阅读说明：本技术 坚果种植使用活性腐植酸复合肥、有机肥的施肥方法 (Fertilizing method for using active humic acid compound fertilizer and organic fertilizer for nut planting ) 是由 王守全 于 2020-06-10 设计创作，主要内容包括：本发明公开了坚果种植使用活性腐植酸复合肥、有机肥的施肥方法,包括如下步骤：S1、分组：将坚果树按照年份分为大树、中树和幼树,并对大树、中树和幼树进行分类施肥；S2、第一次追肥时间：每年2月份至4月份之间；S3、第一次施肥品种：活性腐植酸复合肥16-6-28+TE、活性腐植酸复合肥30-9-9+TE或32-8-8+TE、腐植酸有机肥。本发明通过分阶段分批次合理的对大树、中树和幼树分别施加适量的活性腐植酸复合肥和活性腐殖酸有机肥,可有效促进非丰产期中树和幼树的营养生长,并为中树和幼树进入丰产期做好营养准备,同时可以提到挂果树的坚果挂果率,提高作物产量和品质。(The invention discloses a fertilizing method of active humic acid compound fertilizer and organic fertilizer for nut planting, which comprises the following steps: s1, grouping: dividing the nut trees into big trees, middle trees and young trees according to the year, and performing classified fertilization on the big trees, the middle trees and the young trees; s2, first topdressing time: between 2 months and 4 months per year; s3, first fertilization of variety: 16-6-28+ TE of active humic acid compound fertilizer, 30-9-9+ TE or 32-8-8+ TE of active humic acid compound fertilizer and humic acid organic fertilizer. According to the invention, by reasonably applying a proper amount of active humic acid compound fertilizer and active humic acid organic fertilizer to the big trees, the middle trees and the young trees in batches by stages, the vegetative growth of the trees and the young trees in the non-productive period can be effectively promoted, the middle trees and the young trees are prepared for nutrition in the productive period, the nut bearing rate of bearing fruit trees can be increased, and the yield and the quality of crops can be improved.)

1. The fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for nut planting is characterized by comprising the following steps:

s1, grouping: dividing the nut trees into big trees, middle trees and young trees according to the year, and performing classified fertilization on the big trees, the middle trees and the young trees;

s2, first topdressing time: between 2 months and 4 months per year;

s3, first fertilization of variety: 16-6-28+ TE of active humic acid compound fertilizer, 30-9-9+ TE or 32-8-8+ TE of active humic acid compound fertilizer and humic acid organic fertilizer;

s4, fertilizing the first time: 30-0.5 Kg of active humic acid compound fertilizer per plant and 0.5-4 Kg of humic acid organic fertilizer per plant are added;

s5, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s6, secondary topdressing time: between 5 months and 8 months per year;

s7, fertilizing for the second time: 16-6-28+ TE of active humic acid compound fertilizer, 30-9-9+ TE or 32-8-8+ TE of active humic acid compound fertilizer;

s8, fertilizing for the second time: 30g to 0.5Kg per plant;

s9, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s10, fertilizing time of base fertilizer: 9 months to 11 months per year;

s11, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s12, fertilizing amount of base fertilizer: applying 80g-1Kg of active humic acid compound fertilizer 16-16-16+ TE per plant and adding 0.5Kg-4Kg of humic acid organic fertilizer per plant;

s13, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

2. The fertilizing method for planting nuts using active humic acid compound fertilizer and organic fertilizer as claimed in claim 1, wherein when grouping in S1, the bearing trees are big trees, and when fertilizing, the high potassium is mainly used, so as to improve the bearing rate of nuts; the fertilizer is divided into medium trees and young trees for more than 3 years before bearing fruits, the medium trees and the young trees are mainly high-nitrogen when being fertilized, and the rapid growth of the fruit trees is promoted.

3. The fertilizing method for planting nuts by using active humic acid compound fertilizer and organic fertilizer as claimed in claim 1, characterized in that in S2 and S3, the first fertilizing time of big trees is 2 months to 3 months per year, and the fertilizing varieties are active humic acid compound fertilizer 16-6-28+ TE and humic acid organic fertilizer; the first fertilization time of the medium tree is 3 months later per year, and the fertilization varieties are active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE and humic acid organic fertilizer; the first fertilization time of the saplings is 3 months to 4 months per year, and the fertilization varieties are active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE and humic acid organic fertilizer.

4. The fertilizing method for planting nuts by using active humic acid compound fertilizer and organic fertilizer as claimed in claim 1, characterized in that in S4, the first fertilizing amount of big trees is 0.3Kg-0.5Kg of active humic acid compound fertilizer per plant and 2Kg-4Kg of humic acid organic fertilizer per plant is added; the first fertilizing amount of the middle tree is 0.3Kg to 0.5Kg of active humic acid compound fertilizer per plant and 1Kg to 3Kg of humic acid organic fertilizer per plant; the first fertilizing amount of the young trees is 30g-50g of active humic acid compound fertilizer per plant, and 0.5Kg-1Kg of humic acid organic fertilizer per plant is added.

5. The fertilizing method for planting nuts by using active humic acid compound fertilizer and organic fertilizer as claimed in claim 1, wherein in S7 with S6 good, the second fertilizing time of big trees is 5 months per year, and the fertilizing variety is active humic acid compound fertilizer 16-6-28+ TE; the second fertilization time of the medium tree is 6 late ten days of each year, and the fertilization variety is active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE; the second fertilization time of the saplings is 7 months to 8 months per year, and the fertilization variety is active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE.

6. The fertilizing method for planting nuts by using an active humic acid compound fertilizer and an organic fertilizer as claimed in claim 1, wherein in S8, the second fertilizing amount of the big tree is 0.3Kg-0.5Kg per plant of the active humic acid compound fertilizer; the second fertilizing amount of the medium tree is 0.3Kg-0.5Kg of active humic acid compound fertilizer per plant; the second fertilizing amount of the saplings is 30g-50g of active humic acid compound fertilizer per plant.

7. The fertilizing method for planting nuts by using active humic acid compound fertilizer and organic fertilizer according to claim 1, characterized in that in S10 and S11, the fertilizing time of the base fertilizer is as follows: the big tree is 9 months to 11 months per year; the middle tree is 10 months to 11 months per year; the saplings are 10 months to 11 months per year; base fertilizer application variety: the big tree, the middle tree and the young tree are respectively an active humic acid compound fertilizer of 16-16-16+ TE and a humic acid organic fertilizer.

8. The fertilizing method for using the active humic acid compound fertilizer and the organic fertilizer for nut planting according to claim 1, characterized in that in S12, the fertilizing amount of the base fertilizer of the big tree is 0.5Kg to 1Kg per plant of the active humic acid compound fertilizer 16-16-16+ TE, and 2Kg to 4Kg per plant of the humic acid organic fertilizer is added; the fertilizing amount of the medium tree base fertilizer is that 0.5Kg to 0.8Kg per plant of active humic acid compound fertilizer 16-16-16+ TE is applied and 1Kg to 3Kg per plant of humic acid organic fertilizer is added; the base fertilizer application amount of the saplings is 80-150 g/plant of active humic acid compound fertilizer 16-16-16+ TE application and 0.5-1 Kg/plant of humic acid organic fertilizer.

Technical Field

The invention relates to the technical field of nut planting, in particular to a fertilizing method for applying an active humic acid compound fertilizer and an organic fertilizer to nut planting.

Background

Active humic acid is a high-efficiency nutrient loss control agent of a chemical fertilizer, is a technology developed by Shanxi coal chemical research institute of Chinese academy of sciences, and has the following principle: 1) humic acid is a macromolecular hydroxycarboxylic acid substance, has the capabilities of adsorbing, complexing and crosslinking fertilizer components so as to control the release speed of nutrient elements (molecules or ions) and reduce nutrient loss and fixation; 2) humic acid is a colloidal substance and has strong adhesion and peptization performances, so that humic acid colloid can be wrapped around fertilizer particles, a porous coating is formed around the fertilizer particles after drying, fertilizer nutrients are slowly released in soil, and the fertilizer effect period is prolonged; -O- (phenolic group)) humic acids, the carboxyl group of which is containing exchangeable H ions, and the latter being containing monovalent cations (monovalent salts of humic acids). The active humic acid fertilizer can react with cations or organic ions with more than two valences for ion exchange, oxidation reduction, adsorption, complexation, chelation, crosslinking and the like, has the effects of improving and repairing soil and improving the quality of agricultural products, and researches show that the active humic acid fertilizer has the obvious effects of rooting, vigorous leaves, quality improvement, stress resistance, yield increase and the like which are unique to humic acid substances, also contains active antibacterial polypeptide, has the functions of selective immune activation and regulation, and has high killing capacity on pathogenic bacteria and pathogenic bacteria of plants.

The nuts need to be fertilized in the planting process, but the existing fertilizing method is not scientific enough and is easy to cause an excessive fertilizing phenomenon, so that the growth and the quality of the nuts are influenced, and therefore, finding an accurate and efficient fertilizing method is very important for nut planting.

Disclosure of Invention

The invention aims to provide a fertilizing method for planting nuts by using an active humic acid compound fertilizer and an organic fertilizer, which aims to solve the problems that the existing fertilizing method is not scientific enough and easily causes an excessive fertilizing phenomenon, so that the growth and the quality of the nuts are influenced, and the nuts need to be fertilized in the planting process.

In order to achieve the purpose, the invention provides the following technical scheme: the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for nut planting comprises the following steps:

s1, grouping: dividing the nut trees into big trees, middle trees and young trees according to the year, and performing classified fertilization on the big trees, the middle trees and the young trees;

s2, first topdressing time: between 2 months and 4 months per year;

s3, first fertilization of variety: 16-6-28+ TE of active humic acid compound fertilizer, 30-9-9+ TE or 32-8-8+ TE of active humic acid compound fertilizer and humic acid organic fertilizer;

s4, fertilizing the first time: 30-0.5 Kg of active humic acid compound fertilizer per plant and 0.5-4 Kg of humic acid organic fertilizer per plant are added;

s5, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s6, secondary topdressing time: between 5 months and 8 months per year;

s7, fertilizing for the second time: 16-6-28+ TE of active humic acid compound fertilizer, 30-9-9+ TE or 32-8-8+ TE of active humic acid compound fertilizer;

s8, fertilizing for the second time: 30g to 0.5Kg per plant;

s9, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s10, fertilizing time of base fertilizer: 9 months to 11 months per year;

s11, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE, humic acid organic fertilizer:

s12, fertilizing amount of base fertilizer: applying 80g-1Kg of active humic acid compound fertilizer 16-16-16+ TE per plant and adding 0.5Kg-4Kg of humic acid organic fertilizer per plant;

s13, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

Preferably, when the fruits are grouped in S1, the fruit bearing trees are big trees, and high potassium is mainly used for fertilizing, so that the fruit bearing rate of the nuts is improved; the fertilizer is divided into medium trees and young trees for more than 3 years before bearing fruits, the medium trees and the young trees are mainly high-nitrogen when being fertilized, and the rapid growth of the fruit trees is promoted.

Preferably, in S2 and S3, the first fertilization time of the big tree is 2 months to 3 months per year, and the fertilization varieties are active humic acid compound fertilizer 16-6-28+ TE and humic acid organic fertilizer; the first fertilization time of the medium tree is 3 months later per year, and the fertilization varieties are active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE and humic acid organic fertilizer; the first fertilization time of the saplings is 3 months to 4 months per year, and the fertilization varieties are active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE and humic acid organic fertilizer.

Preferably, in S4, the first fertilizing amount of the big tree is 0.3Kg to 0.5Kg of active humic acid compound fertilizer per plant, and 2Kg to 4Kg of humic acid organic fertilizer per plant is added; the first fertilizing amount of the middle tree is 0.3Kg to 0.5Kg of active humic acid compound fertilizer per plant and 1Kg to 3Kg of humic acid organic fertilizer per plant; the first fertilizing amount of the young trees is 30g-50g of active humic acid compound fertilizer per plant, and 0.5Kg-1Kg of humic acid organic fertilizer per plant is added.

Preferably, in S6 and S7, the second fertilization time of the big trees is 5 months per year, and the fertilization variety is active humic acid compound fertilizer 16-6-28+ TE; the second fertilization time of the medium tree is 6 late ten days of each year, and the fertilization variety is active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE; the second fertilization time of the saplings is 7 months to 8 months per year, and the fertilization variety is active humic acid compound fertilizer 30-9-9+ TE or 32-8-8+ TE.

Preferably, in S8, the second fertilizing amount of the big tree is 0.3Kg-0.5Kg of active humic acid compound fertilizer per plant; the second fertilizing amount of the medium tree is 0.3Kg-0.5Kg of active humic acid compound fertilizer per plant; the second fertilizing amount of the saplings is 30g-50g of active humic acid compound fertilizer per plant.

Preferably, in S10 and S11, the fertilization time of the base fertilizer is as follows: the big tree is 9 months to 11 months per year; the middle tree is 10 months to 11 months per year; the saplings are 10 months to 11 months per year; base fertilizer application variety: the big tree, the middle tree and the young tree are respectively an active humic acid compound fertilizer of 16-16-16+ TE and a humic acid organic fertilizer.

Preferably, in S12, the fertilizing amount of the base fertilizer of the big tree is 0.5Kg to 1Kg per plant of the active humic acid compound fertilizer 16-16-16+ TE, and 2Kg to 4Kg per plant of the humic acid organic fertilizer is added; the fertilizing amount of the medium tree base fertilizer is that 0.5Kg to 0.8Kg per plant of active humic acid compound fertilizer 16-16-16+ TE is applied and 1Kg to 3Kg per plant of humic acid organic fertilizer is added; the base fertilizer application amount of the saplings is 80-150 g/plant of active humic acid compound fertilizer 16-16-16+ TE application and 0.5-1 Kg/plant of humic acid organic fertilizer.

The invention provides a fertilizing method of an active humic acid compound fertilizer and an organic fertilizer for nut planting, which has the following beneficial effects:

according to the invention, by reasonably applying a proper amount of the active humic acid compound fertilizer and the active humic acid organic fertilizer to the big trees, the middle trees and the young trees in batches by stages, the nutritional growth of the trees and the young trees in a non-productive period can be effectively promoted, nutritional preparation is made for the middle trees and the young trees to enter a productive period, the nut bearing rate of bearing fruit trees can be increased, the yield and the quality of crops are improved, the requirement of the nut trees on nutrients is highly matched with the supply of the fertilizer, and the high efficiency of the nut trees on the nutrient absorption of the fertilizer and the contribution rate of the fertilizer to the yield of the nut trees are improved.

Detailed Description

Example 1:

the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for the planting of the macadamia nut trees comprises the following steps:

s1, first topdressing time: month 2 per year;

s2, first fertilization of variety: active humic acid compound fertilizer 16-6-28+ TE and humic acid organic fertilizer;

s3, fertilizing the first time: 0.3Kg of active humic acid compound fertilizer per plant and 2Kg of humic acid organic fertilizer per plant are added;

s4, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s5, secondary topdressing time: 5 months per year;

s6, fertilizing for the second time: active humic acid compound fertilizer 16-6-28+ TE;

s7, fertilizing for the second time: 0.3Kg per plant;

s8, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s9, fertilizing time of base fertilizer: 9 months per year;

s10, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s11, fertilizing amount of base fertilizer: applying 0.6Kg per plant of active humic acid compound fertilizer 16-16-16+ TE and adding 2Kg per plant of humic acid organic fertilizer;

s12, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

Example 2:

the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for the planting of the macadamia nut trees comprises the following steps:

s1, first topdressing time: 3 months per year;

s2, first fertilization of variety: active humic acid compound fertilizer 16-6-28+ TE and humic acid organic fertilizer;

s3, fertilizing the first time: 0.5Kg of active humic acid compound fertilizer per plant and 4Kg of humic acid organic fertilizer per plant are added;

s4, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s5, secondary topdressing time: 5 months per year;

s6, fertilizing for the second time: active humic acid compound fertilizer 16-6-28+ TE;

s7, fertilizing for the second time: 0.5Kg per plant;

s8, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s9, fertilizing time of base fertilizer: 10 months per year;

s10, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s11, fertilizing amount of base fertilizer: applying 1Kg of active humic acid compound fertilizer 16-16-16+ TE per plant and adding 4Kg of humic acid organic fertilizer per plant;

s12, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

Example 3:

the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for planting the medium nut trees comprises the following steps:

s1, first topdressing time: 3 last ten days of the year;

s2, first fertilization of variety: 30-9-9+ TE of active humic acid compound fertilizer and humic acid organic fertilizer;

s3, fertilizing the first time: 0.3Kg of active humic acid compound fertilizer per plant and 1.5Kg of humic acid organic fertilizer per plant are added;

s4, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s5, secondary topdressing time: 6 last ten days of the year;

s6, fertilizing for the second time: active humic acid compound fertilizer 30-9-9+ TE;

s7, fertilizing for the second time: 0.3Kg per plant;

s8, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s9, fertilizing time of base fertilizer: 10 months per year;

s10, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s11, fertilizing amount of base fertilizer: applying 0.6Kg per plant of active humic acid compound fertilizer 16-16-16+ TE and adding 1.5Kg per plant of humic acid organic fertilizer;

s12, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

Example 4:

the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for planting the medium nut trees comprises the following steps:

s1, first topdressing time: 3 last ten days of the year;

s2, first fertilization of variety: active humic acid compound fertilizer 32-8-8+ TE and humic acid organic fertilizer;

s3, fertilizing the first time: 0.5Kg of active humic acid compound fertilizer per plant and 3Kg of humic acid organic fertilizer per plant are added;

s4, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s5, secondary topdressing time: 6 last ten days per year;

s6, fertilizing for the second time: active humic acid compound fertilizer 32-8-8+ TE;

s7, fertilizing for the second time: 0.5Kg per plant;

s8, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s9, fertilizing time of base fertilizer: 11 months per year;

s10, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s11, fertilizing amount of base fertilizer: applying 0.8Kg of active humic acid compound fertilizer 16-16-16+ TE per plant and adding 3Kg of humic acid organic fertilizer per plant;

s12, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

Example 5:

the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for the young nut tree planting comprises the following steps:

s1, first topdressing time: 3 months per year;

s2, first fertilization of variety: 30-9-9+ TE of active humic acid compound fertilizer and humic acid organic fertilizer;

s3, fertilizing the first time: 35g of active humic acid compound fertilizer per plant and 0.6Kg of humic acid organic fertilizer per plant;

s4, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s5, secondary topdressing time: 7 months per year;

s6, fertilizing for the second time: active humic acid compound fertilizer 30-9-9+ TE;

s7, fertilizing for the second time: 35g per plant;

s8, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s9, fertilizing time of base fertilizer: 10 months per year;

s10, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s11, fertilizing amount of base fertilizer: applying active humic acid compound fertilizer 16-16-16+ TE to 100 g/plant and adding humic acid organic fertilizer 0.6 Kg/plant;

s12, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

Example 6:

the fertilizing method of the active humic acid compound fertilizer and the organic fertilizer for the young nut tree planting comprises the following steps:

s1, first topdressing time: month 4 per year;

s2, first fertilization of variety: active humic acid compound fertilizer 32-8-8+ TE and humic acid organic fertilizer;

s3, fertilizing the first time: 50 g/plant of active humic acid compound fertilizer and 1 Kg/plant of humic acid organic fertilizer are added;

s4, a first fertilization method: mixing the active humic acid compound fertilizer with the humic acid organic fertilizer, and then applying fertilizer by adopting a hole application method;

s5, secondary topdressing time: 8 months per year;

s6, fertilizing for the second time: active humic acid compound fertilizer 32-8-8+ TE;

s7, fertilizing for the second time: 50g per plant;

s8, a second fertilization method: fertilizing by adopting a broadcasting or hole application method;

s9, fertilizing time of base fertilizer: 11 months per year;

s10, base fertilizer application variety: active humic acid compound fertilizer 16-16-16+ TE and humic acid organic fertilizer;

s11, fertilizing amount of base fertilizer: applying 140 g/plant of active humic acid compound fertilizer 16-16-16+ TE and adding 1 Kg/plant of humic acid organic fertilizer;

s12, a fertilizing method: mixing the active humic acid compound fertilizer and the humic acid organic fertilizer, and then applying the fertilizer by a furrow application method.

In summary, the following steps:

according to the invention, by applying appropriate amounts of the active humic acid compound fertilizer and the active humic acid organic fertilizer to the big trees, the middle trees and the young trees at different time periods respectively, a scientific and reasonable fertilization method is adopted, the nutritional growth of the trees and the young trees in the non-high-yield period is effectively promoted, nutritional preparation is made for the middle trees and the young trees in the high-yield period, the nut-bearing rate of bearing fruit trees can be increased, the crop yield and quality are improved, the high coincidence of the nutrient demand of the nut trees and the fertilizer supply quantity is achieved, and the high efficiency of the nut trees on fertilizer nutrient absorption and the contribution rate of the fertilizer on the nut tree yield are improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.