阅读说明：本技术 一种桉树专用长效缓释肥 (Special long-acting slow-release fertilizer for eucalyptus ) 是由 田军 王晓华 刘鸿 冯学宁 黄明彩 伍明凤 刘陈晨 周立 于 2019-11-27 设计创作，主要内容包括：本发明涉及一种桉树专用长效缓释肥,属于肥料生产及应用技术领域,按重量百分比计,该桉树专用长效缓释肥的有效成分由以下组分组成：氮15-20％,五氧化二磷8-12％,氧化钾10-15％,镁0.08％,硼0.05％,锌0.08％,三氯甲基吡啶0.025％,正丁基硫代磷酰三胺0.02％,脲甲醛2％,双飞粉0.855-10.155％。该肥是在我国西南及华南桉树种植区的种植管理模式、土壤养分特点和桉树需肥特性的基础上研发。该肥除了含有桉树生长必须的氮、磷、钾大量元素外,还添加了镁、硼、锌中微量元素,此外该肥还含有硝化抑制剂和脲酶抑制剂,用于抑制肥料中氮元素流失,具有缓释控释、延长肥效、提高肥料利用率的特性。(The invention relates to a special long-acting slow-release fertilizer for eucalyptus, which belongs to the technical field of fertilizer production and application, and comprises the following effective components in percentage by weight: 15-20% of nitrogen, 8-12% of phosphorus pentoxide, 10-15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 0.855-10.155% of double flying powder. The fertilizer is developed on the basis of planting management modes, soil nutrient characteristics and eucalyptus fertilizer requirement characteristics of eucalyptus planting areas in southwest and south China. The fertilizer contains major elements of nitrogen, phosphorus and potassium necessary for the growth of eucalyptus, and trace elements of magnesium, boron and zinc, and also contains a nitrification inhibitor and a urease inhibitor, is used for inhibiting the loss of nitrogen elements in the fertilizer, and has the characteristics of slow release and controlled release, fertilizer efficiency prolonging and fertilizer utilization rate improving.)

1. The special long-acting slow-release fertilizer for eucalyptus is characterized in that the effective components of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 15-20% of nitrogen, 8-12% of phosphorus pentoxide, 10-15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 0.855-10.155% of double flying powder.

2. The special long-acting slow-release fertilizer for eucalyptus according to claim 1, wherein the effective components of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 15% of nitrogen, 8% of phosphorus pentoxide, 15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 10.155% of double flying powder.

3. The special long-acting slow-release fertilizer for eucalyptus according to claim 1, wherein the effective components of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 17% of nitrogen, 10% of phosphorus pentoxide, 13% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 4.905% of double flying powder.

4. The special long-acting slow-release fertilizer for eucalyptus according to claim 1, wherein the effective components of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 17% of nitrogen, 12% of phosphorus pentoxide, 10% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 6.305% of double flying powder.

5. The special long-acting slow-release fertilizer for eucalyptus according to claim 1, wherein the effective components of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 20% of nitrogen, 8% of phosphorus pentoxide, 10% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 5.005% of double flying powder.

6. The special long-acting slow-release fertilizer for eucalyptus according to claim 1, wherein the effective components of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 20% of nitrogen, 8% of phosphorus pentoxide, 15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoric triamide, 2% of urea formaldehyde and 0.855% of double flying powder.

7. The special long-acting slow-release fertilizer for eucalyptus as claimed in any one of claims 1 to 6, wherein the raw materials of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 31.5-40.0% of ammonium chloride, 9.4-22% of urea, 16.8-25.2% of monoammonium phosphate, 16.8-25.05% of potassium chloride, 0.9% of magnesium sulfate, 0.45% of boric acid, 0.4% of zinc sulfate, 0.025% of trichloromethylpyridine, 0.02% of n-butyl thiophosphoric triamide, 2% of urea formaldehyde and 0.855-10.155% of double flying powder.

8. The special long-acting slow-release fertilizer for eucalyptus as claimed in claim 7, wherein the content of available nitrogen in the ammonium chloride is 25 wt%; the effective nitrogen content in the urea is 46.4 wt%; the content of available nitrogen in the monoammonium phosphate is 12 wt%, and the content of available phosphorus in the monoammonium phosphate is 48 wt%.

9. The special long-acting slow-release fertilizer for eucalyptus as claimed in claim 7, wherein potassium oxide content in the potassium chloride is 60 wt%; the boron content in the boric acid is 11 wt%.

10. The special long-acting slow-release fertilizer for eucalyptus as claimed in claim 7, wherein the magnesium sulfate is magnesium sulfate heptahydrate, and the content of magnesium in the magnesium sulfate heptahydrate is 9 wt%; the zinc sulfate is heptahydrate, and the content of zinc in the heptahydrate zinc sulfate is 20 wt%.

Technical Field

The invention belongs to the technical field of fertilizer production and application, and particularly relates to a special long-acting slow-release fertilizer for eucalyptus.

Background

Eucalyptus, originating in australia, is a generic name for the tree species of the genus eucalyptus of the family myrtaceae. The eucalyptus has the excellent characteristics of short growth cycle, wide adaptability, strong stress resistance and straight stem shape, and is an important strategic tree species of forestation materials in southern China. At present, the planting area of eucalyptus in China exceeds 350 kilohm²The planting area is second only to india and brazil and third in the world.

The eucalyptus tree has a large growth amount and a short felling period, and a large amount of mineral nutrient elements need to be absorbed and consumed from soil during the growth period, so that the fertilizer suitable for the growth of the eucalyptus trees is selected, the growth of the eucalyptus trees can be obviously promoted, the yield of the eucalyptus trees is improved, the soil fertility of eucalyptus forest lands can be prevented from declining to a certain extent, and therefore, the effective maintenance and management of the eucalyptus forest is closely related to the economic value of the eucalyptus trees.

At present, the current fertilization situation of the artificial eucalyptus forest management in China has a great problem, for example, the soil fertility is degraded due to long-term use of a single chemical fertilizer; the fertilizer has low utilization rate, and serious environmental pollution and ecological damage are caused by serious nutrient loss. Therefore, the research and development of the special compound fertilizer for eucalyptus, which enables the growth effect of eucalyptus to reach the best, and the improvement of the utilization rate of the fertilizer have important significance for the management of eucalyptus forests.

Disclosure of Invention

In view of the above, the invention provides the special long-acting slow-release fertilizer for eucalyptus according to the planting management mode, the soil nutrient characteristics and the fertilizer requirement characteristics of eucalyptus in southwest and south China, and the fertilizer has the effects of slow release and controlled release, fertilizer efficiency prolonging and fertilizer utilization rate increasing.

In order to achieve the purpose, the invention provides the following technical scheme:

the long-acting slow-release fertilizer special for eucalyptus comprises the following effective components in percentage by weight: 15-20% of nitrogen, 8-12% of phosphorus pentoxide, 10-15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 0.855-10.155% of double flying powder.

Preferably, the active ingredients of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 15% of nitrogen, 8% of phosphorus pentoxide, 15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 10.155% of double flying powder.

Preferably, the active ingredients of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 17% of nitrogen, 10% of phosphorus pentoxide, 13% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 4.905% of double flying powder.

Preferably, the active ingredients of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 17% of nitrogen, 12% of phosphorus pentoxide, 10% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 6.305% of double flying powder.

Preferably, the active ingredients of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 20% of nitrogen, 8% of phosphorus pentoxide, 10% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoryl triamide, 2% of urea formaldehyde and 5.005% of double flying powder.

Preferably, the active ingredients of the special long-acting slow-release fertilizer for eucalyptus comprise the following components in percentage by weight: 20% of nitrogen, 8% of phosphorus pentoxide, 15% of potassium oxide, 0.08% of magnesium, 0.05% of boron, 0.08% of zinc, 0.025% of trichloromethyl pyridine, 0.02% of n-butyl thiophosphoric triamide, 2% of urea formaldehyde and 0.855% of double flying powder.

Preferably, the eucalyptus special long-acting slow release fertilizer comprises the following raw materials in percentage by weight: 31.5-40.0% of ammonium chloride, 9.4-22% of urea, 16.8-25.2% of monoammonium phosphate, 16.8-25.05% of potassium chloride, 0.9% of magnesium sulfate, 0.45% of boric acid, 0.4% of zinc sulfate, 0.025% of trichloromethylpyridine, 0.02% of n-butyl thiophosphoric triamide, 2% of urea formaldehyde and 0.855-10.155% of double flying powder.

Preferably, the content of available nitrogen in the ammonium chloride is 25 wt%; the effective nitrogen content in the urea is 46.4 wt%; the content of available nitrogen in the monoammonium phosphate is 12 wt%, and the content of available phosphorus in the monoammonium phosphate is 48 wt%.

Preferably, the potassium oxide content in the potassium chloride is 60 wt%; the boron content in the boric acid is 11 wt%.

Preferably, the magnesium sulfate is magnesium sulfate heptahydrate, and the content of magnesium in the magnesium sulfate heptahydrate is 9 wt%; the zinc sulfate is heptahydrate, and the content of zinc in the heptahydrate zinc sulfate is 20 wt%.

The invention has the beneficial effects that: the invention provides a special long-acting slow-release fertilizer for eucalyptus, which is developed according to a planting management mode, soil nutrient characteristics and eucalyptus fertilizer requirement characteristics of eucalyptus planting areas in the southwest and south China, the special long-acting slow-release fertilizer for eucalyptus contains major elements of nitrogen, phosphorus and potassium necessary for eucalyptus, and trace elements in magnesium, boron and zinc, and further contains a nitrification inhibitor (trichloromethylpyridine) and a urease inhibitor (n-butyl thiophosphoryl triamide), can be used for inhibiting nitrogen nutrient loss, and has the characteristics of slow release, controlled release and improvement of fertilizer utilization rate. Experiments show that compared with the common compound fertilizer, after the long-acting slow-release fertilizer special for eucalyptus is applied to eucalyptus seedlings for 1 year, the breast diameter, the plant height, the single-plant accumulated wood and the economic benefits of the forest land per hectare are respectively improved by 51.2%, 31.7%, 65.3% and 65.3%. Compared with the common compound fertilizer, the soil total nitrogen and cracked nitrogen contents of the fertilizer at 50 days, 100 days, 150 days and 200 days after the fertilizer is applied are 8.6 percent, 9.8 percent, 9.0 percent, 8.9 percent, 36.7 percent, 27.1 percent, 81.3 percent and 94.9 percent higher than those of the soil treated by the common compound fertilizer, so that the special long-acting slow-release fertilizer for eucalyptus is obviously superior to the common compound fertilizer for inhibiting the loss of nitrogen nutrients, has an obvious long-acting slow-release function, and particularly has a more obvious long-acting slow-release effect after 150 days after the fertilizer is applied.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.