Method and device for cultivating crops

文档序号:1785131 发布日期:2019-12-06 浏览:18次 中文

阅读说明:本技术 用于栽培作物的方法和装置 (Method and device for cultivating crops ) 是由 杰拉德斯·约翰尼斯·约泽夫·玛丽亚·米尔斯 科尔内利亚·海恩瑞克·帕特洛尼拉·玛丽亚·米尤斯-安本 于 2018-02-06 设计创作,主要内容包括:在用于栽培作物的方法和装置中,栽培发生于至少大体上无日光、气候受调节的栽培空间(10)中。栽培空间在第一侧(1)和相对的第二侧(2)之间延伸,其中作物暴露于来自一组空间上隔开的人造光源(60)的光合成有效辐射。将气流(35)从第一侧向第二侧引导至作物上。人造光源在作物上呈空间分布。如引导气流(35)至作物上的流动方向上所见到的,所述一组光源中的下游光源(60QR)相比位于更上游的光源(60AB)产生更高剂量的光合成有效辐射。(In a method and a device for cultivating crops, cultivation takes place in an at least substantially daylight-free, climate-regulated cultivation space (10). A cultivation space extends between a first side (1) and an opposite second side (2), wherein the crop is exposed to photosynthetic active radiation from a set of spatially separated artificial light sources (60). An air flow (35) is directed onto the crop from the first side to the second side. The artificial light sources are spatially distributed on the crops. As seen in the direction of flow directing the air stream (35) onto the crop, a downstream light source (60QR) of the set of light sources produces a higher dose of photosynthetic active radiation than a light source (60AB) located further upstream.)

1. Method for cultivating a crop in an at least substantially daylight-free, climate-regulated cultivation space extending between a first side and an opposite second side, wherein the crop is exposed to photosynthetically active radiation from a set of spatially separated artificial light sources, and wherein an air flow is directed onto the crop and/or through the crop in a direction from the first side to the second side, characterized in that the set of artificial light sources is spatially distributed over the crop at least in the direction from the first side to the second side, and that the crop is provided with a higher dose of photosynthetically active radiation by a light source located further downstream than by a light source located further upstream in the set of light sources, as seen in the direction of the flow directing the air flow onto the crop.

2. The method as claimed in claim 1, characterized in that the local dose of photosynthetically active radiation to which the crop is subjected is adapted to the local growth rate of the crop and is in particular controlled in a manner proportional thereto.

3. A method according to claim 1 or 2, wherein downstream cultivated products are harvested earlier than upstream cultivated products as seen in the direction of flow of the directed air onto and/or through the crop.

4. A method as claimed in claim 1, 2 or 3, characterized in that a downstream light source is operated with a higher intensity of photosynthetic active radiation than an upstream light source of the set of light sources.

5. The method according to one or more of the preceding claims, characterized in that said air flow is directed onto the crop in an at least substantially laminar flow.

6. The method as claimed in claim 5, characterized in that with the light sources of the set of light sources, in particular by operating the light sources stepwise with increasing intensity of the photosynthetic active radiation, a higher dose of the photosynthetic active radiation is generated stepwise in a plurality of steps in the direction of the gas flow.

7. Apparatus for growing crops, comprising an at least substantially daylight-free, climate-regulated growing space, at least one set of spatially separated artificial light sources for generating and emitting photosynthetically active radiation to which the crop is exposed, the growing space extending between a first side and an opposite second side, and the apparatus for growing crops comprising air flow means for directing an air flow through the growing space in a direction from the first side to the second side, characterized in that the set of artificial light sources is spatially distributed over the growing space at least in the direction from the first side to the second side, and that the light sources located closer to the second side than the light sources located closer to the first side of the set of light sources are capable of and configured to operate with a higher overall dose of photosynthetically active radiation.

8. The apparatus of claim 7, wherein the light source comprises a single optical subassembly operating with variable intensity photosynthetic active radiation.

9. The device as claimed in claim 8, characterized in that each of the optical accessories comprises a plurality of light sources, in particular a plurality of Light Emitting Diodes (LEDs), which are individually or group-wise controllable within the accessory.

10. The device as claimed in claim 7, 8 or 9, characterized in that the gas flow means comprise, on the first side, a chamber wall from which the gas flow leaves as an at least substantially laminar gas flow during operation, and that the gas flow means comprise, on the second side, a chamber wall by which the gas flow is received as an at least substantially laminar gas flow during operation.

11. The apparatus of claim 10, wherein a circulation means is provided to direct the airflow back from the second side and circulate to the first side.

12. The apparatus of claim 11, wherein the circulation means comprises an air treatment device capable of and configured to treat the air flow prior to reintroducing the air flow into the growth space.

13. The apparatus of claim 12, wherein the air treatment device applies at least one of a temperature, a relative air humidity, and a carbon dioxide concentration to the airflow.

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