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Straw biochar based pot cultivation media and system for vegetables

A technology of straw biology and cultivation substrate, which is applied in the field of agriculture, can solve the problems of lack of vegetable growth and development characteristics and demand for cultivation substrate, and achieve the effects of benefiting crop root development, reducing soil bulk density, and alleviating soil nutrient loss

Pending Publication Date: 2019-08-16
SHENYANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing biochar-based substrates are directly used after mixing different components evenly, and there is a lack of cultivation substrates that match the growth and development characteristics and needs of vegetables at different growth stages.

Method used

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  • Straw biochar based pot cultivation media and system for vegetables
  • Straw biochar based pot cultivation media and system for vegetables
  • Straw biochar based pot cultivation media and system for vegetables

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A straw biochar-based vegetable pot cultivation substrate, in which four layers of different substrates are sequentially laid from bottom to top, in terms of volume fraction, specifically including: 40% of the substrate layer, 20% of the organic fertilizer layer, 25% of the root-promoting layer, and a seed bed layer 15%; wherein, the matrix layer is composed of modified straw biochar, river mud and long-acting nitrogen fertilizer with a mass ratio of 4:15:1; the organic fertilizer layer is composed of decomposed straw, organic fertilizer and fine nitrogen fertilizer with a mass ratio of 1:6:3 The root layer is composed of modified straw biochar, compound fertilizer and kaolin with a mass ratio of 2:3:5; the seed bed layer is composed of peat, vermiculite and perlite with a mass ratio of 8:1:1.

[0039] The preparation method of the modified straw biochar used in embodiment 1 comprises the following steps:

[0040] (1) Take crop stalks, air-dry them and crush them into 3...

Embodiment 2

[0046] A straw biochar-based vegetable pot cultivation substrate, in which four layers of different substrates are sequentially laid from bottom to top, in terms of volume fraction, specifically including: 25% of the substrate layer, 25% of the organic fertilizer layer, 30% of the root-promoting layer, and the seed bed layer 20%; wherein, the substrate layer is composed of modified straw biochar, river mud and long-acting nitrogen fertilizer with a mass ratio of 4:15:1; the organic fertilizer layer is composed of decomposed straw, organic fertilizer and fine nitrogen fertilizer with a mass ratio of 1:6:3 The root layer is composed of modified straw biochar, compound fertilizer and kaolin with a mass ratio of 2:3:5; the seed bed layer is composed of peat, vermiculite and perlite with a mass ratio of 8:1:1.

[0047]The preparation method of the modified straw biochar used in embodiment 2 comprises the following steps:

[0048] (1) Take crop stalks, air-dry them and crush them in...

Embodiment 3

[0054] A straw biochar-based vegetable pot cultivation substrate, in which four layers of different substrates are successively laid from bottom to top, in terms of volume fraction, specifically including: substrate layer 55%, organic fertilizer layer 15%, root-promoting layer 20%, seed bed Layer 10%; Among them, the substrate layer is composed of modified straw biochar, river mud and long-acting nitrogen fertilizer with a mass ratio of 4:15:1; the organic fertilizer layer is composed of decomposed straw, organic fertilizer and fine nitrogen fertilizer with a mass ratio of 1:6:3 The root layer is composed of modified straw biochar, compound fertilizer and kaolin with a mass ratio of 2:3:5; the seed bed layer is composed of peat, vermiculite and perlite with a mass ratio of 8:1:1.

[0055] The preparation method of the modified straw biochar used in embodiment 3 comprises the following steps:

[0056] (1) Take crop stalks, air-dry them and crush them into 3-5cm segments;

[00...

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Abstract

The invention discloses straw biochar based pot cultivation media and system for vegetables, and belongs to the technical field of agriculture. Four layers of different media are laid from bottom to top in sequence and specifically comprise a medium layer, an organic fertilizer layer, a root promoting layer and a seedbed layer, wherein the medium layer comprises modified straw biochar, river mud and / or long-acting nitrogen fertilizer; the organic fertilizer layer comprises rotten straw, organic fertilizer and / or fine river sand; the root promoting layer comprises modified straw biochar, composite fertilizer and / or kaolin; the seedbed layer comprises peat, vermiculite and / or perlite. The raw material composition is rich, functions are matched with physiological properties of crop cultivation, the cultivation media are prepared by layers according to nutrient requirements and physiological development characteristics of crops, soil physical and chemical properties of different root layers can be controlled, nutrient preparation meets the crop growth laws, root development of the crops is facilitated, nutrient absorption of different growth and development periods is regulated scientifically, and integrated and simple management of seedling culture and cultivation is realized.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a straw biochar-based vegetable pot cultivation substrate and a system thereof. Background technique [0002] At present, most of the substrates used for vegetable cultivation are based on peat or peat. In recent years, soil improvement and fertilization technologies centered on biochar have emerged widely. Based on the excellent characteristics of biochar, it is feasible to use biochar to prepare vegetable seedling substrate, and it can also replace the use of peat or peat to a certain extent, which is of great significance to promote the comprehensive utilization of agricultural waste. At present, biochar is mainly used as the seedling substrate in China, and there are not many studies on the carbon-based cultivation substrate during the whole growth period of vegetables. Most of the existing biochar-based substrates are directly used after mixing different components e...

Claims

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Application Information

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IPC IPC(8): A01G24/46A01G24/28A01G24/22A01G24/15A01G24/12A01G24/10
CPCA01G24/46A01G24/28A01G24/22A01G24/15A01G24/12A01G24/10
Inventor 兰宇王迪杨镜秀孟军杨旭曹殿云王庆阳
Owner SHENYANG AGRI UNIV
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