Rice straw composite substrate suitable for soilless cultivation of vegetables and preparation method of rice straw composite substrate
A technology of rice straw and composite substrate, applied in the field of plant cultivation, can solve the problems of high transportation costs, difficult sources of materials, large investment, etc., and achieve the effect of protecting the ecological environment and saving natural resources
Inactive Publication Date: 2017-05-17
河南省农业科学院园艺研究所
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[0005] Aiming at the problems of relatively large investment in existing soilless culture substrates in my country, difficult material sources, and high transportation costs, the present invention provides a composite substrate suitable for soilless cultivation of vegetables using rice straw as raw material. The optimal rice straw organic composite matrix formula was screened out based on the effects of treatment, matrix optimization ratio, physical and chemical properties regulation, and matrix formula on the growth and development of vegetables.
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[0022] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0023] The rice straw composite matrix suitable for vegetable soilless cultivation includes rice straw and river sand, wherein rice straw is 8 parts by volume and river sand is 2 parts by volume.
[0024] The preparation method of the rice straw composite matrix includes: pulverizing, using a pulverizer to crush the rice straw into particles with a particle size of 0.1-0.5 cm, so as to facilitate subsequent stacking and decomposing; Water, adding 0.5-0.8% urea in the water to adjust the carbon-nitrogen ratio; adding solution, pouring the configured solution into the granular rice straw, so that the water content of the rice straw is 65%. When the rice straw is suitable for decomposing; for stacking, the rice straw is piled into stacks with a width of 2 meters and a height of 1.5 to 1.6 meters, and is tightly sealed with a plastic film; when the ...
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The invention discloses a rice straw composite substrate suitable for the soilless cultivation of vegetables and a preparation method of the rice straw composite substrate. The rice straw composite substrate is prepared from, by volume, 8 parts of rice straw and 2 parts of river sand. All indexes of the rice straw composite substrate meet the requirement of vegetable growth and development, and the soilless cultivation substrate standard is reached. Organic ingredients are about 80%, and the service life of the rice straw composite substrate is 2 to 5 years or longer; the cost of the rice straw composite substrate is reduced by 60-80% compared with that of a normal substrate, for example, the cost of the rice straw composite substrate is reduced by 80% compared with that of rock wool, by 75% compared with that of vermiculite, by 75% compared with that of coconut shells, by 70% compared with that of turf, and by 60% compared with that of perlite. An effective development way is provided for straw recycling, natural resource conservation and ecological environment protection.
Description
technical field [0001] The invention relates to a rice straw composite substrate suitable for soilless cultivation of vegetables and a preparation method thereof, belonging to the technical field of plant cultivation. Background technique [0002] Substrate cultivation is an important form of soilless cultivation, and now most countries use substrate cultivation for soilless cultivation of fruits and vegetables. At present, rock wool and peat are recognized as ideal cultivation substrates in the world, but rock wool will pollute the environment if it is not degradable after use, and peat resources are limited and cannot be regenerated in a short period of time. Therefore, it is necessary to develop a wide range of sources and good environmental protection. matrix. [0003] According to the report of the United Nations Environment Program: the crops planted in the world can provide about 2 billion tons of various straws every year. The amount of crop straw resources in my c...
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IPC IPC(8): A01G9/10
CPCA01G24/00
Inventor 王晋华赵肖斌米国全程志芳韩永平史艳艳李晓慧牛屹立
Owner 河南省农业科学院园艺研究所