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A kind of preparation method of cotton straw composite matrix

A technology of cotton stalks and composite substrates, applied in planting substrates, botanical equipment and methods, urea compound fertilizers, etc., can solve the problems of limited vermiculite resources, secondary pollution, non-renewable, etc., to save natural resources and reduce costs Effect

Active Publication Date: 2017-11-21
河南省农业科学院园艺研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Rock wool is non-degradable after use, and a large amount of use will cause secondary pollution to the environment. Vermiculite resources are limited and cannot be regenerated in a short period of time. Excessive mining and use will inevitably exhaust vermiculite resources.

Method used

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  • A kind of preparation method of cotton straw composite matrix
  • A kind of preparation method of cotton straw composite matrix
  • A kind of preparation method of cotton straw composite matrix

Examples

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preparation example Construction

[0042] A kind of cotton stalk composite substrate of the present invention and preparation method thereof, comprises the following steps:

[0043] 1) Cotton straw treatment:

[0044] Crush: Crush the cotton stalks into 0.1-0.5cm sawdust,

[0045] Stirring: add water at 1.8-2.0 times the weight of the straw, and at the same time add 0.5-0.8% urea to adjust the carbon-nitrogen ratio. When the straw is fully mixed and soaked, the water content of the straw can reach 65% (twist the straw by hand , there is water dripping).

[0046] Stacking: stack the straw into a width of 2 meters, a height of 1.5 to 1.6 meters, and the length is not limited, and then seal it tightly with a plastic film.

[0047] Turning and decomposing: In summer, when the temperature is higher than 50°C or once every 7 days, the interval between turning can be extended appropriately in winter, 25-35 days in summer and 60-90 days in winter, the straw will turn black and deteriorate, and the straw fiber will be...

Embodiment 1

[0080] A cotton straw composite substrate and a preparation method thereof, comprising the steps of:

[0081] 1) Cotton straw treatment:

[0082] Crush: Crush the cotton stalks into 0.1-0.5cm sawdust,

[0083] Stirring: add water at 1.8-2.0 times the weight of the straw, and at the same time add 0.5-0.8% urea to adjust the carbon-nitrogen ratio. When the straw is fully mixed and soaked, the water content of the straw can reach 65% (twist the straw by hand , there is water dripping).

[0084] Stacking: stack the straw into a width of 2 meters, a height of 1.5 to 1.6 meters, and the length is not limited, and then seal it tightly with a plastic film.

[0085] Turning and decomposing: In summer, when the temperature is higher than 50°C or once every 7 days, the interval between turning can be extended appropriately in winter, 25-35 days in summer and 60-90 days in winter, the straw will turn black and deteriorate, and the straw fiber will be softened Degraded and decomposed, ...

Embodiment 2

[0096] A cotton straw composite substrate and a preparation method thereof, comprising the steps of:

[0097] 1) Cotton straw treatment:

[0098] Crush: Crush the cotton stalks into 0.1-0.5cm sawdust,

[0099] Stirring: add water at 1.8-2.0 times the weight of the straw, and at the same time add 0.5-0.8% urea to adjust the carbon-nitrogen ratio. When the straw is fully mixed and soaked, the water content of the straw can reach 65% (twist the straw by hand , there is water dripping).

[0100] Stacking: stack the straw into a width of 2 meters, a height of 1.5 to 1.6 meters, and the length is not limited, and then seal it tightly with a plastic film.

[0101] Turning and decomposing: In summer, when the temperature is higher than 50°C or once every 7 days, the interval between turning can be extended appropriately in winter, 25-35 days in summer and 60-90 days in winter, the straw will turn black and deteriorate, and the straw fiber will be softened Degraded and decomposed, ...

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Abstract

The invention discloses a cotton stalk compound substrate and a preparation method thereof. The compound substrate is prepared from, by volume, 7 parts of cotton stalks and 3 parts of river sand. All indexes of the compound medium meet the requirements of vegetable growth and development and reach the soilless culture substrate standard, wherein the organic ingredient content is about 80%, and the service life reaches 2-5 years or above; in addition, the cost of a rice straw compound substrate is reduced by 60%-80% compared with conventional substrates, and for example, the cost is reduced by 80% compared with a rock wool substrate, reduced by 75% compared with a vermiculite substrate and a coconut shell substrate, reduced by 70% compared with a grass carbon substrate and reduced by 60% compared with a perlite substrate. Natural resources are saved for recycling the straw, and an effective development way is provided for protecting the biological environment.

Description

technical field [0001] The invention belongs to the technical field of planting, and in particular relates to a cotton straw composite substrate and a preparation method thereof. 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. Since the mid-1980s, my country has begun to introduce vegetable seedling raising technology characterized by light substrates and plug seedlings, and has been favored by vegetable and flower producers. In recent years, plug seedlings have begun to be applied to the seedlings of field crops. The main advantages of plug substrate seedling cultivation are labor-saving, labor-saving, low cost, high survival rate and high efficiency, and no pests and diseases. The mechanization, scale and sustainable and efficient development of agricultural production are of great significance. [0003] At present, rock w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00C05G3/02C05G3/00C05F17/00C05G3/60
CPCA01G24/00A01G24/23C05C9/00C05F17/00C05G3/00C05G3/60C05D9/00C05F3/00C05F11/00C05F11/08Y02P60/21Y02W30/40
Inventor 王晋华赵肖斌程志芳米国全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