Special soilless organic composite matrix for raising seedlings of mechanically-transplanted japonica rice and preparation method of matrix

A composite substrate, japonica rice technology, applied in the application, fertilizer mixture, fertilization device and other directions, can solve the problems of not taking into account the growth characteristics and fertilizer requirements of different types of rice, the difficulty of degrading auxiliary materials, and the unfavorable root growth of seedlings. The effect of increasing water retention and ventilation performance, reducing fertilizer application, and strong adaptability to sowing date

Inactive Publication Date: 2014-06-11
RICE RES ISTITUTE ANHUI ACAD OF AGRI SCI
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  • Application Information

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Problems solved by technology

However, there are also certain deficiencies: (1) using only rice husks, straws and other agricultural wastes as the main material often leads to difficulties in stacking and decomposing, uneven nutrition, and insufficient nutrients; (2) poor ventilation and water retention structure, which is not conducive to seedlings

Method used

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  • Special soilless organic composite matrix for raising seedlings of mechanically-transplanted japonica rice and preparation method of matrix

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Take 55kg of rice straw, process the straw into 0.2-2m long sections with a pulverizer or a guillotine knife; collect 35kg of cow dung, dry it, and crush the large pieces into powder. The above-mentioned agricultural waste and 10 kg of sun-dried rice husks were evenly mixed, and 2 kg of urea and 15 grams of straw decomposing agent were added. Mix the above-mentioned mixed materials, adjust the water content to 65% (cluster into a ball by hand, squeeze out the water), and then stack. Then cover the surface with a sack or a layer of film to keep it moist and start fermentation. After 7-10 days, the pile temperature rises above 60°C, and the pile is turned once, and then the pile is turned 7 times according to the pile temperature, and then the fermentation is in place. Air-dry the fermented main raw materials naturally and crush them to 1-4 mm, add 15 kg of peat, 0.5 kg of urea, 0.6 kg of potassium dihydrogen phosphate, 0.6 kg of phosphate fertilizer (phosphorus pentoxid...

Embodiment 2

[0023] Take 65kg of rice straw, process the straw into 0.2-2m long sections with a pulverizer or a guillotine; collect 30kg of cow dung, dry it, and crush the large pieces into powder. The above-mentioned agricultural waste and 5 kg of sun-dried rice husks are evenly mixed, and 3 kg of urea and 20 grams of straw decomposing agent are added. Mix the above-mentioned mixed materials, adjust the water content to 65% (cluster into a ball by hand, squeeze out the water), and then stack. Then cover the surface with a sack or a layer of film to keep it moist and start fermentation. After 7-10 days, the pile temperature rises above 60°C, and the pile is turned once, and then the pile is turned 7 times according to the pile temperature, and then the fermentation is in place. Air-dry the fermented main raw materials naturally and crush them to 1-4mm, add 15 kg of peat, 1 kg of 15:15:15 compound fertilizer, 0.6 kg of phosphate fertilizer (phosphorus pentoxide), or 6 grams of paclobutrazo...

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Abstract

The invention belongs to the field of rice culturing and in particulates to a special soilless organic composite matrix for raising seedlings of japonica rice. The matrix taking agricultural wastes as materials comprises the following components in percentage by weight: 55%-65% of rice straw, 25%-35% of cow dung, 5%-10% of rice husk, 2%-3% of carbamide, 1.5%-2.0% of straw-decomposing inoculants, 15% of peat, 1%-3% of nitrogen phosphorus and potassium fertilizers, 0.015%-0.006% of seedling growing agent and 0.002% of root growth promoting agent. The special soilless organic composite matrix for raising seedlings of japonica rice has the advantages that the local agricultural wastes serve as the main raw materials, so that the matrix is available in material, low in transportation and production cost, facilitates the cyclic utilization of the agricultural wastes, reduces the pollution to the environment, completely solves the problems that the vegetation is damaged when soil is extracted for raising the seedlings and the soil is extracted difficultly and reduces the labor strength and cost for processing the extracted soil; in addition, auxiliary additives are organic non-toxic products, easy to degrade in a farmland ecosystem and free of secondary pollution; the matrix is long in time period suitable for planting the seedlings; the time period of the matrix suitable for planting the seedlings can be extended to 28 days; and the matrix is great in range of seedling ages and strong in adaptively in date of seeding.

Description

technical field [0001] The invention belongs to the field of rice cultivation, and in particular relates to a special soilless organic japonica rice seedling-raising substrate and a preparation method using agricultural waste as materials. Background technique [0002] Rice is the main food crop in my country. However, the traditional rice seedling raising and transplanting operation conditions are difficult, labor-intensive and inefficient, coupled with the large transfer of rural labor force, the existing rice production methods can no longer adapt to the development of modern agriculture. It can be predicted that with the continuous improvement of machine-transplanted rice seedling raising technology and field supporting technology, the popularization of machine-transplanted rice seedling technology will become an important driving force for the further improvement of rice production level. However, the existing machine-transplanted seedling-raising technology mainly use...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 吴文革杨剑波王斌陈刚许有尊周永进
Owner RICE RES ISTITUTE ANHUI ACAD OF AGRI SCI
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