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Organic rice cultivation method by utilizing farmland and rice chaff weeding

A technology of organic rice and a cultivation method, applied in the field of inhibiting the growth of weeds in paddy fields, can solve problems such as low weed control effect, and achieve the effects of inhibiting root growth, improving rice quality, and promoting rapid germination

Inactive Publication Date: 2013-12-25
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide an organic rice cultivation method that can improve the weed control effect of rice bran and increase the yield of organic rice by using rice bran to control weeds in the existing organic rice production technology. method

Method used

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  • Organic rice cultivation method by utilizing farmland and rice chaff weeding
  • Organic rice cultivation method by utilizing farmland and rice chaff weeding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The method proceeds as follows:

[0025] (1) Soak the field in shallow water: before plowing the field in spring, irrigate the field with water to 2-3 cm, and keep the water layer for 5-7 days until some overwintering weed seeds in the plowing field germinate;

[0026] (2) Cultivated land for the second time: Drainage is required for the first time. After the cultivated land is 5-8 cm deep, level the field surface and irrigate to 2-3 cm, and keep it for 5-7 days. -4 g / m 2 organic fertilizer at 100 g / m 2 Apply basal fertilizer, the cultivated land is 5-8 cm deep, and prepare for transplanting after leveling the field surface. The above-mentioned 2 times of drainage can further discharge the weed seeds such as bermudagrass and sedge floating on the surface of the water layer out of the field;

[0027] (3) Transplant strong seedlings: on the day when the second cultivated land is completed, according to the density of 13-18 holes / m 2 , 3-4 seedlings per hole are inserte...

Embodiment 2

[0031] In this example, step (2) plows the land twice, and before the second plowing, press 75 g / m 2 Apply base fertilizer; step (4) press 70g / m on the 5th day after transplanting 2 Sprinkle rice bran at the dosage, water to a depth of 8 cm, and keep for 40 days; the rest of the process is the same as in Example 1.

Embodiment 3

[0033] In this example, step (2) plows the land twice, and before the second plowing, press 50 g / m 2 Apply base fertilizer; step (4) press 70g / m on the 10th day after transplanting 2 Sprinkle rice bran at the dosage, water to a depth of 8 cm, and keep for 40 days; the rest of the process is the same as in Example 1.

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Abstract

The invention discloses an organic rice cultivation method by utilizing farmland and rice chaff weeding, belonging to the technical field of rice production. The method comprises the steps of: soaking in shallow water; ploughing for two times or three times; transplanting strong seedlings; broadcasting rice chaff; conducting later field management and other steps. In the method, drainage is required at first and then ploughing is carried out each time, which aims at carrying away sheathed monochoria herb without spouting and floating on the surface of a water level and seeds of chufa through drainage; the rice chaff fertilization faster improve the field temperature so as to create a good sprouting environment for weed seeds, and also can reduce the oxygen content under the surface layer, thus preventing the normal growth of the weed roots and achieving purpose of killing weeds, further increasing the content of organic matters, being beneficial to improvement of rice quality. The organic rice cultivation method can be popularized and applied in rice cultivation regions.

Description

technical field [0001] The invention relates to the technical field of rice production, in particular to an organic method for suppressing the growth of weeds in paddy fields by using cultivated land and rice bran. Background technique [0002] Rice plays a vital role in the staple food of human beings, and rice is in great demand, so it needs to be grown in large quantities. my country is a big country that produces rice, but rice bran rice cultivation has been studied and applied in Japan as a paddy field weeding and fertilization technology. The China Rice Research Institute and other units have also carried out research on the use of rice bran to control weeds in paddy fields. Rice bran returning to the field is safe and environmentally friendly, and it plays the dual role of fertilizer and medicine. The social and economic benefits are significantly higher than manual or chemical weeding. It is an ideal and practical technology for weeding in organic rice produ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G16/00A01G22/22
Inventor 安雪花王强赵学平蔡磊明吴长兴俞瑞鲜王彦华吴声敢陈丽萍苍涛李刚安文浩
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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