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Method for preventing and removing weed of grass stalk in rice crop

A weed control and grass straw technology, applied in botany equipment and methods, rice cultivation, horticulture, etc., to increase soil fertility and water holding capacity, reduce labor, and save costs

Inactive Publication Date: 2005-11-16
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Many of the above technologies have played a certain role in the control of weeds in rice fields, but compared with the requirements of industrialization, standardization and pollution-free agricultural products, especially organic food production, there is still a certain gap. Exploring new technologies for weed control is not only necessary and urgent

Method used

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Embodiment approach

[0036] Implementation scheme: implement and divide into three treatments, (1) contrast, i.e. conventional method, (2) grass straw consumption 100g / m 2 , (3) straw consumption 200g / m 2 , the community area is 50m 2 , repeated twice, the cells are arranged randomly. The specific operation is: 3 days before rice planting, sprinkle the previous crop straw (bean straw) that has been coarsely crushed and passed through a 1mm aperture sieve on the surface of the field, and then water it shallowly (3-5 cm). , Transplanting, each treatment is based on the nutrient requirements, appropriate amount of commercial organic fertilizer is applied, and other management is the same as the conventional method. The treatment method of straw straw rice is as follows:

[0037]1. Paddy field: The paddy field is required to be flat, and the height difference of the field surface is 6-10 cm, that is, when the field surface maintains a water layer of about 10 cm, there should be no soil ridges above...

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Abstract

A method for preventing and eliminating the weeds in rice field includes transplanting rice seedlings in the field, and spreading the broken straw in the field to form a strong reducing layer to suppress the germination of weeds and applying fertilizer.

Description

technical field [0001] The invention relates to rice cultivation techniques, and is especially suitable for organic rice production, and is also suitable for the prevention and control of common rice weeds. Background technique [0002] Farmland weeds refer to those herbaceous plants that grow in farmland, are widely distributed, harm crops, and are not artificially cultivated. It has survived long-term adaptation to local crops, cultivation, climate, soil and other ecological conditions and other social factors. It is an integral part of the agricultural ecosystem and the most adaptable and luxuriant plant in the natural environment. According to the report of the Food and Agriculture Organization of the United Nations: the total number of weeds in the world is about 50,000! 8000 of them are farmland weeds! There are about 250 kinds of weeds that harm the main food crops, and 76 kinds of weeds are the most serious, of which 18 are particularly serious, such as: Cyperus cy...

Claims

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Application Information

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IPC IPC(8): A01G22/22
Inventor 常志州辛红霞徐健
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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