Method for preventing and removing weedy rice and weed in direct seeding and interplanting paddy field

Abstract

The invention relates to a method for preventing and removing rice weeds and weeds in direct seeding and interplanting seeding paddy, which pertains to a technical field of plant protection. The invention is mainly characterized in that: rice weed seeds and weed seeds left during direct seeding and interplanting seeding of last year are induced to grow; after former planted paddy is harvested, Glyphosate, a spray sterilant herbicide, is employed to prevent rice weeds and weeds, and solving the problem of incapability of removing older green weeds left during former planting paddy in direct seeding and interplanting seeding paddy; meanwhile, the Glyphosate has no effect on germination and growth of planted rice seeds and is environment friendly. The method for preventing and removing of the invention overcomes the shortages of incapability of employing chemical herbicides to remove rice weeds, worse and worse influence to normal direct seeding paddy, interplanting seeds, etc., and evendestruction of cultivation and repeated displanting. The method for preventing and removing is in favor of paddy production in direct seeding and interplanting seeding and has significant social benefits.

Description

Weedy rice and weed control methods in direct seeding and interplanting paddy fields technical field The invention relates to a method for controlling weedy rice and weeds in direct seeding and interplanting paddy fields, and belongs to the technical field of plant protection. technical background Weedyrice, also known as red rice, is a non-cultivated rice that is different from conventional rice that is not high in purity or whose varieties are not stably separated. Its brown rice skin color is purple-red. Due to its low yield and poor rice quality, It grows fast and affects the growth, development and quality of conventionally cultivated japonica rice like weeds. Rice fields in dozens of countries in the world, especially direct-seeded rice fields, are harmful. In recent years, the infestation of weedy rice has been found in all rice farming methods, especially in japonica rice fields with light cultivation techniques such as direct seeding rice and interplanting rice th...

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to provide a method for preventing and controlling weedy rice and weeds in direct-seeding and inter-sowing paddy fields, to solve the problem of older green weeds left over in the existing direct-seeding rice and inter-sowing paddy fields and the previous stubble of inter-sowing paddy fields. The hazards of normal direct-seeding rice and inter-sowing rice and other japonica rice production are becoming more and more serious, and even the plowing is destroyed and replanted without effective chemical control. Through the control method of the present invention, the production of japonica rice has little harm and weedy rice is less harmful. Normal emergence and growth, no pollution to the environment, is conducive to the production of rice such as direct-seeding rice and inter-sowing rice, so as to increase production and income, and increase farmers' income