Special weeding method for paddy rice and upland rice by direct seeding

A flood and drought combined technology, applied in the agricultural field, can solve the problems of weeds harming upland rice, etc., and achieve the effects of strong selectivity, eliminating the harm of weeds in the field, and neat emergence of seedlings

Inactive Publication Date: 2014-05-07
RICE RES INST DANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, crops such as corn and soybeans have special herbicides, but there is no special herbicide for upla

Method used

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Examples

Experimental program
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Example Embodiment

[0011] The technical scheme of the present invention will be further described in detail below in conjunction with specific embodiments.

[0012] The test data showed that the steps of soil sealing and weeding: 60% butachlor 250ml+48% fenbutazone 400ml+50% barnyardgrass 50g+ dimethyl tetrachloride sodium 50g+33% fertilization 100ml, the total control effect is 88.7%, The control effect of barnyardgrass is 91.1%, and the control effect of crabgrass is 79.2%, occupying the first place; 2010 test data shows that the herbicide formula: 60% butachlor 250ml+48% tributadiene 400ml+50% barnyardgrass 50g + dimethyl tetrachloride sodium 50g + 33% field supplement 100ml, the total control effect is 95.5%, there is no weeds in the field, the emergence rate reaches 82%, it is safer to rice seedlings, ranking first.

[0013] The test data showed that the weeding step of the stem and leaf treatment: 60% butachlor 250ml+50% barnyard grass 25g+50ml squalamine per mu, spray with 40kg of water. The ...

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Abstract

The invention discloses a special weeding method for paddy rice and upland rice by direct seeding. The special weeding method comprises the following steps: (1) sealing soil: adding 250ml of 60% butachlor, 400ml of 48% butralin, 50g of 50% quinclorac, 50g of 2-methyl-4-chloro-phenoxyacetic acid sodium and 100ml of 33% stomp prowl into each 667M<2>; mixing and adding 75kg of water and agitating uniformly; after seeding for 7-10 days, spraying field soil; (2) treating stems and leaves: mixing 250ml of the 60% butachlor, 25g of the 50% quinclorac and 50ml of Basagran into each 667M<2>; mixing and adding 40kg of the water; agitating uniformly; and spraying weeds in sunny days when barnyard grass has two leaves. With the adoption of a formula of a novel special herbicide for the paddy rice and the upland rice, which is directly sown by the method, the preventing and removing effects of weeds concomitant with the upland rice are up to more than 95% and the field weed dangers are basically eliminated; the selectivity is strong and the inhibition and phytotoxicity are not caused on the growth of rice plants after the medicine is applied; and sprouted seedlings are ordered and the fertility is normal.

Description

technical field [0001] The invention belongs to the field of agricultural technology, and relates to a special weeding method for direct direct seeding of paddy and upland rice. Background technique [0002] my country is short of water resources, there are many low-lying lands, and there is a shortage of labor force. Upland rice is a water-saving rice agriculture that has developed rapidly in recent years. At present, crops such as corn and soybeans have special herbicides, but there is no special herbicide for upland rice direct seeding, which makes weed damage become the bottleneck of upland rice production and development. The development and application of special herbicide formulations for upland and upland rice direct seeding can effectively prevent and control weeds in the field, eliminate important obstacles to expanding upland rice area and increasing yield, and bring upland rice production into a new leap-forward development stage. [0003] The herbicidal effect ...

Claims

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Application Information

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IPC IPC(8): A01N43/88A01N43/42A01P13/00A01G13/00A01N39/04A01N37/26A01N33/18
Inventor 陈富忠李恒蓉吕春波李辉赵芳孙驰王长河孙振东于深荣卢秉生伍翠王靖宋庆鹏佟宗宝刘慧颖
Owner RICE RES INST DANDONG ACADEMY OF AGRI SCI
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