What should be paid attention to when using Acetochlor in dry land?
What should I pay attention to when using acetochlor in dry land? Please give an introduction to the following four points when using acetochlor in dry land: soil moisture A certain soil moisture is conducive to improving the weeding effect, such as continuous dry weather during the application stage, the weeding effect will be greatly reduced. Therefore, watering first to increase soil moisture and then applying medicine is one of the key measures to improve acetochlor efficacy. Acetochlor is a selective pre-emergence herbicide that exerts its effects only after planting and before weeds emerge, and the earlier the better. Acetochlor is basically ineffective against weeds that have been unearthed. The quality of soil preparation is not good, and the old grass is not removed, which will directly affect the weeding effect. In addition, uneven soil, can not make the solution evenly sprayed, but also affect the weeding effect. Phytotoxicity Prohibited in cucumber, rice, spinach, wheat, leek, millet, sorghum and other sensitive crops field use acetochlor weeding, tomato, corn, soybean, rape and other crops when using acetochlor weeding, the dosage per mu is limited to 50~75 ml, otherwise easy to produce phytotoxicity. Click for more herbicide application techniques Click for more pesticide application techniques
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How to prevent the damage of corn straw?
How to prevent the damage of corn straw? Please give prevention methods. Grass damage is one of the factors restricting the high and stable yield of maize. The perennial occurrence area of weeds in corn fields in China is more than 350 million mu, which can cause corn loss of about 9.5 billion kg per year. In view of the occurrence of weeds and their harmful characteristics, we should take agricultural control as the basis.
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How to use diachlor in tobacco fields?
How to use diachlor in tobacco fields? Please give guidance to tobacco with small seeds and slow seedling growth, which are often harmed by weeds, such as Setaria mandshurica, Artemisia angustifolia, barnyard barnyard, sophora, sedge, pig calamity, plume, plantain, dandelion and so on. The control of weeds in tobacco field can.
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