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 be divided into seedbed control and field control. And 50% diachlor wettable powder is the best choice to control weeds in tobacco field. According to the efficacy tests done by some pesticide control institutes, the comprehensive fresh weight control effect of 50% diachlor wettable powder on weeds in tobacco field is more than 90%, and the harm of weeds to tobacco is basically controlled. According to the different growth period of tobacco field, the specific usage and dosage are different: 1. When controlling weeds in seedbed, the soil treatment before sowing is generally used, that is, 3-5 days before sowing, the dosage is 100g / 667m2, 50kg with water, and after shaking well, spray evenly on the soil surface of the border. Rake the soil 5cm deep, sow immediately 'can also be used after sowing before the seedling application method, that is, with 50% diachlor wettable powder 100~150g/667m2, mixed with water 50kg, shake well and spray on the surface. 2. When controlling weeds in tobacco field, the soil can be treated before seedling transfer. 3-5 days before seedling transfer, 50% diachlor wettable powder 100~200g/667m2, 50kg mixed with water, evenly sprayed on the soil surface of the whole field, rake the mixed soil 5cm deep within 3-5 days, and then transfer the seedlings. In addition, it can also be treated with spray after transplanting seedlings. Within 5-7 days after seedling transfer, tobacco seedlings have survived. 50% diachlor wettable powder 100~150g/667m2, 50kg mixed with water are used to evenly spray the surface of the seedling belt. 50% of the wettable powder of diachlor has high activity, the dosage is only half of that of Dahuili, and the safety factor is higher. The growth and development of tobacco seedlings is safe, and the effect of increasing yield is significant. after application, the soil is adsorbed and will not be washed away or leaked by Rain Water. The half-life in soil is 15 days and there is no environmental pollution. It is safe for the use of crops and subsequent crops such as wheat, cotton, soybeans, peanuts and so on. However, sugar beet, celery, sorghum, corn, fennel and other crops are sensitive to diachlor, and the field should not be planted within 3 months. Click to get more herbicide application techniques click to get more pesticide application techniques click to get more tobacco planting techniques