Rice seedlings how to control weeds
The methods to control weeds in Putian are: first, agricultural control; second, chemical weeding. Agricultural control: First, we must plow tillage soil, and bury or drown some weeds. Second, we must finely rectify the fields to remove weeds. Third, we must eradicate all kinds of weeds associated with the surrounding fields. Chemical control: According to the classification of seedlings and seedlings to prevent and control. When the seedlings grow to 1.5 leaves, they can use only 20% of the enemy's 750-1000 ml per acre and 25-30 kg of water spray per acre. They have a combination of both alfalfa and dicotyledons. The weeds of weeds in the leaves can be used for 20% of the enemy's 750ml of the emulsion and 25% of the Bentazon Water Solution per 100ml of the spray, and spray 25-30kg of water. When the seedlings grow to the 3-leaf stage, weeds are further removed before transplanting. It can be used for 96% of Da Zhuang EC, 150-200 ml per mu, plus 48% Benzonsone EC 100-150 ml per mu, and spray 25-30 kg for spraying; or 50% quick kill WP for 35-40 g per mu. Add 48% Benzonsone EC 100-150 ml per mu and spray 25-30 kg of water. The application of herbicides in Putian should pay attention to the following issues that should not be overlooked: First, it should be applied at about 10:00 a.m. on sunny days; second, there should be no residual drops on the seedlings and weeds, and the spraying should be uniform and leak-proof. The third is the 1.5-leaf seedlings. The temperature of the seedlings should be increased immediately after spraying to improve the efficacy. Fourthly, the fast killing should be applied. The plastic film should be peeled off before the seedlings are transplanted 3-5 days before the seedlings are transplanted. After the injury or deformity, there are deformed seedlings.