He is known as la la, and likes to live in low-lying wet soil. There are two main methods of prevention and treatment.
     1. When planting bed (垅) before planting, apply 666 poisonous soil (using 6% sixty-six thousand powder per acre to 1-1.5 kg, plus 30 times soil); or sowing the six six six poison valley with the seed ( Use 6% six six six powder 0.5-1 kg per acre , add 20 kg of bean cake. Firstly add the water to the bait and cook it into a half-boiled, then add the medicine and mix it to make a small grain).
     2 , the hazard period ( May ), per acre with 6% kg 666 poison bait (gluten, wheat bran 15-25 kg with water boiled into a semi-cooked, plus 6% six six six powder 0.5 kg mix well, made Granules), sprinkled on the bed (垅) surface in the evening without wind. (Gansu Science and Technology News Bai Suju)
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