Fermentation การหมัก
The neem, tobacco, derris, Non-tai-yak and heart-leaved moonseed, fresh weight 200 g with Hot air oven at temperature 60 degrees celcius. then crushing plant. put into a beaker with water 800 ml spinning machine with Magnetic stirrer long 8 hours and leave it 5 days with white cloth and filter paper. The rate of testing using extracts 50 ml mixed with washing-up liquid 0.05 ml was sprayed on the rice seedling.