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lants and vegetables etc. by utilizing the methods of intercropping, undercrop sowing and soil treatment of chemicals, which increased the yield of these crops more 20% than before.During the last 25 years, I have written 150,000 words of technical training material for agricultural technical persons from villages and towns. Lectured to technical officials and farmers in the rural area for 1500 times, the total number of people participants reached 180,000. provided frequent and regular technical consultations to the farmers on various difficult problems of crop cultivation and pests prevention and controlling.Scientific research achievement Integrated pest management of rice, scientific and technical progress prize of XXX City (Second class award).The ultralow volume sprayers and the unified pests control of rice , scientific and technical p