Investigation of Pesticide Application by Vegetable Growers in Pingyu County
The vegetable planting area,pesticide types,pesticide application amount,pesticide costs and labor costs of vegetable growers in Pingyu County were investigated and analyzed,and the differences of pesticide application amount of different scales of growers and vegetable planting patterns were compared and analyzed,so as to provide scientific basis for rational application of pesticides on vegetables,promotion of green prevention and control technology and pesticide reduction in Henan Province.The results showed that average pesticide application amount of vegetable growers in Pingyu County was 12.40 kg/ha,and the average active ingredient amount was 3.05 kg/ha.The proportion of fungicides and insecticides were higher,which were 59.03%and 31.90%,respectively.The average pesticide cost was 1 359.4 yuan/ha,the average labor cost was 590.6 yuan/ha,and the average control cost was 1 950 yuan/ha.The level of pesticide were greatly different among different planting patterns,the average pesticide application amount of vegetables in protected areas was 2.67 times that of vegetables in open areas;There was little difference in the application amount of pesticide used by different scales of growers.The application amount of biopesticides was small,accounting for 2.5%of the total application amount of pesticides;The use area of color plate,insecticidal lamp,insecticidal net and black mulch were small,accounting for 12.5%,2.5%,6.7%and 1.7%of the total planting area of vegetables respectively;The application amount of medium and high toxic pesticides was small,accounting for 4.4%of the total application amount of pesticides.
国家科技期刊平台
NSTL
万方数据
