Plant protection equipment behind pesticide waste Qi Cheng

First, the low level of mechanization . It is understood that the province plant protection machinery social ownership of more than 340 million units , of which there are 3.3 million manual sprayers , accounting for more than 95% , motor and stretcher sprayer social ownership 160,000 units, accounting for about 4.6% , far below the the national average. According to incomplete statistics , at present the province's crop pest control area of ​​more than 70% is done by hand sprayer . What is more , many farmers in the use of water pumps spraying this very rudimentary tools .

Second, plant protection models behind. Currently , the province is mainly used sprayers workers and peasants -16 , WFB- type and peasants -36 type sprayers , fifties and sixties of the last century stereotypes ,back pack sprayers spraying poor performance, single component spray , many products of poor quality, "run , run, drip, drain "phenomenon seriously . And developed advanced anti- drift spray , circular spray , automatic spray machines and other plant protection machinery target , compared with four or five decades gap.

Third, application techniques behind. Since the last century since the 1950s , the international application techniques continue to improve and perfect. A large number of low-volume applications , ultra-low volume , controlled droplet spray , anti- drift spray range of new technologies to improve the efficiency and utilization of pesticides sprayed to reduce pesticide pollution of the environment . The province is basically follow large capacity , rain -style , full coverage spray method , not science .

Less than 30% utilization of pesticides in our province , 70% of applied pesticides drift into the air or into the soil , resulting in a large number of pesticide waste and pollution of the environment , prone to excessive pesticide residues in agricultural and crop injury , but also affects the control effect of pesticides .