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农田所用地膜在使用时应慎重选择。 (1)春季以提高地温、促进作物生长发育为主要目的,应选用透明胶地膜,以提高地温。 (2)高温季节栽培低温作物,为了避免因高温而导致生长发育不良,应选用黑白双重膜,以降低地温。 (3)花生、玉米等作物田间易生杂草,宜选用稻用杀草膜,这种膜具有提高地温和防止杂
Film used in farmland should be carefully selected in use. (1) In spring, with the aim of increasing ground temperature and promoting crop growth and development, the transparent plastic film should be used to increase the ground temperature. (2) Low-temperature crop cultivation in high temperature season, in order to avoid growth and development due to high temperature caused by poor, should use black and white double membrane, in order to reduce the ground temperature. (3) peanuts, corn and other crops prone to weeds, should use rice to kill grass film, this film has increased to moderate and prevent miscellaneous