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地膜覆盖栽培对改善作物的土壤生态环境和养分的供应状况能起到积极的作用。这就给地膜栽培蔬菜的施肥,提出了新的研究课题。我们于1982—1983年以番茄为试材,选择与影响产量关系密切、在土壤中活性较大的氮元素进行试验研究。现将初步结果整理
Film mulching cultivation can play an active role in improving crop ecological environment and nutrient supply. This gives fertilization of film-grown vegetables, put forward a new research topic. We used tomato from 1982 to 1983 as the test material, and chose to have a close relationship with yield and nitrogen, which is more active in the soil. The preliminary results are now finishing