摘要
本文主要阐述通过小区与中间试验,研究了现推广的覆膜栽培技术。由于残膜积累,土壤理化性状低劣,使后茬作物产量下降。为减少地膜污染,建议采用膜外侧栽培。
Plastic film has been spreading in farmland this years. Plenty of
plastic material remain in field. As a result, physical and chemical prop-
orties of soil are worsening, and yield of following crop has gradually
reduced. In order to diminish the plastic film contamination, we experim-
ent with a new method, sewing seed outside the film cover. Compared
with normal cultivation method, the new one has better effects.
出处
《干旱区资源与环境》
CSCD
1992年第4期71-78,共8页
Journal of Arid Land Resources and Environment
关键词
污染
土壤
作物
产量
Pollution of Residual Plastic Film
Soil Proporty
Cultivation outside Plastic Film Cover
