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1983年进行了西瓜直播地膜覆盖栽培试验,供试地膜为无色透明的聚乙烯薄膜,厚0.015毫米,供试品种为蜜宝有籽瓜,共三个处理:(1)地膜覆盖度为50%。( 2)地膜覆盖度为100%。( 3)露地栽培为对照。重复三次,小区面积为43平方米。 一、产量及经济效益: 经统计分析,两种不同覆盖度的地膜
1983 watermelon mulching film mulching test for the test film is colorless and transparent polyethylene film thickness of 0.015 mm, the test varieties for the honey seed gourd, a total of three treatments: (1) mulching coverage of 50% . (2) Film coverage is 100%. (3) Open field cultivation as a control. Repeat three times, the plot area of 43 square meters. First, the yield and economic benefits: After statistical analysis, two different coverage of the plastic film