[目的] 为减少地膜导致的农田土壤污染,探明使用PBAT全生物可降解地膜代替普通PE地膜与滴灌结合在轻度次生盐化土壤滴灌种植玉米的应用效果。[方法] 于2023年4—9月在宁夏惠农区设置PBAT全生物可降解地膜(黑色、白色)、普通PE地膜(黑色)和无覆盖种植4个处理,以及2 600,3 300,4 200 m3/hm2 3个灌水量,探讨不同膜覆盖对土壤水盐运移和玉米生长的影响。[结果] 在0—20 cm土层黑色、白色全生物降解地膜的含水量较普通PE薄膜分别提高18.87%,18.34 ...
杨赵昱 +6 more
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