Micro-rainwater Catchment and Planting Technique of Ridge Film Mulching and Furrow Seeding of Corn in Drylan

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Micro-rainwater Catchment and Planting Technique of Ridge Film Mulching and Furrow Seeding of Corn in Drylan

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- Micro-rainwater Catchment and Planting Technique of Ridge Film Mulching and Furrow Seeding of Corn in Drylan
- Issue 1, Pages: 143-146(2006)
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- Published：2006
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Micro-rainwater Catchment and Planting Technique of Ridge Film Mulching and Furrow Seeding of Corn in Drylan[J]. 2006, (1): 143-146.
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Micro-rainwater Catchment and Planting Technique of Ridge Film Mulching and Furrow Seeding of Corn in Drylan[J]. 2006, (1): 143-146. DOI：

摘要

为提高我国北方旱地玉米的水分利用效率和土壤温度

以达到进一步增产的目的

设计出一套旱地玉米的垄膜沟种微集水种植技术。通过对比试验发现:单向丁风垄(D 2)种植沟间的含水量

较对照和平铺膜提高2.87%和1.82%;水分利用效率也最高

达18.05 kg/hm2.mm

较对照和平铺膜提高48.70%和25.54%。整个生育期种植行间各层平均地温

垄膜沟种技术高出对照1.4℃

高出平铺膜0.1℃;总积温在2 901.0~2 984.7℃之间

平铺膜为2 908.7℃

对照仅为2 699.3℃。垄膜沟种平均产量为7 237.26 kg/hm2

其中单向顺风垄(D 1)的产量最高

达7 569.62 kg/hm2

较对照和平铺膜提高47.72%和21.46%。

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