| 旱地籽瓜降水高效利用覆膜模式研究 |
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| 引用本文： | 王彩斌,刘生学,林淑敏. 旱地籽瓜降水高效利用覆膜模式研究[J]. 现代农业科技, 2010, 0(12): 94-98,100 |
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| 作者姓名： | 王彩斌 刘生学 林淑敏 |
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| 作者单位： | 1. 甘肃省会宁县农业技术推广中心,甘肃,会宁,730700
2. 甘肃华园西甜瓜开发研究所 |
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| 摘 要： | 采用田间小区试验分析比较了旱地籽瓜不同覆膜模式的水分利用机理。结果表明,全膜覆盖垄上沟播技术特别是秋季全膜覆盖垄上沟播和顶凌全膜覆盖垄上沟播,能显著增加播前和籽瓜生长前期土壤水分含量。籽瓜播前至伸蔓期,秋季全膜垄上沟播、顶凌全膜垄上沟播、播前全膜垄上沟播0～20 cm土壤含水量较对照播前半膜平铺分别提高4.1～5.4、3.1～4.4和0～2.8个百分点;1 m土壤贮水量较播前半膜平铺分别增加40.0～50.8、30.2～40.1和0～26.3 mm。全膜覆盖垄上沟播技术特别是秋季全膜覆盖垄上沟播技术和顶凌全膜覆盖垄上沟播技术,大幅度提高了农田降水利用率和籽瓜水分利用效率,秋季全膜垄上沟播、顶凌全膜垄上沟播和播前全膜垄上沟播降水利用率分别较播前半膜平铺提高18.9、14.2和6.2个百分点,籽瓜水分利用效率分别较播前半膜平铺增加2.51、1.66和1.42 kg/(mm.hm2),在旱地籽瓜农田降水高效利用方面取得了明显突破。与全膜双垄沟播、全膜平铺穴播、半膜平铺穴播相比,全膜覆盖垄上沟播技术具有显著的经济效益。
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| 关 键 词： | 旱地籽瓜 降水高效利用 覆膜模式 研究 |
Study on Highly Efficient Rainwater Utilizing Mulching Modes of Dryland Seed-melon |
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| WANG Cai-bin,LIU Sheng-xue,LIN Shu-min. Study on Highly Efficient Rainwater Utilizing Mulching Modes of Dryland Seed-melon[J]. Modern Agricultural Sciences and Technology, 2010, 0(12): 94-98,100 |
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| Authors: | WANG Cai-bin LIU Sheng-xue LIN Shu-min |
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| Affiliation: | WANG Cai-bin1 LIU Sheng-xue1 LIN Shu-min2(1 Huining Agro-technical Extension Center of Gansu,Huining Gansu 730700,2 Gansu Huayuan Institute of Watermelon and Muskmelon Exploitation,Lanzhou) |
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| Abstract: | Field plot experiments were employed to study highly efficient rainwater utilizing plastic-film mulching modes of dry-land seedmelon.The results showed that the techniques of whole plastic-film mulching and planting in catchment furrows on ridges,especially its autumn mulching and early spring mulching could increase soil water content of seed-melon significantly before sowing and early growth stage.Compared with the half flat mulching before sowing(CK),autumn whole mulching and planting in catchment furrow... |
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| Keywords: | dry land seed-melon highly efficient rainwater utilizing plastic-film mulching modes research |
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