| 晋北旱地玉米机械穴灌地膜覆盖种植技术探讨 |
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| 引用本文： | 石文廷,孙敏.晋北旱地玉米机械穴灌地膜覆盖种植技术探讨[J].山西农业科学,2009,37(7):20-21,33. |
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| 作者姓名： | 石文廷 孙敏 |
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| 作者单位： | 大同市农业局土肥站,山西,大同,037000 |
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| 摘 要： | 晋北地区旱地应用机械穴灌穴播和地膜覆盖技术种植玉米,比常规机械穴播玉米出苗早5 d,拔节早8 d,抽雄早8 d,成熟早7 d,株高增加7 cm,成穗数增加8 463穗/hm2,穗粒数增加17粒,千粒重增加21.0 g,增产1 800.9 kg/hm2,增产率33.96%,纯增收1 275.9元/hm2;比机械穴播地膜覆盖玉米出苗早3 d,拔节早5 d,抽雄早5 d,成熟早4 d,成穗数增加3 972穗/hm2,穗粒数增加19粒,千粒重增加23.5 g,增产1 200.6 kg/hm2,增产率20.3%,纯增收1 050.6元/hm2。5—7月玉米根区土壤含水量:机械穴灌穴播地膜覆盖区为11.90%,机械穴播地膜覆盖区为7.93%,机械穴播区7.39%。不同种植方式每毫米降雨可生产玉米:机械穴播区19.35 kg/hm2,机械穴播地膜覆盖区21.54 kg/hm2,机械穴灌穴播地膜覆盖区25.93 kg/hm2。
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| 关 键 词： | 旱地 玉米穴灌 地膜覆盖 种植增产 保护性研究。 |
Approach to Maize Cutivation Technology of Mechanized-hole-irrigation Plastic-film-mulch in Dryland Northern Shanxi |
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| SHI Wen-ting,SUN Min.Approach to Maize Cutivation Technology of Mechanized-hole-irrigation Plastic-film-mulch in Dryland Northern Shanxi[J].Journal of Shanxi Agricultural Sciences,2009,37(7):20-21,33. |
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| Authors: | SHI Wen-ting SUN Min |
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| Institution: | (Soil ＆Fertilizer Station ,Datong Bureau of Agriculture ,Datong 037000, China) |
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| Abstract: | With technology of dryland mechanized-hole-sowing/irrigation plastic-film-mulch （ I ） it showed 5 d earlier seedling emergence, 8 d earlier jionting, 8 d earlier tasseling, 7 d earlier maturing, 7 cm higher plant height, 8 463 ears/hm2 more earbearing, 17 more seeds/ear, 21.0 g much 1000-seed weight, yield increase of 1 800.9 kg/hm^2, percentage increase of 3.96% and 1 275.9 ￥/hm^2 than those of the conventional technology of mechanized hole-sowing. As technology I was cowpared with those of the mechanized-hole-sowing plastic-film-mulch （ Ⅱ ） it showed 3 d earlier seedling emergence, 5 d earlier jionting and tasseling, 4 d earlier maturing, 3 972 more ears/hm^2, 19 more seeds/ear, 23.5 g more 1 000-seed weight, yield increase of 1 200.6 kg/hm^2, percentage increase of 20.3 % and net income increase of 1 050.6 ￥/hm^2. Besides, rhizosphere soil moisture content from May to July are 11.9 % for technology, I, 7.93 % for Ⅱ and 7.39 % for mechanized hole sowing. And eompared with the maize productivities between the technologies, it showed 19.35 kg/hm^2 for fields with technolgy of mechanized-hole-sowing, 21.54 kg/hm^2 for mechanizd-hole-sowing plastic-film-mulch and 25.93 kg/hm^2 for mechanized-hole-sowing/irrigation plastic-film-mulch. |
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| Keywords: | Dryland Maize hole irrigation Plastic-film-mulch Cultivation yield improvement Conservative farming |
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