| 沼液与氮肥不同配比对青贮玉米干物质积累量和土壤肥力指标的影响 |
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| 引用本文： | 王永翠,曹社会,初 雷,路 阳,张冯峰,侯金星.沼液与氮肥不同配比对青贮玉米干物质积累量和土壤肥力指标的影响[J].西北农业学报,2010,19(9):163-167. |
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| 作者姓名： | 王永翠 曹社会 初 雷 路 阳 张冯峰 侯金星 |
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| 作者单位： | 西北农林科技大学,动物科技学院,陕西杨凌,712100 |
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| 摘 要： | 2008年夏季,采用随机区组试验,在陕西省凤翔县玉米田研究沼液与氮肥不同配比对玉米产量和土壤性状的影响。结果表明,与传统的施肥方式相比,沼液与氮肥以一定比例配施有利于青贮玉米干物质的积累。施用沼液土壤表层有机质含量增加,但对土壤表层全N、全P的影响不大,且会降低土壤表层速K的含量,对土壤表层pH值的影响不明显。结合当地玉米生产实际,陕西凤翔青贮玉米生产推荐的沼液施用量为90 m3.hm-2,碳酸氢铵的施用量控制在2 568 kg.hm-2以内,并要适当的补充P、K肥。
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| 关 键 词： | 沼液 青贮玉米干物质积累量 土壤肥力 |
Effects of Different Proportion of Biogas Slurry and Nitrogen Fertilizer Application on Dry Matter Accumulation of Silage Maize and Soil Fertility |
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| WANG Yongcui,CAO Shehui,CHU Lei,LU Yang,ZHANG Fengfeng and HOU Jinxing.Effects of Different Proportion of Biogas Slurry and Nitrogen Fertilizer Application on Dry Matter Accumulation of Silage Maize and Soil Fertility[J].Acta Agriculturae Boreali-occidentalis Sinica,2010,19(9):163-167. |
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| Authors: | WANG Yongcui CAO Shehui CHU Lei LU Yang ZHANG Fengfeng and HOU Jinxing |
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| Institution: | WANG Yongcui,CAO Shehui,CHU Lei,LU Yang,ZHANG Fengfeng and HOU Jinxing(College of Animal Science and Technology,Northwest A&F University,Yangling Shaanxi 712100,China) |
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| Abstract: | A field experiment was conducted to study the effects of different proportion of biogas slurry and nitrogen fertilizer application on yield of silage maize and nutrients of soil in the Fengxiang county of Shaanxi province in 2008.Experiment with a randomized blocks design was repeated 3 times.The results showed that compared with traditional methods of fertilization,fertilization of biogas slurry and nitrogen with a certain ratio benefited to dry matter accumulation of silage maize.Application of biogas slu... |
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| Keywords: | Biogas slurry Silage maize Dry matter accumulation Soil fertility |
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