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中国农学通报

中国农学通报 ›› 2010, Vol. 26 ›› Issue (18): 32-34.

所属专题： 玉米

• 畜牧 动物医学 蚕 蜂 • 上一篇    下一篇

混合比例对水葫芦与玉米秸秆混合青贮效果的影响

庄益芬 张文昌 陈鑫珠   

  • 收稿日期:2010-03-22 修回日期:2010-04-26 出版日期:2011-09-20 发布日期:2011-09-20
  • 基金资助:
    福建省教育厅科技项目

Effects of Mixed Ratio on Efficiency of Mixed Silage of Water Hyacinth and Corn Straw

  • Received:2010-03-22 Revised:2010-04-26 Online:2011-09-20 Published:2011-09-20

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摘要： 为开发利用水葫芦生产优质青贮，调制了5种混合比例的水葫芦与玉米秸秆混合青贮及水葫芦青贮。5种混合青贮是按水葫芦︰玉米秸秆（质量比）分别为80:20、70:30、60:40、50:50和40:60进行调制。每个处理作2次重复，常温下贮存60d，开封后测定青贮的pH、干物质回收率（DMR）、气体损失率（GLR）、氨态氮（NH3-N）等指标。结果表明，所有混合青贮的pH均显著低于水葫芦青贮（P＜0.01）；70:30、60:40、50:50和40:60混合青贮的pH均低于4.2，它们的NH3-N也都显著低于水葫芦青贮（P＜0.01）。可见，在水葫芦中添加适当比例的玉米秸秆可调制优质混合青贮。

关键词: 加拿大一枝黄花, 加拿大一枝黄花, 光合生理, 化感作用, 叶绿素a荧光诱导动力学

Abstract: For the purpose of producing high quality silage, water hyacinth silage and water hyacinth & corn straw mixed silage were studied. Water hyacinth & corn straw were mixed into 5 silages with their weight ratio of 80:20, 70:30, 60:40, 50:50 and 40:60, besides water hyacinth silage. Each treatment was two repeats. Silage were fermented for 60 days under normal temperature. Then the pH value, dry matter rate（DMR）, gas loss rate（GLR）,ammonia nitrogen（NH3-N）, and other items were measured. The result showed that the pH values of all the 5 mixed silages were lower than water hyacinth silage. (P<0.01), the pH value of the mixed silage 70:30, 60:40, 50:50 and 40:60 was lower than 4.2, and their NH3-N value was significantly lower than water hyacinth silage（P<0.01）. That means that the treatment of adding corn straw to water hyacinth could help to make high quality silage.