华北农学报 ›› 2007, Vol. 22 ›› Issue (S3): 41-44. doi: 10.7668/hbnxb.2007.S3.010

所属专题: 土壤肥料

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氮磷钾多元复合肥对蒙古冰草种子生产效应研究

张众, 云锦凤, 逯晓萍, 温超, 贾利霞   

  1. 内蒙古农业大学, 内蒙古, 呼和浩特, 010019
  • 收稿日期:2007-10-12 出版日期:2007-12-31
  • 作者简介:张众(1962-),男,内蒙古武川人,副教授,博士,硕士研究生导师,主要从事草业科学的教学与研究工作.
  • 基金资助:
    内蒙古科技厅草业专项(20040601);内蒙古自然科学基金项目(200508010401)

Effects of NPK Multi-Elements Compound Fertilizer on Seed Production of Mongolia Wheatgrass

ZHANG Zhong, YUN Jin-feng, LU Xiao-ping, WEN Chao, JIA Li-xia   

  1. Inner Mongolia Agricultural University, Huhhot 010019, China
  • Received:2007-10-12 Published:2007-12-31

摘要: 2002—2006年在内蒙古正蓝旗进行了田间追肥试验,旨在探索 NPK 多元复合肥对蒙古冰草种子生产效应。结果表明:不同施肥期以及同期一次性不同施肥量水平处理对蒙古冰草生长发育及种子产量构成因子均有较大影响。蒙古冰草种子田经过3年连续产种后,第四年表现种子产量急剧下降,仅为第一年的35.9%。如果第三年种子收获后及时追施 NPK 多元复合肥150kg/hm2,可使次年种子产量大幅度提高,达到1165.4kg/hm2,为不追肥的5.2倍。

关键词: NPK 多元复合肥, 蒙古冰草, 种子生产

Abstract: A fertilizer test with different date and fertilizer rate was carried out in Zhenglan Banner of Inner Mongolia from 2002-2006. The performance seed yield of Agropyron mongolicum Keng cv. Mengnong No.l in the 4th year was decreased by only 35.9% of the yield in the rest year. However, if the multi-elementsompound fertilizer was applied at rate of 150km after harvesting in 3th year, the seed yield may reached1165.4khm which was 5.2 times of that not applying fertilizer in next year.

Key words: NPK multi-elements compound fertilizer, Agropyron -mongolicum Keng cv.Mengnong No.Seed production

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引用本文

张众, 云锦凤, 逯晓萍, 温超, 贾利霞. 氮磷钾多元复合肥对蒙古冰草种子生产效应研究[J]. 华北农学报, 2007, 22(S3): 41-44. doi: 10.7668/hbnxb.2007.S3.010.

ZHANG Zhong, YUN Jin-feng, LU Xiao-ping, WEN Chao, JIA Li-xia. Effects of NPK Multi-Elements Compound Fertilizer on Seed Production of Mongolia Wheatgrass[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(S3): 41-44. doi: 10.7668/hbnxb.2007.S3.010.

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