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Influence of NPK fertilization on calcium and magnesium in Poa pratensis L. with reference to dietary requirements of grazing cattle

 

作者: J. W. Lightner,   C. L. Rhykerd,   D. B. Mengel,   G. E. Van Scoyoc,   E. L. Hood,   C. H. Noller,  

 

期刊: Communications in Soil Science and Plant Analysis  （Taylor Available online 1983）
卷期: Volume 14, issue 2  

页码: 121-130

 

ISSN:0010-3624

 

年代: 1983

 

DOI:10.1080/00103628309367348

 

出版商: Taylor & Francis Group

 

关键词: NPK fertilization;muck soil;Poa pratenslsL.;mineral concentration of Ca and Mg;Ca and Mg requirements of grazing cattle;permanent pasture

 

数据来源: Taylor

 

摘要:

A two‐year experiment was conducted on Edwards muck (Limnic Medisaprist) on the Pinney‐Purdue Agricultural Center at Wanatah, Indiana to study the effect of NPK fertilization on Ca and Mg concentrations in Kentucky bluegrass (Poa pratensisL.). Eight combinations of N‐P‐K fertilizer (0–0–0, 0–99–0, 0–0–372, 0–99–372, 168–0–0, 168–99–0, 168–0–372, 168–99–372 kg/ha), were applied each spring. Four cuttings were taken annually during the 1979 and 1980 growing seasons from a 1.5 m2caged area.

 

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