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Snap bean grade and yield response to N rate and time of application and P and K rate

 

作者: J. J. Nicholaides,   H. R. Chancy,   L. A. Nelson,   J. E. Shelton,  

 

期刊: Communications in Soil Science and Plant Analysis  (Taylor Available online 1985)
卷期: Volume 16, issue 7  

页码: 741-757

 

ISSN:0010-3624

 

年代: 1985

 

DOI:10.1080/00103628509367641

 

出版商: Taylor & Francis Group

 

关键词: Soil test analysis;plant tissue analysis;residual soil test levels

 

数据来源: Taylor

 

摘要:

A field experiment was conducted on a Bradson gravelly loam (clayey, oxidic, mesic Typic Hapludult) at Fletcher, North Carolina, to determine the effect of timing and rate of N and rate of P and K fertilization on snap bean yield and grade, plant tissue nutrient concentrations, and residual soil test levels. Fertilizer treatments were arranged according to a sequential one‐factor‐at‐a‐time design and established as randomized blocks. Initial soil test levels by the Mehlich‐I extractant were 4 μg P/cc (very low) and 0.09 meq K/100 cc (low).

 

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