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Changes in the nutrient status of soil caused by cropping and fertilization in a Typic Ustochrept

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Relation http://oar.icrisat.org/7576/
http://dx.doi.org/10.1007/BF01052395
 
Title Changes in the nutrient status of soil caused by cropping and fertilization in a Typic Ustochrept
 
Creator Verma, D P
Singh, K D
 
Subject Soil Science
Fertilizer Appications
 
Description Field experiments were conducted during 1984-1986 on an alluvial (Typic Ustochrept) soil (pH 8.0.
organic carbon 0.46%) at IARI farm. New Delhi to study the changes in available soil nutrients (N, P,
K, Mn, Fe. Zn and Cu) at different production levels. Fertilizer was applied to wheat followed by
maize, based on the Ta rge tted yield concept’, and mustard was grown after the sequence to estimate
the residual effect of nutrients. Nutrient applications for the largest yield targets ( 6 t h a -1 of wheat
followed by 4 or 5 t h a -1 of maize) resulted in a comparatively greater buildup of soil nutrients (N, P
and K). the greatest yield of a succeeding mustard crop, and a better soil nutrient status than that at the
start of the experiment, even after the mustard. When both crops were fertilized for the largest target
yield with straight fertilizers (Urea. SSP and KC1), the additions of N, P and K and of micronutrient
cations (Mn, Fe. Zn and Cu) maintained a favorable balance for major and trace nutrients and
provided a sound basis for profitable crop production
 
Publisher Kluwer Academic Publishers
 
Date 1991
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/7576/1/Fertilizer%20Research_29_267-274_1991.pdf
Verma, D P and Singh, K D (1991) Changes in the nutrient status of soil caused by cropping and fertilization in a Typic Ustochrept. Fertilizer Research, 29. pp. 267-274. ISSN 0167-1731