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Genetic manipulation of crop plants to enhance integrated nutrient management in cropping systems— 1. Phosphorus: proceedings of an FAO-ICRISAT Expert Consultancy Workshop 15—18 Mar 1994

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Title Genetic manipulation of crop plants to enhance integrated nutrient management in cropping systems— 1. Phosphorus: proceedings of an FAO-ICRISAT Expert Consultancy Workshop 15—18 Mar 1994
 
Creator Johansen, C
Lee, K K
Sharma, K K
Subbarao, G V
Kueneman, E A
 
Subject Agriculture-Farming, Production, Technology, Economics
 
Description This Workshop forms part of an overall endeavor to establish a global consortium of researchers
focusing their efforts on improving the ability of crop plants to acquire phosphorus, particularly through
sources from which it is only sparingly available. These sources include bound forms of soil phosphorus
and such fertilizers or amendments as rock phosphate. This volume explains the overall procedures
followed, presents the formal papers prepared for the Workshop, and highlights the outcome of the
deliberations in the form of a preliminary draft proposal for a global project. A background paper covers
the possibilities of favorably manipulating phosphorus acquisition, which include modifying root
absorption area by improving rooting characteristics or mycorrhizal associations, manipulating ion
absorption mechanisms, and modifying the rhizosphere through root exudations or effects of
microorganisms. Position papers prepared by invited specialists examine in detail the prospects for
favorable manipulation of specific components of phosphorus acquisition. During the Workshop,
research areas with prospects for impact on agriculture in the medium term were identified and
appropriate outputs and activities proposed. The promising research areas chosen were modification of
root morphology, manipulation of root exudates, enhancement of mycorrhizal effects through crop
management practices, and optimization of cropping systems approaches. The Workshop laid the
foundation for subsequent activities of formulating detailed project proposals and soliciting support
from potential donors for the proposed global consortium.
 
Publisher International Crops Research Institute for the Semi-Arid Tropics
 
Date 1995
 
Type Monograph
NonPeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/1022/1/RA_000276.pdf
Johansen, C and Lee, K K and Sharma, K K and Subbarao, G V and Kueneman, E A (1995) Genetic manipulation of crop plants to enhance integrated nutrient management in cropping systems— 1. Phosphorus: proceedings of an FAO-ICRISAT Expert Consultancy Workshop 15—18 Mar 1994. Other. International Crops Research Institute for the Semi-Arid Tropics.