volume 27 issue 4 (december 2006) : 308 - 312
ROLE OF MAJOR NUTRIENTS IN COTTON - A CRITICAL REVIEW
1Department of Agronomy,
Tamil Nadu Agricultural University, Coimbatore - 641 003, Tamil Nadu, India
ABSTRACT
Cotton, the "King of fibres" is often quoted as •White gold' because of its higher commercial
value. Our country ranks first in cotton acreage but the productivity is less. One of the major
constraints in cotton is nutrient management. Cotton is a deep-rooted crop and voracious feeder
of nutrients, responds weIl for nutrients. When the nutrients are supplied at sub optimal level,
the diversion of nutrients to the reproductive sympodial branches gets disrupted leading to boIl
shedding and poor yield. On the other hand, excess application of fertilizer has its own limitation
in promoting vegetative growth. The optimal dose of nutrients builds up a favourable condition
in increasing cotton productivity. Response of nutrients in cotton varies among varieties and
region and therefore, the recommendation of nutrients are to be made with region specific doses
for increasing the productivity.
value. Our country ranks first in cotton acreage but the productivity is less. One of the major
constraints in cotton is nutrient management. Cotton is a deep-rooted crop and voracious feeder
of nutrients, responds weIl for nutrients. When the nutrients are supplied at sub optimal level,
the diversion of nutrients to the reproductive sympodial branches gets disrupted leading to boIl
shedding and poor yield. On the other hand, excess application of fertilizer has its own limitation
in promoting vegetative growth. The optimal dose of nutrients builds up a favourable condition
in increasing cotton productivity. Response of nutrients in cotton varies among varieties and
region and therefore, the recommendation of nutrients are to be made with region specific doses
for increasing the productivity.
KEYWORDS
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