volume 30 issue 3 (september 2009) : 219-223
BLACKGRAM AS INTERCROP IN COTTON – A REVIEW
1Department of Agronomy
Tamil Nadu Agricultural University, Coimbatore – 641 003, India
ABSTRACT
Cotton being a long duration and wide spaced crop having the habit of growing at
slower rate in early stages and thus much of vacant interspace remains unutilized. It
is indeed worthy to use land fully well by resorting to the introduction of intercrops.
It has unique capacity to raise the unit profitability without unduly disturbing the
cotton ecosystem. Intercropping of legumes (blackgram) is an important aspect for
biological farming systems not only for weed control, but also reducing the leaching
of nutrients, pest control and soil erosion. Inclusion of legumes as intercrop in cotton
play a multi beneficiary role by providing grains and simultaneously it improves
nitrogen status of soil through fixation of atmospheric nitrogen
slower rate in early stages and thus much of vacant interspace remains unutilized. It
is indeed worthy to use land fully well by resorting to the introduction of intercrops.
It has unique capacity to raise the unit profitability without unduly disturbing the
cotton ecosystem. Intercropping of legumes (blackgram) is an important aspect for
biological farming systems not only for weed control, but also reducing the leaching
of nutrients, pest control and soil erosion. Inclusion of legumes as intercrop in cotton
play a multi beneficiary role by providing grains and simultaneously it improves
nitrogen status of soil through fixation of atmospheric nitrogen
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