EFFECT OF ROW PROPORTIONS ON PRODUCTIVITY OF WHEAT + CHICKPEA/SAFFLOWER INTERCROPPING SYSTEM
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Date
2004-01-12
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UNIVERSITY OF AGRICULTURAL SCIENCES BANGALORE
Abstract
A field experiment was conducted to study the effect of row
proportions on the productivity of wheat + chickpea/safflower
intercropping systems under rainfed conditions at Main Research
Station, Dharwad during rabi 2000-2001. The experiment was laid out in
a randomised block design with eleven treatments comprising of two
cropping systems (wheat + chickpea/safflower), four row proportions (3:1,
4:2, 3:3 and 5:1) and their sole crops replicated thrice.
The grain yield of wheat, chickpea and seed yield of safflower in
sole cropping were significantly higher (1506, 860 and 1094 kg ha-') than
in intercropping systems. Among the intercropping treatments, wheat +
chickpea (4:2) row proportion recorded significantly higher wheat
equivalent yield (2215 kg ha-') compared to sole wheat (1510 kg ha-') and
other intercropping systems.
Significantly higher net returns of Rs. 11576 ha-' was obtained
with wheat + chickpea (4:2) row proportion than the sole crop of wheat
(Rs.7413 ha-'). This was followed by wheat + chickpea in 3:1 row
proportion with net returns of Rs. 10225 ha-'.
The intercropping treatment, wheat + chickpea (4:2) row proportion
recorded significantly higher LER (1.23) and B:C ratio (2.32) than the
sole crop of wheat (1.0 and 1.61, respectively).
Among all the intercropping treatments studied, the results showed
that wheat + chickpea with 4:2 row proportion and wheat + chickpea
(3:1) row proportions were found to be most profitable intercropping
systems in transitional tract of Dharwad under rainfed conditions
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