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Effect of planting pattern on yield and moisture-use efficiency in sunflower pigeonpea intercropping system



Effect of planting pattern on yield and moisture-use efficiency in sunflower pigeonpea intercropping system



Indian Journal of Agronomy 37(4): 659-665



A 3-year rainfed experiment conducted in Alfisols on planting patterns in sunflower (Helianthus annus L.) -pigeonpea (Cajanus canjun (L.) Millsp.) intercropping system showed that the yields of sunflower and pigeonpea in intercropping systems were significantly reduced compared with their sole crops. But the intercropping system on the whole gave an yield advantage of 55% and fetched additional net returns by Rs 1,071 and Rs 1,045/ha compared with the net return under sole sunflower (Rs 1,239/ha) and pigeonpea (Rs 1,265/ha) respectively. The yield advantages in the intercropping system was mainly due to efficient utilization of water under rainfed situation. Among the planting patterns, intercropping 1 and 2 rows of sunflower in 90 and 120 cm rows of pigeonpea respectively gave significantly higher yields of components crops, land-equivalent ratio and gross and net returns/ha. these systems were found stable over the years at 70-80% desired yield levels of sole sunflower and pigeonpea.

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