Optimizing Inter Row Spacing in Sugarcane Based Intercropping Systems in Semi-Arid Regions of Karnataka
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2019, Vol 9, Issue 2
Abstract
A field experiment, ‘Optimizing inter row spacing in sugarcane based intercropping systems in semi-arid regions of Karnataka were conducted during 2013-14 and 2014-15 at KIAAR, Sameerwadi, Karnataka. The experiment consisted of 12 treatments in plant cane and 23 in ratoon cane. There were three row spacings i.e., 1.2 m, 2.4 m (paired row) and 3.6 m (paired row) and three intercrops (soybean, green pea and drill sown onion) in plant cane and two intercrops (watermelon and cucumber) in ratoon cane. In the plant cane, a significantly higher number of millable canes (NMC) (1,34,717 ha-1), cane yield (110 t ha-1) and CCS yield (14.9 t ha-1) at harvest were recorded in sugarcane at 1.2 m row spacing than at 2.4 m or 3.6 m spacing. In the ratoon cane also, NMC (1,00,953 ha-1), cane yield (67 t ha-1) and CCS yield (7.8 t ha-1) were significantly higher at 1.2 m row spacing compared to 2.4 m and 3.6 m row spacings respectively. Sugarcane at 1.2 m + green pea and onion were the best intercropping systems compared to other intercropping systems in plant cane where as sugarcane at 1.2 m + green pea followed by (fb) watermelon was the best intercropping system compared to others in ratoon cane. In case of total productivity of both plant and ratoon crops, sugarcane at 1.2 m + green pea fb ratoon + cucumber produced higher combined cane yield (187 t ha-1) with 9 q ha-1 of green pea and 44 q ha-1 of cucumber compared to other intercropping systems.
Authors and Affiliations
Seemantini Nadiger, Hunshal C. S, Sundara B
Keywords
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- EP ID EP566297
- DOI 10.24247/ijasrapr20193
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