Sugarcane Research Station, Kerala Agricultural University, Thiruvalla, Kerala, 689 102
1Present address: Cropping System Research Centre, Karamana, Kerala 695 002
A field experiment was conducted during the crop season of 1998–99 and 1999–2000, to study the influence of integrated use of organic sources with different levels of mineral nutrients. Integrated use of pressmud at 5 tonnes/ha with NPK application @ 100% of the recommended dose influenced the yield attributes, nutrient uptake and remarkably increased the cane yield. It was comparable with conjuctive use of pressmud @5 tonnes/ha with NPK @ 100% of the recommended dose. But the magnitude of variation in cane yieid was only marginal. Hence, it was possible to save 25% of the recommended dose of NPK when pressmud was applied @5 tonnes/ha. There was a drastic decrease in cane growth and cane yield when resorted to mineral nutrition alone. The juice quality also improved when organic sources were integrated with mineral nutrients.
Organic sources, Mineral nutrition, Yield attributes, Cane yield, Nutrient uptake, Juice quality
