Performance of grain sorghum in summer rice fallows of Southern Kerala

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Grain sorghum cultivated in summer rice fallows exhibited improved yields under zero tillage compared to conventional methods.
The highest grain yield recorded was 5.14 t ha-1 under zero tillage with specific nutrient application of 50:25:50 NPK.
Optimal plant spacing of 45 cm x 15 cm coupled with nutrient management raised overall production at harvest.
Economic analysis showed the highest net income and B-C ratio under specific zero tillage conditions, highlighting its profitability.

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Experiment demonstrates higher yields in grain sorghum using zero tillage in summer rice fallows, suggesting efficient nutrient management.

Anuranj et al. (2025) studied this question.

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Experiment demonstrates higher yields in grain sorghum using zero tillage in summer rice fallows, suggesting efficient nutrient management.