Author(s):

Ranjeet Kumar, RP Singh, Raj Kumar and Raghvendra Singh

Abstract: Present experiment was laid out at soil conservation and water management farm, C.S. Azad University of Agriculture and Technology Kanpur, during rainy season of 2018-19 and 2019-20. The effect of four rain water conservation practices i.e., farmer practices, ridge and furrow, micro julkund between rows, flat sowing with earthing and three mulching vez., no mulching, organic mulching @ 4 t/ha and GM biomass mulching (Dhaincha) was studied. The significantly highest cob diameter was measured under ridge and furrow practice (12.42 cm). The minimum cob diameter was recorded under farmer practice (11.45 cm) in pooled results of two years. Green maturing biomass mulching displayed highest cob diameter (12.06 cm). The minimum diameter of cob was measured under no mulching (11.75cm) in pooled results of two years. The significant highest length of cob was measured under ridge and furrow practice (20.39 cm). The minimum cob length was recorded under farm practice (18.45 cm) in pooled results of two year Ridge and furrow treatment of rain water conservation practices gave highest grain yield (34.98 q/ha), which significantly superior than farm practice. The farmer practice gave minimum grain yield (29.82 q/ha). The grain yield (36.88 q/ha) of maize significantly higher under green maturing biomass mulching as compared to other mulching practices. The minimum grain yield (28.78 q/ha) was recorded in no mulching practice in pooled results of two years.

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