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What is Long-Term Fertilizer Effects on Rice about?

This study evaluated the long-term effects of organic and inorganic fertilizers on rice yields under a rice-wheat cropping system in Nepal from 1998-2003. The highest rice yield of 7.9 tons/ha was obtained from applying farmyard manure at 10 tons/ha. Applying only inorganic nitrogen fertilizer increased yields but did not sustain soil productivity over time. Application of farmyard manure improved soil nitrogen, phosphorus, and organic carbon contents compared to other treatments. Rice yields were also infl

Author

Panupong Thongprasit

Language

EN