Studies on Leucaena as green leaf manure with sub optimal levels of N on N economy in rice revealed that combined application of Leucaena @ 101.ha' along with 50 kg N recorded equal grain yield to that of recommended level of 100kg ha''N. The combined application of Leucaena with 75kg N ha' was found to be significantly superior in recording higher grain yield over the recommended level of 100kg N ha-1.
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