Integrated application of February Orchid (Orychophragmus violaceus) as green manure with chemical fertilizer for improving grain yield and reducing nitrogen losses in spring maize system in northern China
BAIJin-shun, CAOWei-dong, XIONGJing, ZENGNao-hua, GAOSong-juan, ShimizuKatsuyoshi
Integrated application of February Orchid (Orychophragmus violaceus) as green manure with chemical fertilizer for improving grain yield and reducing nitrogen losses in spring maize system in northern China
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