Nitrogen Use and Yield of Silage Corn as Affected by Hairy Vetch (Vicia villosa Roth) Soil-incorporated at Different Time in Spring
2000
Seo Jong-Ho | Hur Il-Bong National Crop Experiment Station, RDA, Suwon (Korea Republic)
Winter green manure crops including legume increase grain yield of subsequent crop and substitute N fertilizer requirement with organic-N. Hairy vetch grows vigorously and can provide N-rich green manure for corn with its soil incorporation after wintering. But, grain yield of corn as succeeding crop would be reduced of its planting time is delayed until late spring. This experiment was carried out to find the proper incorporation time of hairy vetch green manure and planting time of subsequent corn in cropping system with winter hairy vetch(green manure)-summer corn.
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