evaluation of the nitrogen production potential of hairy vetch (Vicia villosa R.) and Crimson clover (Trifolium incarnatum L.) in mulch-planted corn

An evaluation of the nitrogen production potential of hairy vetch (Vicia villosa R.) and Crimson clover (Trifolium incarnatum L.) in mulch-planted corn Trinidad Santos, Antonio. creator text Raleigh, N.C The author 1978 monographic 291 h. : gráfs. Tesis (Doctor of Philosophy) -- North Caroline State uUniversity at Raleigh Abonos verdes Abonos Efecto en maiz Rotación de cultivos Trifolium incarnatum Vicia villosa 51920 971013 20220329140433.0