Effect of Growth and Yield of Wheat, Soil Properties on Leguminous Cover Crops-Wheat Mixtures
2012
Jeon, W.T., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Seong, K.Y., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Oh, G.J., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Lee, H.B., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kim, M.T., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Lee, Y.H., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kang, U.G., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kim, S.J., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Kang, H.W., National Institute of Crop Science, RDA, Suwon, Republic of Korea
Leguminous cover crops fix nitrogen from the atmosphere. The objective of this research was carried out to decrease fertilizer amount by cover crops-wheat mixtures cultivation. Field experiment was conducted at upland soil 2008 to 2009. Cover crops were used crimson clover and hairy vetch. Treatments consisted of three wheat-crimson clover (wheat 10 kg + crimson clover 1, 3, 5 kg 10a-¹), wheat-hairy vetch mixture (wheat 10 kg + hairy vetch 2 kg 10a-¹), and wheat - hairy vetch mixture - crimson clover (wheat 10 kg + hairy vetch 2 kg + crimson clover 3 kg 10a-¹). These treatments were divided into no fertilizer and top dressing. The yield of wheat and crimson clover mixtures had no significantly differences compared to wheat only at top dressing plots. Also soil chemical and physical properties were a little bit improved such as OM, NO₃-N, and bulk density etc by wheat-crimson clover mixtures. Therefore, we suggested that crimson clover and wheat mixture could be used to reduction of fertilizers amount for environmental friendly wheat production.
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