Effect of Green Manure Cultivations on Yield and Anthocyanin Content in Organic Grapevine
2015
Park, J.H., Gyeongsangbukdo Agricultural Research and Extension Services, Daegu, Republic of Korea | Park, S.J., Gyeongsangbukdo Agricultural Research and Extension Services, Daegu, Republic of Korea | Kwon, O.H., Gyeongsangbukdo Agricultural Research and Extension Services, Daegu, Republic of Korea | Choi, S.Y., Gyeongsangbukdo Agricultural Research and Extension Services, Daegu, Republic of Korea | Park, S.D., Gyeongsangbukdo Agricultural Research and Extension Services, Daegu, Republic of Korea
In sustainable viticulture, green manure represents a safe and non-polluting way to bring large quantities of organic matter into the soil. The cultivation of green manure crops plays an important role in soil quality and sustainability of agricultural system. This study was conducted to evaluate the effects of green manure fertilization on yield and quality of the Campbell Early grape variety in the organic vineyard. Hairy vetch was the more productive green manure crop, yielding higher dry materials. Average yields of grape were significantly greater in hairy vetch + rye (13.02 ton ha-1) than nature weed (11.65 ton ha-1), respectively. The concentrations of total as well as individual anthocyanins were consistently higher with hairy vetch treatment compared with rye and nature weed, thus making the green manure cultivation is an environmentally friendly cultivation to increase the yield and anthocyanin contents in organic grape.
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