These experiments were conducted to confirm suitable covering materials and windbreak crop in old nut-planted mountain to tea tree(Camellia sinensis L.) farm at Gyeongnam ARES field for 2 years from 2000 to 2001 at Gyeongnam ARES. Germination ration of heat conservation cover and BPEF was excellent. It was moree than any other mulching material. and matured seedling ratio of BPEF was 74.3%. It was best safe. The leaf area per hill of BPEF plot was more wide than that of control. It was 1.211㎠. However, leaf area was narrow with heat-conservation cover mulching treatment. Considering whole the growth of tea tree affected by different treatments, best was by BPEF mulching and worst by heat-conservation cover mulching showing significant differences among treatments. Management cost by alternating from old nut-planted mountain to tea-planted garden was saved by 31% with BPEF mulching as compared to control.
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