Effect of Poly(Vinyl Alcohol) and Polyethylene on the Growth of Red Pepper and Tomato |
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Authors: | Jea-An Lee Mal-Nam Kim |
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Affiliation: | (1) National Institute of Environmental Research, 2-1 Kyungseo-Dong, Se-Gu, Inchon, 404-170, Korea;(2) Department of Biology, Sangmyung University, 7 Hongji-dong Chongro-gu, Seoul, 110-743, Korea |
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Abstract: | Poly(vinyl alcohol) (PVA) and polyethylene (PE) were blended with a soil for cultivation, and their effects were investigated on the growth behavior of red pepper and tomato by examining the stems, the leaves, and the roots. PVA retarded the growth of red pepper significantly even at a concentration as low as 0.05%. The roots were depauperated more than the stems and the leaves. Tomato was also affected by PVA but to a lesser extent than red pepper. In contrast, the presence of both round pieces (10 mm diameter) of PE film and powdery PE influenced negligibly the growth of red pepper as well as that of tomato up to 35 wt% in soil. |
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Keywords: | Poly(vinyl alcohol) polyethylene red pepper tomato compost fertilization |
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