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Distribution of Micronutrients in Plastic Film House Soils of Yeongnam Province
Jong-Bae Chung(정종배),Bok-Jin Kim(김복진),Kwan-Sig Ryu(유관식),Seung-Ho Lee(이승호),Hyun-Jin Shin(신현진),Tae-Kyung Hwang(황태경),Hee-Youl Choi(최희열),Yong-Woo Lee(이용우),Yoon-Jeong Lee(이윤정),Jong-Jib Kim(김종집) 한국토양비료학회 2006 한국토양비료학회지 Vol.39 No.4
정종배 ( Jong Bae Chung ),김복진 ( Bok Jin Kim ),유관식 ( Kwan Sig Ryu ),이승호 ( Seung Ho Lee ),신현진 ( Hyun Jin Shin ),황태경 ( Tae Kyung Hwang ),최희열 ( Hee Youl Choi ),이용우 ( Yong Woo Lee ),이윤정 ( Yoon Jeong Lee ),김종집 한국환경농학회 2006 한국환경농학회지 Vol.25 No.3
Micronutrient status in soils and crops of plastic film house and their relationship were investigated. Total 203 plastic film houses were selected (red pepper, 66; cucumber, 63; tomato, 74) in Yeongnam region and soil and leaf samples were collected. Hot-water extractable B and 0.1 N HCl extractable Cu, Zn, Fe, and Mn in soil samples and total micronutrients in leaf samples were analyzed. Contents Zn, Fe, and Mn in most of the investigated soils were higher than the upper limits of optimum level for general crop cultivation. Contents of Cu in most soils of cucumber and tomato cultivation were higher than the upper limit of optimum level, but Cu contents in about 30% of red pepper cultivation soils were below the sufficient level. Contents of B in most soils of cucumber and tomato were above the sufficient level but in 48% of red pepper cultivation soils B were found to be deficient. Micronutrient contents in leaf of investigated crops were much variable. Contents of B, Fe, and Mn were mostly within the sufficient levels, while in 71% of red pepper samples Cu was under deficient level and in 44% of cucumber samples Cu contents were higher than the upper limit of sufficient level. Contents of Zn in red pepper and cucumber samples were mostly within the sufficient level but in 62% of tomato samples Zn contents were under deficient condition. However, any visible deficiency or toxicity symptoms of micronutrients were not found in the crops. No consistent relationships were found between micronutrient contents in soil and leaf, and this indicates that growth and absorption activity of root and interactions among the nutrients in soil might be important factors in overall micronutrient uptake of crops. For best management of micronutrients in plastic film house, much attention should be focused on the management of soil and plant characteristics which control the micronutrient uptake of crops.