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- 저자 : 강안석 ( A. S. Kang ) (검색결과 2 건)
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김세원 ( S. W. Kim ),서영호 ( Y. H. Seo ),안문섭 ( M. S. Ahn ),강안석 ( A. S. Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2011 강원 농업생명환경연구 Vol.23 No.3
In order to improve soil quality of mountainous highland in Gangwon province, green manure cultivation is necessary rather than continuous cultivation of the same crops. One of the difficulties to grow green manure in the region is increase in soil hardness in spring after wintering of rye, the current major green manure. The objectives of the study were to select proper green manure plants suitable to environment of mountainous highland and to compare the application effect of the green manure with rye. Hairy vetch, wheat, and rye showed relatively high survival rate (greater than 35%) and plant height (greater than 45 cm) after winter compared with the other seven green manures. Rye and wheat increased soil penetration resistance to 2.7 and 3.0 MPa, respectively. Although yields of hairy vetch and wheat were less than that of rye, greater contents of nitrogen and calcium for the two green manures than the contents of rye indicated comparable nutrient supply to the following crops. The application effects of hairy vetch and wheat on soil chemical characteristics and Chinese cabbage yield were not significantly different from those of rye. The results obtained in the study implied that hairy vetch and wheat could substitute rye as a green manure for mountainous highland in Gangwon province.
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고랭지감자 재배지 양분 과다 및 불균형 해소를 위한 제언
서영호 ( Y. H. Seo ),안문섭 ( M. S. Ahn ),강안석 ( A. S. Kang ),정영상 ( Y. S. Jung ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2011 강원 농업생명환경연구 Vol.23 No.3
The use of complex fertilizer for potato containing relatively high content of phosphate compared with nitrogen and potassium may attribute to high content of available phosphate of soil cultivating potato in mountainous highland. This experiment was conducted at two sites of a farm in Pyeongchang, one of the major potato cultivating county in Korea, in order to examine the effect of recommended fertilization on yield and quality of potato and soil chemical characteristics. Significant difference in growth and yield characteristics of potato was not observed between fertilization based on soil testing and conventional fertilization of potato cultivating farms. Recommended fertilization resulted in relatively low content of available phosphate and exchangeable potassium in soil in comparison with conventional fertilization. Solid and starch contents of potato for recommended fertilization were not significantly different from those for conventional fertilization. The results obtained from the study imply that fertilization based on soil testing or customized fertilization may improve soil characteristics and ensure yield and quality of potato.
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