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계분퇴비와 천연무기질 자재를 활용한 고랭지배추 비가림 유기재배 시 시용질소의 이용률과 배추의 생육
김기덕,권영석,유동림,이종남,서종택,Kim, Ki-Deog,Kwon, Yeong-Seok,Yoo, Dong-Lim,Lee, Jong-Nam,Seo, Jong-Taek 한국유기농업학회 2013 韓國有機農業學會誌 Vol.21 No.1
This study was carried out to evaluate nitrogen availability of applied fertilizer and to investigate yield and growth of Korean kimchi cabbage as affected by amount of fertilizer and soil fertility in organic farming applied various fertilizers in rainshelter. The head weight of Korean kimchi cabbage cultured in infertile soil (sand loam) with no amendments was very low. and that in fertile soil (clay loam) was higher than in infertile soil (sand loam). The head weight of Korean kimchi cabbage as affected by amount of fertilizer was more variable in infertile soil (sand loam) than in fertile soil (clay loam). Nitrogen availability of applied fertilizer by Korean kimchi cabbage was lower in fertile soil (clay loam) than in infertile soil (sand loam) and the lower that was, the more fertilizer applied. By application of poultry manure compost 20Mg ha-1 and natural mineral materials such as guano, phosphate rock, and potassium magnesium rock equal to amount of fertilizer recommended in conventional farming, the yield of Korean kimchi cabbage in infertile soil (sand loam) with 1% organic matter came up to 90% of the yield in fertile soil (clay loam) with 6% organic matter. Therefore natural mineral materials such as guano for N source, phosphate rock for P source, and potassium magnesium rock for K source may be able to use as environmental-friendly fertilizers in organic Korean kimchi cabbage production in highland. 비가림하우스에서 고랭지배추 유기재배 시 시용량 및 토양비옥도에 따른 시용질소의 이용률과 배추의 수량성을 검토하였다. 무비구에서의 구중은 사양토 토양에서 현저히 낮았으며, 비옥도가 낮은 사양토에 비해 비옥도가 높은 식양토에서 높았다. 시비량에 따른 구중의 변화는 비옥도가 높은 식양토에 비해 비옥도가 낮은 사양토에서 더 크게 나타났다. 질소이용률은 토양의 비옥도가 높고, 질소시비량이 많을수록 낮았다. 질소함량 1%의 사양토에서도 계분퇴비 2톤/10a과 표준시비량 수준의 천연무기질자재의 시용으로 질소함량 6%의 식양토의 약 90% 수준의 수량을 나타냈다. 질소, 인산, 및 칼리질 천연광물자원인 구아노, 인광석 및 황산가리고토 등은 친환경 자재로서 균형적 시비를 꾀하는 유기재배에서 널리 활용될 수 있을 것으로 보인다.
김기덕(Ki Deog Kim),이승호(Seung Ho Lee) 한국지역지리학회 2001 한국지역지리학회지 Vol.7 No.3
본 논문에서는 제주도의 기후 자료와 문헌 자료, 현지 답사 자료를 분석하여, 기후 특성과 관련된 제주도의 민가 특성을 파악하고자 하였다. 여름철의 강수와 습도는 한라산 남쪽의 민가에, 겨울철의 바람은 한라산의 북쪽 민가에 영향을 미쳤다. 축굽은 강수와 관련이 있으며 제주도 전역에 분포한다. 재창문은 여름철 습도가 높은 한라산의 남쪽에 분포한다. 겹집 구조와 낮은 처마, 완만한 경사의 지붕, 돌담 등은 제주도 전역에 분포하며, 강한 바람과 관련 있다. 겨울 계절풍이 강한 한라산 북쪽에는 이중문이 보편적이며, 북쪽 해안지역에서는 이문간이 추가된다. 외벽, 풍채, ㄱㆍ랑채 등은 강한 바람과 동시에 많은 강수에 대비한 것이다. ㄱㆍ랑채는 한라산 북쪽 전지역과 한라산의 남동쪽에 분포한다. 한라산 남쪽의 민가가 한라산 북쪽의 것보다 개방적이다. 한라산 북쪽의 민가는 이문간의 유무에 의해 해안형과 중산간형으로 구분할 수 있으며, 한라산 남쪽에서는 ㄱㆍ랑채 시설의 빈도에 의해 동부형과 서부형으로 구분된다. This paper examined characteristics of folk houses related to climate in Cheju island using climate data, documents and field survey data. Precipitation and humidity affect characteristics of folk houses in the southern parts of the island during summer while in winter, northern parts are mainly affected by wind. Chuck-gub has been shown through all over Cheju island due to the characteristics of precipitation. Jaechangmoon exists in southern parts of the island and these parts are experienced high humidity in summer. The double-row room houses, the low eaves, gentle slop roof and stone wall are distributed through Cheju island and is related to wind. The double door is common in the northern parts because of strong winter monsoon, and Yimoonkan exists in the coastal area of the northern parts. Outer wall, Pung-Che and Gorangche are affected by winter monsoon and abundant precipitation. Gorangche has shown through both the northern parts and southeastern parts. Folk houses in the southern parts are more open than in northern parts. Folk houses in the northern parts are divided into the coastal type and the piedmont type. In the southern parts, they are subdivided the eastern type and the western type by the appearance of Gorangche.
김기덕 ( Kim Ki-deog ),이병일 ( Lee Byoung-yil ),강용구 ( Kang Yong-koo ),문보흠 ( Mun Bo-heum ),홍상근 ( Hong Sang-keun ),홍석우 ( Hong Seok-woo ),배용수 ( Bae Yong-soo ) 한국유기농업학회 1999 韓國有機農業學會誌 Vol.8 No.1
In order to investigate the growth of water dropwort grown by sandculture irrigated with recirculated tilapia aquaculture water, these experiments were carried out. Fish(tilapia) production and biofiltration provided by sand cultured water dropwort (Oenanthe stolonifera DC.) were linked in a closed system of recirculating water. Water dropwort was irrigated with water drawn from the tilapia tank and drainage from sand beds was returned to the fish tank. The temperature, pH and EC of tilapia culture water were stable. The growth of water dropwort grown by sandculture with aquaculture water was normal. Microbial activity of the biofilterbed irrigated by tilapia rearing water was higher than that of biofilterbed irrigated by tapwater. The feasibility of an integrated, recirculatory system for concurrent production of water dropwort and fish with no additional fertilization application was demonstrated.
시설재배토양에서 돈분뇨정화처리수 관비가 고추의 생육, 수량 및 토양화학성에 미치는 영향
김기덕 ( Kim Ki-deog ),이병일 ( Lee Byoung-yil ),박창규 ( Park Chang-kyu ),원선이 ( Won Sun-nee ),유창재 ( Yoo Chang-jae ) 한국유기농업학회 1999 韓國有機農業學會誌 Vol.7 No.2
This study was conducted to investigate the effects of fertigation level such as 50%, 75% and 100% N of standard amount of chemical fertilizer, and fertigation interval such as every irrigation, intervals of 1 and 2 weeks of piggery waste water(PWW) on the growth, yield of red pepper plant and the chemical properties of soil used. In early stage, growth of red pepper plant fertigated with PWW and that of red pepper plant applicated standard chemical fertilezer was the same, while it were increased as increasing application amounts of PWW, and later growth and total yield of red pepper plant were much more at 75% N fertigation of PWW. Inorganic content such as nitrogen, phosphate and potassium and chlorophyll content of red pepper leaves were increased as increasing fertigation amount of PWW. 50% fertigation level showed the lowest rate of fruit setting of red peper plant. For soil chemical properties, pH was slightly decreased, but available P<sub>2</sub>O<sub>5</sub>,and exchangeable K content were increased as increasing fertigatiai amount of PWW. Because there was not statistically significant difference in the growth, the yield of red pepper and chemicl properties of soil used according to various fertigation intervals, and no need to artificially supply PWW, therefore fertigation by single automatic system with tensiometer was thought to be better.