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간척지에서 SCB 액비를 이용한 여름철 사료작물 재배에 관한 연구
조남철(Nam Chul Jo),신재순(Jae Soon Shin),김선호(Sun Ho Kim),윤세형(Sei Hyung Yoon),황보순(Soon Hwangbo),정민웅(Min Woong Jung),이경동(Kyung Dong Lee),김원호(Won Ho Kim),서성(Sung Seo),김종근(Jong Geun Kim),송채은(Chae Eun Song),최기춘 한국초지조사료학회 2010 한국초지조사료학회지 Vol.30 No.2
본 연구는 간척지에서 여름철 대표 사료작물인 옥수수와 수수 × 수수 교잡종의 생산성 및 화학비료와 가축분뇨의 시용시 생산성을 비교하기 위하여 2008년은 화옹간척지에서 2009년은 석문간척지에서 시험을 실시하였다. 간척지에서 사료작물의 생산성은 옥수수가 수수 × 수수 교잡종보다 높았으며 사료가치도 옥수수가 수수 × 수수 교잡종보다 높았다. 화학비료와 가축분뇨의 시용시 생산성은 옥수수의 경우 화학비료에서 높은 수량을 보였으며 수수 × 수수 교잡종의 경우 화옹간척지에서 시험한 결과 SCB 액비구에서 높았고 석문간척지에서는 돈분액비구에서 높은 수량을 보였다. 사료가치는 화학비료구와 가축분뇨 시용구에서 비슷한 결과를 나타냈다. 반면 사료작물의 생산성과 토양염류도와의 관계성은 보이지 않았다. 이상의 시험결과로 보아 간척지에서 여름철 대표사료작물인 옥수수와 수수 × 수수 교잡종의 재배가 가능하며 가축분뇨를 시용하여 재배가 가능하다고 판단되어지며 돈분액비와 SCB 액비의 경우 새로운 비료로서 대체 가능성이 있으나 추가적인 연구가 필요할 것으로 판단되어진다. Until now, The experiment about the forage crop have been almost not conducted on the reclaimed land. Therefore, this experiment was carried out in order to know productivity of summer forage crop using slurry composting-biofilteration (SCB) liquid fertilizer on reclaimed land of Hwaong and Sukmoon in korea from 2008 to 2009. The forage crops used in this experiment were corn and sorghum×sorghum hybrid which are used as summer forage crops in South Korea. The experiment was treated with chemical fertilizer (CF), swine slurry (SS) and SCB liquid fertilizer. Dry matter (DM) yield of corn was higher than those of sorghum × sorghum hybrid in both reclaimed lands but the effect of SCB liquid fertilizer was not appeared. The neutral detergent fiber (NDF) and acid detergent fiber (ADF) contents of corn were lower than those of sorghum × sorghum hybrid. The crude protein (CP) content and in vitro dry matter digestibility (IVDMD) of corn were higher than those of sorghum × sorghum hybrid. In generally feed values of corn were higher than those of sorghum × sorghum hybrid. The results of this study showed that summer forage crop cultivation using uses SCB liquid fertilizer on reclaimed land are possible.
전종길 ( Jeon Jong-gil ),이상봉 ( Yi Sang-bong ),이수장 ( Yi Su-jang ),김진영 ( Kim Jin-young ),신재순 ( Shin Jae-sun ),서성 ( Seo Seong ) 한국농공학회 2007 한국농공학회 학술대회초록집 Vol.2007 No.-
This study was carried out to examinate drainage effect of the shallow horizontal culvert which can drain off excess water quickly in rainy wet season for produce forage crops stably in the paddy. The results of this study are as follows. In the measured data of soil moisture change for 38 hours after 37㎜ rainfall, the value of soil moisture tension in untreated control plot was 21.1kPa, while values of soil moisture tension for 3m, 5m, 7m culvert interval in treated control plot were 25.9kPa, 23.1kPa, 22.4kPa, respectively. Accordingly, soil moisture of treated control plot was shown more dried soil than that of untreated control plot. also, an average value of ground water level in untreated control plot was -4.3㎝, while average values of ground water level for 3m, 5m, 7m culvert interval in treated control plot was -31.1㎝, -27.8㎝ and -21.7㎝, respectively. It shows to go down 22.6㎝ comparing an average value of ground water level in treated control plot with that of ground water level in untreated control plot.