Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)
- Volume 9 Issue 4
- /
- Pages.245-250
- /
- 1976
- /
- 0367-6315(pISSN)
- /
- 2288-2162(eISSN)
Study on the Optimum Rate of N. P. K Fertilizers for Pearl Barley(Coix Lacryma-Jobi L.)
율무 재배(栽培)에 대(對)한 삼요소(三要素) 시비적량시험(施肥適量試驗)
- Cho, Jin-Kee (College of Agriculture, Kyeongbug National University) ;
- Chang, Nam-Il (College of Agriculture, Kyeongbug National University) ;
- Choi, Jyung (College of Agriculture, Kyeongbug National University)
- Accepted : 1976.07.25
- Published : 1976.12.20
Abstract
A field study was conducted to find out the optimum level of NPK fertilizers for pearl barley (Coix Lacryma-Jobi L.). The results are sumarized as follows. 1. When all of NPK fertilizers were increased together as 0-0-0, 6-3-3, 12-6-6-6 and 18-9-9 kg/10a of NPK, the grain yield also increased lineally. 2. When the level of two other elements were fixed at 12kg/10a for N and 6kg/10a for P and K, maximum yields were obtained at 12kg/10a of N and 6kg/10a of P and K. 3. Accordingly, with present results, it is difficult to point out the optimum levels of NPK. It seemed necessary to conduct another trial with expanded NPK levels. However it can be pc pointed out that the yield of pearl barley can be increased with higher levels of NPK fertilizers than 18-9-9 kg/10a at the similar soil used for present study. 4. The antagonism phenomena were observed between N and K in plant's uptake.
율무의 재배(裁培)에서 시비량(施肥量)을 결정(決定)하는 기초(基礎) 자료(資料)를 얻기 위하여 포장시험(圃場試驗)을 실시(實施)한 결과(結果)는 다음과 같았다. 1. N,
Keywords