Effect of Shading and Nitrogen Level on the Accumulation of $NO_3\;^-$ in Leaf of Lettuce(Lactuca Sativa. L.)
(차광 및 질소시비량이 상추내 질산염 함량에 미치는 영향)
-
- Korean Journal of Environmental Agriculture
- /
- v.19 no.4
- /
- pp.294-299
- /
- 2000