断氮处理提高2种氮水平水培生菜品质的效应研究
余意, 杨其长, 刘文科
Quality Improvement Efficiency of Hydroponic Lettuce after Replacement Two Nitrogen Level Nutrient Solutions by Nitrogen-free Solution
YU Yi, YANG Qi-chang, LIU Wen-ke
华北农学报 . 2015, (S1): 446 -448 .  DOI: 10.7668/hbnxb.2015.S1.081