摘要
Abstract
In order to select more suitable concentration of nutrient solution for greenhouse hydroponic lettuce growth,the floating plate hydroponic method was used,the United States big speed lettuce was taken as test material,the test of 3treatments,1control repeated,3times,was conducted.The effect of different concentrations of nutrient solution on stem length,root weigh,leaf weight and dry weight during growth period was studied.The results showed that the EC value of 2.6mS.cm-1 in nutrient solution concentration was more suitable for the growth.关键词
营养液浓度/水培/莴苣Key words
concentration of nutrient solution/water planting/lettuce分类
农业科技
