Metabolites in the shoot and root identified by LC-MS under sole nitrate, 75/25 nitrate and ammonium ratio supply, and sole ammonium supply in 12d for maize (Zhengdan 958) seedlings in hydroponic cond
Three month-old rooted cuttings of Taxus mairei clones T1, Nj11, K3, and Wx were grown hydroponically in 1/10 and 1/20 strength of Johnson&rsquos nutrient solution (JS) for 6, 9 and 11 months at which