2013•Journal of Agricultural Science Yanbian UniversityRequires access

Effect of nitrogen,phosphorus and potassium under different cultivation method on Oenanthe avanica (BL.) DC yield and nutrient utilization

Jin Long-fa

Abstract

By the means of water layer cultivation and anhydrous layer cultivation,effect of nitrogen,phosphorus and potassium on Oenanthe avanica(BL.)DC yield and nutrient utilization were researched.The results showed that yield and root activity had positive correlation with nutrient concentrations of N,P and K,and yield under water layer cultivation was high than under anhydrous layer cultivation.Water layer cultivation can improve nutrient utilization of nitrogen;anhydrous layer cultivation can improve nutrient utilization of potassium.Different cultivation methods on nutrient utilization of phosphorus had little effect.

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Key concepts: Anhydrous, Nutrient, Phosphorus, Potassium, Nitrogen, Yield (engineering), Agronomy, Chemistry