2007•Yunnan Nongye Daxue xuebaoRequires access

Study on Relationship between Alfalfa's Yields and Interaction Effect of Nitrogen,Phosphorus and Potassium Fertilizer

XU Yue-fei

Abstract

An experiment was carried out in field to study the effect of the fertilization on yield of alfalfa(Medicago sativa).We screen out alfalfa of USA WL-232HQ as preferred planting variety and the best fertilization design that Urea is not fertilized,Calcium superphosphate and potassium sulfate is 907.80 kg/hm2 and 1 320.00 kg/hm2 respectively in Tongliao region.

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Key concepts: Medicago sativa, Agronomy, Potassium, Phosphorus, Human fertilization, Sowing, Urea, Potassium sulfate