迪庆州核桃复混肥应用效果研究

Study on Application Effect of Compound Fertilizer on Walnut in Diqing

[目的]分析复混肥在核桃上的应用效果。[方法]以3年生和16年生的温185核桃园为研究对象,分析不同施肥处理条件下迪庆州核桃的生长、产量。[结果]3年生树施用核桃专用复混肥比施农家肥增产594.0 kg/hm^2,比不施肥增产891.0 kg/hm^2,比施尿素增产1 287.0 kg/hm^2。施用复混肥的16年生的温185,产量为4 680.0 kg/hm^2,较不施肥增产1 320.0 kg/hm^2。施氮肥的产量最低,仅为施复混肥的60%。[结论]在核桃上施用专用复混肥,增产效果显著,可以在迪庆州推广应用。

[Objective]Application effectof compound fertilizer onwalnutwas studied.[Method]Using walnut orchardwith 3 year oldand 16 year oldWen 185 asresearch object,growth and yield of walnut of different fertilization treatments were analyzedin Diqing.[Result]The yield of applying special compound fertilizer on 3 year oldWen 185increased by594.0,891.0,1 287.0 kg/hm^2 than applyingfarmyard manure, no fertilizer,applying nitrogen fertilizer.Afterapplying special compound fertilizer on 16 year oldWen 185,the yield ofwalnutwas 4 680.0 kg/hm^2,increased by1 320.0 kg/hm^2comparisonwith no fertilizer.Yield ofwalnut was the lowest by applyingnitrogen fertilizer.The yieldwas 60% ofyield by applying special compound fertilizer.[Conclusion]Yield-increasing effectwas significant by applying special compound fertilizeron walnut.Special compound fertilizer could be popularized and applied in Diqing.