1.Qiandongnan National Polytechnic,Kaili,Guizhou 556000; 2.Qiandongnan Cash Crop Technology Extension Station,Kaili,Guizhou 556000; 3.People’s Government of Geyi Town of Taijiang County,Geyi,Guizhou 556307
Taking ‘Taicheng No4’ loquat as material,the effects of different levels of N-P-K base fertilizers on loquat flowering branches were studied with ‘3414’ fertilizer field test.The results showed that application of fertilizer per plant of N2P2K2(Urea 0.45 kg+Calcium magnesium phosphate 1.72 kg+Potassium chloride 0.35 kg)+50 kg of cow dung had the best effect,with larger stem diameter,more leaves,higher rates of flowering branches and fruitsetting branches no matter of centre flowering branches,lateral flowering branches or picking mark flowering branches compared to the control.Specifically,the yield of single plant was 25.1 kg,which was 14.5 kg higher than that of the control.The application level of base fertilizer was equivalent to 50 kg cow dung+1.4 kg compound fertilizer for each plant.