Effects of Different Application Rates and Species of Phosphate Fertilizer on Pepper
LIU Li,SUN Rui-feng,XIAO Hou-jun,ZHOU Rui-rong
(Soil and Fertilizer Institute of Guizhou Academy of Agricultural Sciences,Guiyang 550006,China)
Abstract: The effects of different application rates and species of phosphate fertilizer on pepper were studied with pot culture experiment. The results showed that the growth of pepper was severely constrained by no phosphate fertilizer application, pepper yield was only 7.5%~11.6% of the normal application of phosphate fertilizer. Applying phosphate fertilizer could significantly increase the growth and yield of pepper and different phosphate fertilizer had different yield increasing effect. When applying the same amount of phosphorus, the yield increase of pepper was the best in the treatment of calcium superphosphate, followed by calcium and magnesium phosphate treatment, the worst in the treatment of calcium hydrogen phosphate.
Key words: phosphate fertilizer; pepper; application effects