Effects of different biological fertilizers on the yield and quality of broc-coli under continuous cropping
In this study,broccoli vegetable plots with 4 crops for 2 years were used as the research object,and a field culti-vation experiment was conducted to comprehensively evaluate the effects of different biological fertilizer(using the con-ventional fertilizer as the control)on the growth and development of broccoli and soil improvement from the perspectives of growth,quality,yield,rhizosphere soil nutrients and microbial population changes,providing reference for the large-scale application of biological fertilizer.The results showed that compared to CK,the combined application of Jinlin-men biofertilizer(T5)significantly increased the content of alkali-hydrolytic nitrogen and Beite biofertilizer(T6)signifi-cantly increased the content of available potassium.Compared to CK,the application of biofertilizer had a significant ef-fect on protease activity,but the application of Futuguikang and Beite biofertilizer significantly increased the activity of soil protease and sucrase.The combined application of biofertilizer had varying effects on the quality indicators of brocco-li,with weak regularity.However,the combined application of"Beite"biofertilizer could reduce nitrate content by 3.90％to 22.44％.When compared to CK,the application of Haizaojundongli biofertilizer significantly increased the number of bacteria,fungi and actinomyces in continuous cropping soil.There was no significant difference in plant height between the application of Beite biofertilizer and the CK,except for a significantly higher projected area of plant width during the rosette stage.In summary,under the conditions of this experiment,Beite biofertilizer had better effects on the growth,quality,yield,and soil improvement of continuous cropping of broccoli.
万方数据
维普
