Effects of reducing chemical fertilizer and applying biological bacterial fertilizer on the growth of chili pepper and soil nutrients

doi:10.14088/j.cnki.issn0439-8114.2023.06.005

Abstract

Abstract: Using chili pepper（Capsicum annuum L.） Longjiao No. 15 as the experimental material, four groups of experiments were set up. Group A was chemical fertilizer （control）, Group B was actinomycete fertilizer and chemical fertilizer , Group C was Bacillus subtilis fertilizer and chemical fertilizer, and Group D was composite bacterial fertilizer, amino acid water-soluble fertilizer, corn straw, and chemical fertilizer. Field experiments were conducted to explore the effects of combined application of chemical fertilizers and microbial fertilizers on the growth of chili peppers and soil nutrients. The results showed that the combination of chemical fertilizer and biological bacterial fertilizer increased the vitamin C content of pepper fruit, ensured the yield and root growth of pepper, weakened soil acidification, and achieved the effect of reducing chemical fertilizer application.B1 treatment （150 kg/hm² of actinomycete fertilizer+600 kg/hm² of fertilizer）, C1 treatment （30 kg/hm² of Bacillus subtilis fertilizer+600 kg/hm² of fertilizer）, and D2 treatment （30 kg/hm² of composite bacterial fertilizer+30 kg/hm² of amino acid water-soluble fertilizer+7 500 kg/hm² of straw+600 kg/hm² of fertilizer） were the optimal ratios for pepper production within the group.

Key words: chili pepper（Capsicum annuum L.）, biological bacterial fertilizer, yield, soil nutrient

CLC Number:

S641.3

HE Wei, ZHANG Hui, JIANG Ye. Effects of reducing chemical fertilizer and applying biological bacterial fertilizer on the growth of chili pepper and soil nutrients[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(6): 23-28.

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