华中农业大学学报2025，Vol.44Issue(4)：68-78,11.DOI:10.13300/j.cnki.hnlkxb.2025.04.007
2种改良剂配施对酸性土壤养分、酶活性及辣椒养分吸收的影响
Effects of two amendment formulations on nutrients,enzyme activity and absorption of nutrient by chili peppers in acidic soils
摘要
Abstract
Chili pepper was used to conduct a pot experiment to study the effects of Trichoderma har-zianum and dolomite,and the combined application of both on the improvement of acidic soils.A two-fac-tor and three-level orthogonal experiment(Trichoderma harzianum applied at 0 g/pot,3 g/pot and 6 g/pot,and dolomite applied at 0 g/kg,3 g/kg,and 6 g/kg)was designed to result in 9 treatment groups including H0S0,H3S0,H6S0,H0S3,H3S3,H6S3,H0S6,H3S6 and H6S6.The results showed that the combined application of Trichoderma harzianum and dolomite significantly increased soil pH.The H6S6 had the highest content of organic matter in soil.The combined application of Trichoderma harzianum and dolo-mite increased the content of alkaline-hydrolyzable nitrogen in soil,and the high-dose combination of Trich-oderma harzianum with dolomite(H6S3,H6S6)significantly increased the content of available phosphorus.The combined application of high-dose dolomite and high-dose Trichoderma harzianum significantly in-creased the content of total nitrogen and urease activity in soil.Compared with the control group(H0S0),the content of total nitrogen in the H6S6 treatment increased by 213.50%and the activity of urease in the H6S6 treatment enhanced by 61.97%.In terms of the absorption of nutrient by chili peppers,the content of total nitrogen and total phosphorus in the fruits in H3S3 treatment was the highest,significantly increased by 32.32%and 292.37%compared with that in H0S0(CK).It is indicated that the combined application of Trichoderma harzianum and dolomite can effectively improve the nutrient status in acidic soils and the ac-tivity of enzyme in acidic soils,and promote the absorption of nutrient by chili peppers,with the H6S6 treat-ment having the best performance in terms of comprehensive benefits.It will provide a scientific basis for the improvement of acidified soil.关键词
酸性土壤/哈茨木霉菌/白云石/土壤养分/土壤酶活性/辣椒Key words
acidic soil/Trichoderma harzianum/dolomite/nutrients in soil/activity of enzyme in soil/chili pepper分类
农业科技引用本文复制引用
赵瑶瑶,彭雄,周金燕,陈琳娜,曹红亮,胡红青,夏文建,林杉..2种改良剂配施对酸性土壤养分、酶活性及辣椒养分吸收的影响[J].华中农业大学学报,2025,44(4):68-78,11.基金项目
国家重点研发计划项目(2021YFD1901202) （2021YFD1901202）
江西省现代农业科研协同创新专项(JXXTCXQN202210) （JXXTCXQN202210）
中国电建集团昆明勘测设计研究院有限公司重点研发项目(KD-KJRW2023-011) （KD-KJRW2023-011）
