Effects of banana and sweet potato intercropped on soil physical and chemical properties

IF 0.7 4区 农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY Pakistan Journal of Agricultural Sciences Pub Date : 2022-01-01 DOI:10.21162/pakjas/22.702
Li Pei
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Abstract

In order to study the effect of intercropped sweet potato in banana orchard on soil physical and chemical properties, the soil nutrients, temperature, humidity and enzyme activities of sweet potato intercropped and banana monocultured were compared by using Guijiao-1 and Pushu-32 as research materials. The soil temperature of sweet potato intercropped in the 5-20cm soil layer was 0.46-4.55℃ lower than that of banana monocultures in the hot summer, but in the 10 cm and 20 cm soil layers higher with 0.37-0.97℃ than that of monocultured in October and November. The water content in 5-20cm soil layer of sweet potato intercropped was 1.42-14.55% higher than that of banana monocultured. From May to September, the activities of soil sucrase, phosphatase, catalase and urease in sweet potato intercropped were significantly higher than those in banana monocultured. The contents of soil organic matter, total nitrogen, total potassium, available nitrogen, soil available phosphorus and potassium were 10.64-37.11%, 16.35-32.04%, 4.15-9.55%, 25.39-32.15%, 3.56-8.29%, 31.16-171.04% higher than those in banana monoculture. Thus, there had positively effects on improving the soil physical and chemical properties and the activity of important metabolic enzyme in banana field by sweet potato intercropped.
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香蕉和红薯间作对土壤理化性质的影响
为研究间作甘薯对香蕉果园土壤理化性质的影响,以桂椒1号和蒲枢32号为研究材料,对间作甘薯与香蕉单作甘薯土壤养分、温度、湿度和酶活性进行了比较。在炎热的夏季,甘薯间作5 ~ 20cm土层的土壤温度比香蕉单作低0.46 ~ 4.55℃,10 ~ 20cm土层的土壤温度比单作高0.37 ~ 0.97℃。间作甘薯5 ~ 20cm土层含水量比单作香蕉高1.42 ~ 14.55%。5 ~ 9月间作甘薯土壤蔗糖酶、磷酸酶、过氧化氢酶和脲酶活性显著高于单作香蕉。土壤有机质、全氮、全钾、速效氮、速效磷、速效钾含量分别比单作香蕉高10.64 ~ 37.11%、16.35 ~ 32.04%、4.15 ~ 9.55%、25.39 ~ 32.15%、3.56 ~ 8.29%、31.16 ~ 171.04%。由此可见,间作甘薯对改善香蕉地土壤理化性质和重要代谢酶活性有积极作用。
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来源期刊
Pakistan Journal of Agricultural Sciences
Pakistan Journal of Agricultural Sciences AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
1.80
自引率
25.00%
发文量
18
审稿时长
6-12 weeks
期刊介绍: Pakistan Journal of Agricultural Sciences is published in English four times a year. The journal publishes original articles on all aspects of agriculture and allied fields.
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