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首页> 外文期刊>Indian Journal of Weed Science >Intercropping and weed management effect on soil microbial activities in newly planted mango and citrus orchards
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Intercropping and weed management effect on soil microbial activities in newly planted mango and citrus orchards

机译：间作和杂草治理对芒果和柑桔新果园土壤微生物活性的影响

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摘要

Application of herbicides and other agro-chemicals used in agriculture affects the vital functions and population dynamics of soil microorganisms. Soil microbial population was assessed in 30 days interval up to 90 days in mango and citrus orchards. Among the treatments, intercropping of greengram-pea-greengram recorded higher bacterial population (21.7 x lO^cfu/g), was followed by intercropping of cowpea-pea-cowpea (19.5xl0''cfu/g) at 90 days after spraying. It was found that the highest fungi population was recorded in intercropping of greengram-pea-greengram combined with herbicide application treatment (14.4 x 103 cfu/g) Similarly, higher actinomycetes population was observed in intercropping of greengram-pea-greengram treatment (8.2 x 103cfu/g)followed by intercropping of cowpea-pea-cowpea (7.3 x 103cfu/g) in mango orchard. In citrus field, highest bacterial population was observed in intercropping of greengram-pea-greengram treatment (21.3 x 106cfu/g).This was followed by intercropping of cowpea-pea-cowpea (18.4 x 106 cfu/g). The maximum fungi population (14.8 x 103cfu/g) was observed in cowpea-pea-cowpea treatment and maximum actinomycetes (8.4 x 103 cfu/g) population was recorded in intercropping of greengram-pea-greengram treatment. Basal respiration was significantly more in treatments of intercropping systems. Among the treatments, intercropping of greengram-pea-greengram treatment (193 mg/kg of C02-C) had more basal respiration rate during Kharif season in mango orchard. Similar trends were observed in citrus orchard.
机译：农业中使用的除草剂和其他农用化学品的使用会影响土壤微生物的重要功能和种群动态。在芒果和柑桔园中，以30天至90天的间隔评估土壤微生物种群。在这些处理中，绿豆-豌豆-绿豆类间作记录了较高的细菌种群（21.7 x 10 ^ cfu / g），随后在喷洒后90天间cow豆-豌豆-豆间作（19.5x10'cfu / g）。结果发现，在绿豆-豌豆-绿豆套种与除草剂施用处理相结合时记录的真菌种群最高（14.4 x 103 cfu / g）。类似地，在绿豆-豌豆-绿豆草处理间种中观察到较高的放线菌种群。 103cfu / g），接着在芒果园中套种of豆-豌豆-豆（7.3 x 103cfu / g）。在柑橘田中，在绿豆-豌豆-绿豆间作处理中观察到最高细菌种群（21.3 x 106cfu / g），其次是of豆-豌豆-豆间作（18.4 x 106 cfu / g）。 cow豆-豌豆-牛w处理中观察到最大真菌种群（14.8 x 103cfu / g），绿豆-豌豆-绿豆草间作间作记录最大放线菌（8.4 x 103 cfu / g）。间作系统的处理中基础呼吸明显更多。在这些处理中，芒果园中的绿豆-豌豆-绿豆间作（193 mg / kg CO2-C）间作在哈里夫季节期间具有更高的基础呼吸率。在柑橘园中也观察到了类似的趋势。

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