Soil Enzyme Activities as Influenced by Natural, Organic and Conventional Farming Practices in Sugarcane Based Intercropping System

A field experiment was carried out in seasonal sugarcane planting at Agricultural Research Station, Hukkeri (Dist. Belagavi) during 2019-20 on medium black clay loam soils to study the effect of different farming practices, planting row arrangement and intercropping systems on soil enzyme activity o...

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Bibliographic Details
Published inEnvironment and ecology Vol. 40; no. 3D; p. 1951
Main Authors Goudra, Shivanand, Chandrashekara, C P, Gaddanakeri, S A, Hebbara, Manjunatha, Goudar, Geeta
Format Journal Article
LanguageEnglish
Published Kalyani MKK Publications 01.07.2022
Subjects
Agricultural practices
Agricultural research
Clay loam
Clay soils
Cowpeas
Cultivars
Dehydrogenase
Dehydrogenases
Enzymatic activity
Enzyme activity
Enzymes
Farming
Harvest
Harvesting
Intercropping
Loam soils
Onions
Organic farming
Phosphatase
Planting
Rhizosphere
Soils
Sugarcane
Urease
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Summary:A field experiment was carried out in seasonal sugarcane planting at Agricultural Research Station, Hukkeri (Dist. Belagavi) during 2019-20 on medium black clay loam soils to study the effect of different farming practices, planting row arrangement and intercropping systems on soil enzyme activity of sugarcane rhizosphere. Experiment was laid out in split-split plot design with eighteen treatment combinations and replicated thrice with the cultivar Co 86032. The treatments included were three farming practices such as recommended package of practices (RPP: M1), organic farming (OF: M2) and natural farming (ZBNF: M3), in sub plots two planting row arrangement viz., paired row planting (60-180-60 cm × 60 cm: S1) and wide row planting (240 cm × 60 cm: S2) and in sub plots three intercropping systems were taken viz., Sugarcane + Onion – Turmeric (I1), Sugarcane + Onion + Cowpea + Coriander + Green Chilli (I2) and Sole sugarcane (I3). The results indicated that different farming practices and intercropping systems influenced significantly on soil enzyme activities in sugarcane rhizosphere. Organic farming practice recorded higher dehydrogenase activity (34.75 and 27.69 μg TPF formed g-1 of soil day-1) and phosphatase activity (568.0 and 454.1 μg pNP g-1 of soil hr-1) at 180 DAP and at harvesting stage than RPP and natural farming. Whereas, higher urease activity was observed under RPP than organic and natural farming practices at 180 DAP and at harvesting stage. Further intercropping system, sugarcane + onion – turmeric recorded higher dehydrogenase activity (35.38 and 27.24 μg TPF formed g-1 of soil day-1) and phosphatase activity (540.2 and 456.0 μg pNP g-1 of soil hr-1) at 180 DAP and at harvesting stage than compared with other intercropping systems.
ISSN:0970-0420