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Changes in Soil Chemical and Biological Properties as Influenced by Organic Nutrient Management Practices under Rainfed Condition


Affiliations
1 Department of Soil Science, Punjab Agricultural University, Ludhiana (Punjab), India
2 Main Agricultural and Horticultural Research Station, Iruvakki, Anandapuram, Sagara, Shivamogga (Karnataka), India
3 Department of Agronomy, ZAHRS, UAHS, Shivamogga (Karnataka), India
     

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A field experiment was conducted to study the effect of organic manures and fermented liquid organic formulations on growth, on soil chemical and biological properties under rainfed condition at Organic Farming Research Centre, Zonal Agricultural and Horticultural Research Station (ZAHRS), Navile, Shivamogga, during Kharif 2018-19. The experiment was laid out in Randomized Block Design with ten treatments comprising of different bulky organic manures (FYM and Vermicompost) and fermented liquid organic formulations (Beejamrutha, Jeevamruta, Panchagavya and Cow urine) were replicated thrice, French bean variety Arka sharath taken as a test crop. Experimental results revealed that, among various treatments, at harvest significantly higher soil pH (6.10), electrical conductivity (0.092 dS m-1) and organic carbon (4.60 g kg-1) status were observerd with application of Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1) + 100 % RDN through vermicompost + Foliar spray of Panchagavya @ 3 % (T6) over treatment which received Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1). The available nitrogen (296.80 kg ha-1), phosphorus (98.61 kg ha-1), potassium (173.18 kg ha-1), exchangeable Ca, Mg, available sulphur and DTPA-extracted micro nutrients (Zn, Cu, Fe and Mn) status were significantly higher at harvest stage in treatment which received Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1) + 100 % RDN through vermicompost (T3). Dehydrogenase, acid phosphatase and urease activities in soil at different growth stages of french bean were significantly increased in all treatments due to application of organic sources over control which received Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1).

Keywords

Vermicompost, Beejamrutha, Panchagavya, Jeevamruta, FYM.
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  • Changes in Soil Chemical and Biological Properties as Influenced by Organic Nutrient Management Practices under Rainfed Condition

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Authors

N. J. Gowthamchand
Department of Soil Science, Punjab Agricultural University, Ludhiana (Punjab), India
Ganapathi
Main Agricultural and Horticultural Research Station, Iruvakki, Anandapuram, Sagara, Shivamogga (Karnataka), India
T. M. Soumya
Department of Agronomy, ZAHRS, UAHS, Shivamogga (Karnataka), India

Abstract


A field experiment was conducted to study the effect of organic manures and fermented liquid organic formulations on growth, on soil chemical and biological properties under rainfed condition at Organic Farming Research Centre, Zonal Agricultural and Horticultural Research Station (ZAHRS), Navile, Shivamogga, during Kharif 2018-19. The experiment was laid out in Randomized Block Design with ten treatments comprising of different bulky organic manures (FYM and Vermicompost) and fermented liquid organic formulations (Beejamrutha, Jeevamruta, Panchagavya and Cow urine) were replicated thrice, French bean variety Arka sharath taken as a test crop. Experimental results revealed that, among various treatments, at harvest significantly higher soil pH (6.10), electrical conductivity (0.092 dS m-1) and organic carbon (4.60 g kg-1) status were observerd with application of Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1) + 100 % RDN through vermicompost + Foliar spray of Panchagavya @ 3 % (T6) over treatment which received Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1). The available nitrogen (296.80 kg ha-1), phosphorus (98.61 kg ha-1), potassium (173.18 kg ha-1), exchangeable Ca, Mg, available sulphur and DTPA-extracted micro nutrients (Zn, Cu, Fe and Mn) status were significantly higher at harvest stage in treatment which received Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1) + 100 % RDN through vermicompost (T3). Dehydrogenase, acid phosphatase and urease activities in soil at different growth stages of french bean were significantly increased in all treatments due to application of organic sources over control which received Beejamrutha (seed treatment) + Jeevamrutha (soil application @ 500 L ha-1).

Keywords


Vermicompost, Beejamrutha, Panchagavya, Jeevamruta, FYM.

References