International Journal of Agricultural Engineering

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Laboratory and Field Evaluation of Subsoiler-Cum-Vermicompost and Soil Amendments Applicator


Affiliations
1 Division of Agricultural Engineering, Sher-e-Kashmir University of Agricultural Sciences and Technology, Jammu (J and K), India
2 Department of Farm Machinery and Power Engineering, College of Technology, G. B. Pant University of Agriculture and Technology, Pantnagar (Uttarakhand), India
     

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A tractor drawn ‘subsoiler cum vermicompost and soil amendments applicator’ was design and developed to examine the basic concept for placement of organic manures and inorganic fertilizers in subsoil at different depth upto 400mm. The developed machine was evaluated in laboratory for discharge rate and distribution pattern of different organic manures viz., vermicompost, pressmud and FYM at three moisture states and soil amendments i.e. gypsum, lime, cement and rice husk. Prior to laboratory testing of the machine, the physical properties of materials were studied. The machine was also tested under field condition on the basis of changes in dry bulk density, specific draft and wheel slippage at 250, 300, 350 and 400 mm depths of operation.The results revealed that the bulk density was uniform throughout the soil profile after operating at 400 mm depth. The bulk density reduced to a maximum of 13.88 per cent. The specific draft for 400 mm depth of operation was found lower by 33.26 per cent than that at 250 mm depth. Whereas, the wheel slippage was found to a maximum of 21.07 per cent at the draft of 12.20 kN for 400 mm depth of operation. The results obtained during performance evaluation of developed machine on response of mustard crop have clearly revealed the advantage of subsoiling and deep placement of organic and inorganic fertilizers in terms of substantial increase in yield parameters.

Keywords

Field Evaluation, Subsoiler-Cum-Vermicompost, Soil Amendments Applicator.
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  • Laboratory and Field Evaluation of Subsoiler-Cum-Vermicompost and Soil Amendments Applicator

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Authors

J. P. Singh
Division of Agricultural Engineering, Sher-e-Kashmir University of Agricultural Sciences and Technology, Jammu (J and K), India
T. C. Thakur
Department of Farm Machinery and Power Engineering, College of Technology, G. B. Pant University of Agriculture and Technology, Pantnagar (Uttarakhand), India

Abstract


A tractor drawn ‘subsoiler cum vermicompost and soil amendments applicator’ was design and developed to examine the basic concept for placement of organic manures and inorganic fertilizers in subsoil at different depth upto 400mm. The developed machine was evaluated in laboratory for discharge rate and distribution pattern of different organic manures viz., vermicompost, pressmud and FYM at three moisture states and soil amendments i.e. gypsum, lime, cement and rice husk. Prior to laboratory testing of the machine, the physical properties of materials were studied. The machine was also tested under field condition on the basis of changes in dry bulk density, specific draft and wheel slippage at 250, 300, 350 and 400 mm depths of operation.The results revealed that the bulk density was uniform throughout the soil profile after operating at 400 mm depth. The bulk density reduced to a maximum of 13.88 per cent. The specific draft for 400 mm depth of operation was found lower by 33.26 per cent than that at 250 mm depth. Whereas, the wheel slippage was found to a maximum of 21.07 per cent at the draft of 12.20 kN for 400 mm depth of operation. The results obtained during performance evaluation of developed machine on response of mustard crop have clearly revealed the advantage of subsoiling and deep placement of organic and inorganic fertilizers in terms of substantial increase in yield parameters.

Keywords


Field Evaluation, Subsoiler-Cum-Vermicompost, Soil Amendments Applicator.

References