International Journal of Agricultural Engineering

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Nutrient Dynamics as Influenced by Different Levels of Drip and Surface Irrigation Methods in the Rhizosphere of Beetischolar_main Crop under Saline Vertisols


Affiliations
1 Department of Agricultural Engineering, College of Agriculture, Hanumanamatti, Haveri (Karnataka), India
2 Department of Soil and Water Conservation Engineering, Agricultural Engineering College and Research Institute (T.N.A.U.), Coimbatore (T.N.), India
3 College of Agricultural Engineering, Raichur (Karnataka), India
4 Krishi Vigyan Kendra, Chitradurga (Karnataka), India
     

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A study was conducted at the Agricultural Research Station, Gangavati, in northern Karnataka, India during Rabi/summer, 2007-'08 and 2008-'09 with beetischolar_main (Beta vulgaris) as the test crop in saline vertisol. During both the year and irrespective of the soil salinity levels slightly higher nitrogen was observed at 15 cm away from the dripper point compared to either at the dripper point or distances beyond 15 cm from the dripper point. The magnitude of available nutrients decreased vertically with increase in soil depth. The drip irrigation scheduled at 1.2 ET resulted in the maximum tuber yields of 19.43 and 18.91 t ha-1 during 2007-'08 and 2008-'09, respectively. Among the salinity levels, the highest tuber yield of 18.23 and 17.89 t ha-1 were recorded in salinity level-I, respectively. Whereas among the surface irrigation levels, irrigation at 1.2 ET recorded the highest tuber yields of 12.2 and 11.84 t ha-1, respectively.

Keywords

Drip, Surface Irrigation, Vegetable, Beetischolar_main, Soil Salinity, Potassium Distribution.
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  • Nutrient Dynamics as Influenced by Different Levels of Drip and Surface Irrigation Methods in the Rhizosphere of Beetischolar_main Crop under Saline Vertisols

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Authors

Subhas Balaganvi
Department of Agricultural Engineering, College of Agriculture, Hanumanamatti, Haveri (Karnataka), India
M. V. Ranghaswami
Department of Soil and Water Conservation Engineering, Agricultural Engineering College and Research Institute (T.N.A.U.), Coimbatore (T.N.), India
P. Balakrishnan
College of Agricultural Engineering, Raichur (Karnataka), India
S. B. Salimath
Krishi Vigyan Kendra, Chitradurga (Karnataka), India

Abstract


A study was conducted at the Agricultural Research Station, Gangavati, in northern Karnataka, India during Rabi/summer, 2007-'08 and 2008-'09 with beetischolar_main (Beta vulgaris) as the test crop in saline vertisol. During both the year and irrespective of the soil salinity levels slightly higher nitrogen was observed at 15 cm away from the dripper point compared to either at the dripper point or distances beyond 15 cm from the dripper point. The magnitude of available nutrients decreased vertically with increase in soil depth. The drip irrigation scheduled at 1.2 ET resulted in the maximum tuber yields of 19.43 and 18.91 t ha-1 during 2007-'08 and 2008-'09, respectively. Among the salinity levels, the highest tuber yield of 18.23 and 17.89 t ha-1 were recorded in salinity level-I, respectively. Whereas among the surface irrigation levels, irrigation at 1.2 ET recorded the highest tuber yields of 12.2 and 11.84 t ha-1, respectively.

Keywords


Drip, Surface Irrigation, Vegetable, Beetischolar_main, Soil Salinity, Potassium Distribution.

References