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Abstract                 Volume:6  Issue-11  Year-2018          Original Research Articles


Online ISSN : 2347 - 3215
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Impact of Land Configurations on Runoff and Soil Loss under Rainfed Conditions
M.P. Sathe, A.U. Surwase, Pradip Dalvi and S.M. Taley
Post Graduate Institute, Dr. Pajabrao Deshmuk Krishi Vidyapeeth Akola, India
*Corresponding author
Abstract:

Rainfed agriculture to great extent depends on water saving technologies. Efficient rainwater management is crucial to rainfed agriculture.Soil and water conservation measures are basic resources essential for survival of human kind on earth. In fact every kind of farm activity is connected with land and prosperity of nation depends on quality of its and resources. Water is most limiting natural resources in semi-arid region. In most of the areas only water available is rain water. Due to inadequate and uneven distribution of rainfall during growth span of crop, it becomes essential to supply water to plant by adopting In situ soil conservation measures for increasing water use efficiency. In order to study the in situ soil and water conservation measures for cotton and the impact of soil and water conservation measures in terms of increase in soil moisture content, biometric observations, moisture use and production efficiency, reduction in runoff, soil and nutrient losses, three land configurations were studied for soil-water management, viz Cultivation along the slope with opening of tide furrow (T1), Contour cultivation with opening of alternate furrow (T2) and Contour cultivation with opening of ridges and furrows (T3).The present investigation revealed that the treatment T3 was more prominent and favourably influenced the crop growth, soil moisture, moisture use and production efficiency, cost benefit ratio due to the drastic change in the runoff hydrograph characteristics and reduction in runoff, soil loss and nutrient losses, followed by treatment T2 over the treatment T1. In the context of above results, it is concluded that the In situ soil and water conservation measures is the need of day in rainfed agriculture for the management of erratic and vagarious rainfall under the changing climatic conditions. To study the rainfall characteristics like duration, intensity classification, frequency distribution of rainy days, kinetic energy of rainstorms and erosion index, it revealed that out of 47 rainy days, 41 rainy days were commenced with rainfall intensity <25 mmhr-1 and 6 rainy days were commenced with 25-50 mmhr-1 rainfall intensity

Keywords: Land configurations, Runoff and soil loss, Rainfed conditions.
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How to cite this article:

Sathe, M.P., A.U. Surwase, Pradip Dalvi and Taley, S.M. 2018. Impact of Land Configurations on Runoff and Soil Loss under Rainfed Conditions.Int.J.Curr.Res.Aca.Rev. 6(11): 39-47
doi: https://doi.org/10.20546/ijcrar.2018.611.005