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Effect of Soil Management Practices on Runoff and Infiltration Processes of Hardsetting Alfisol in Semi-Arid Tropics

author(s) Rao, K P C - Cogle, A L - Srinivasan, S T - Yule, D F - Smith, G D
from International Crops Research Institute for the Semi-Arid Tropics (ICRISAT)
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Rao, K P C and Cogle, A L and Srinivasan, S T and Yule, D F and Smith, G D (1994) Effect of Soil Management Practices on Runoff and Infiltration Processes of Hardsetting Alfisol in Semi-Arid Tropics. In: 8th ISCO Conference, 1994, New Delhi, India
Effect of Soil Management Practices on Runoff and Infiltration Processes of Hardsetting Alfisol in Semi-Arid Tropics

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Abstract

Alfisols oi Semi-Arid Tropics (SAT) are often chiiractcriscd as structurally unstable (EL-Swaify et 31.. 1905). Under the impact of raindrops the structural instability leads to formation of a seal on the surface. The surface seals rcducc infiltration and increase runoff (Moore, 1981 1. As a result, plant-available water in the profile gets reduced. In most of the SAT Alfisols crop yields arc constrained by the plant-available water

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