Factors affecting the infiltration of agricultural soils: review – IJAAR

Farzad Haghnazari, Hassan Shahgholi, Mehdi Feizi

Department of Agriculturer Management, Miandoab Branch, Islamic Azad University Miandoabm, Iran

Key words: Infiltration, Organic matter, Soil Texture, Water Quality, Soil Moisture Content.

Abstract

Soil infiltration refers to the soil’s ability to allow water movement into and through the soil profile. It allows the soil to temporarily store water, making it available for uptake by plants and soil organisms. The infiltration rate can be restricted by poor management. Under these conditions, the water does not readily enter the soil and it moves downslope as runoff or ponds on the surface, where it evaporates. Thus, less water is stored in the soil for plant growth, and plant production decreases, resulting in less organic matter in the soil and weakened soil structure that can further decrease the infiltration rate. Runoff can cause soil erosion and the formation of gullies It also carries nutrients and organic matter, which, together with sediment, reduce water quality in streams, rivers, and lakes. Excessive runoff can cause flooding, erode stream banks, and damage roads. Runoff from adjacent slopes can saturate soils in low areas or can create ponded areas, thus killing upland plants. The soil and vegetation properties that currently limit infiltration and the potential for increasing the infiltration rate must be considered in any management plan. Suggested that management strategies such as increase the amount of plant cover, especially of plants that have positive effects on infiltration, decrease the extent of compaction by avoiding intensive grazing and the use of machinery when the soils are wet, be considered. This paper investigates the influence of water in the soil and its influencing factors to be studied.

Get the original articles in Source: Volume 6, Number 5, May 2015 – IJAAR

Journal Name: International Journal of Agronomy and Agricultural Research (IJAAR)

Published By: International Network for Natural Sciences

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