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The potential economic benefits from improved soil moisture data were estimated for three locations in the central Great Plains: Imperial, Nebraska; McCook, Nebraska; and Atwood, Kansas. Benefits were computed for sprinkler irrigated corn, using groundwater, on several different soils. Improved soil moisture data results in irrigators doing a better job of irrigation scheduling, leading to irrigation cost saving, a potential crop yield effect and water conservation for later use.
This publication discusses the processes above, within and below the soil that enable water to move and crops to grow, and is intended to help land users make better use and take better care of these basic resources. It aims to provide a solid basis for sound, sustainable soil moisture management. This document has been made more user-friendly by presenting a guide for field workers with activities, exercises and discussion topics in non-technical language, and by interspersing the text with illustrations and diagrams. The complete materials of this guide are included on the CD-ROM that accompanies this document
Whether yours is an irrigated orchard, vineyard, farm, or city lot-if it's on a grade of two per cent or more, you probably have an irrigation problem. When trees, vines, and other crops need water, it should be properly applied. Soil erosion must be prevented to keep land productive. The susceptibility of land to erosion during irrigation is governed by several factors: the method used, the rate at which water is applied, the cover on the soil, and the texture of the soil. There are some rather ingenious methods described in the circular - irrigation systems developed by people to meet their local problems. No doubt one or more of them can readily be adapted to meet your own situation.