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Home  >  Soils & Compost  >   Drought Resistant Soil (Summary)

Drought Resistant Soil


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Digital Price:

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Print Price

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By Preston Sullivan

Published 2002

Updated 2002

© NCAT

IP169

7 pages


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Introduction

To minimize the impact of drought, soil needs to capture the rainwater that falls on it, store as much of that water as possible for future plant use, and allow for plant roots to penetrate and proliferate. These conditions can be achieved through management of organic matter, which can increase water storage by 16,000 gallons per acre foot for each 1% organic matter. Organic matter also increases the soil's ability to take in water during rainfall events, assuring that more water will be stored. Ground cover also increases the water infiltration rate while lowering soil water evaporation. When all these factors are taken together the severity of drought and the need for irrigation are greatly reduced.

Table of Contents

Introduction
Texture
Aggregation
Organic Matter and Water-Holding Capacity
Ground Cover
Farmer Profiles
Summary
References

Note: Digital downloads are in full color. Printed, mailed copies are only available in black & white.

 

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This page was last updated on: August 5, 2013