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Tests With A Product Having Alleged Value For Increasing Plant Available Water In Soil, Gale Dunn Jan 1989

Tests With A Product Having Alleged Value For Increasing Plant Available Water In Soil, Gale Dunn

Soil Science News and Views

Currently, there are a number of products being marketed for agricultural and horticultural use that have tremendous water absorbing properties. Some of these products are polyacrylamides which are synthetic compounds with chemical and physical properties which allow them to absorb large amounts of water relative to their dry weights. The implied advantage for use of such materials is that they can absorb more water than the soil itself, and acting like a sponge, hold more plant available water in the root zone.

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Managing Soils For Optimum Crop Production, Kenneth L. Wells Jan 1989

Managing Soils For Optimum Crop Production, Kenneth L. Wells

Soil Science News and Views

The major resources which must be manipulated to develop a farm operation are LAND, LABOR, CAPITAL, and MANAGEMENT. Of these four broad categories of resources, LAND is the one which imposes constraints which ultimately determine the productive capacity of the individual farming system developed. This is because land is a fixed resource from the standpoint of the nature and amount of it available for developing a specific farming system. In this regard, the allocation of LABOR, CAPITAL, and MANAGEMENT should be directly linked to LAND productive capability in order to economically optimize the farming system developed. In other words, the …

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Soils Of The Kojaneerup Annex Of The Mount Barker Research Station, P A. Findlater, P G. Muller Jan 1989