Corrosion of aluminum pipe: Corrosion of unprotected aluminum irrigation pipe can lead to serious problem under one or more of several conditions

Also in this issue:

The water rights situation: Increasing population and complexities of distribution of state's water supply comprise problem of major proportions

Allocations of ground water: Economic implications of the court reference procedure for allocating ground water important in its development and use

Recharge studies: Refilling underground water reservoirs problem to many governmental agencies

Watershed management: Good practices required for the optimum production of forage and water yields demonstrated by results of long term study

Water conservation districts: Problems in the use of the public district for ground-water management require organizational flexibility in procedures

Quality of irrigation waters: Primarily determined by mineral constituents and the total salt concentration in water applied for agricultural purposes

Reclaimed water: Sewage effluents as source of irrigation water attracting increasing attention

Water-soil-plant relations: Soil moisture-plant growth relations are influenced by many factors including soil type, plant root systems and weather

Grapes and deciduous fruits: Irrigation of deciduous orchards and vineyards influenced by plant-soil-water relationships in individual situations

Ornamental crop production: Irrigation technics and dependable soil mixes basic to maximum production and minimum growing costs in industry

Factors in cotton irrigation: Quality of cotton fiber not materially affected by different irrigation treatments in experiments on three types of soil

Water temperature in irrigation: Cold water damage to rice can be controlled by use of small unshaded warming basins before water is applied to fields

Measurement of soil moisture: Accurate instruments for measuring soil moisture conditions practical means of determining proper timing of irrigation

Water penetration of soils: Soil and water management practices important in coping with widespread problem of soil penetration by irrigation water

Moisture movement in soils: Experiments show moisture movement from one portion of soil to another and soil factors which influence that movement

Costs of irrigation water: Distance of transport, height of lift and timing of pumping operations influence costs of irrigation water to farmers

Irrigation efficiency study: Increasing demands on water necessitate efficient irrigation practices to apply correct amount of water at proper time

Surface irrigation: Changing conditions and requirements affect water-application practices

Prefabricated ditch linings: Effectiveness of various types of liners in small irrigation ditches under study for control of seepage and vegetation

Sprinkler and lateral spacing: Distribution of irrigation water applied by sprinklers improved by proper spacings of sprinklers and laterals

Drainage cost survey: Earth moving in northern California estimated at 15c to 20c per cubic yard

Drainage adiacent to a river: Investigation on use of pumped well for field drainage of river seepage conducted on farm in Sacramento delta area

Drainage in irrigated deserts: Efficient design, installation, and maintenance of drainage systems essential to avoid crop damage by high soil salinity

The determination of yield and shrinkage of wool by scouring small samples

Single and multiple fiber tests for determining comparative breaking loads of wool fibers