1971•Canadian Journal of Soil ScienceRequires access

OVERWINTER PRECIPITATION STORAGE IN IRRIGATED AND NONIRRIGATED CHIN LOAM SOIL

E. H. Hobbs, K. K. Krogman

Abstract

Overwinter changes in root zone soil moisture were recorded for four crops under four moisture regimes during eight seasons. Storage in the soil of overwinter precipitation was inversely related to the soil moisture content at harvest. Gains of soil moisture were directly related to spring precipitation but not to fall or winter precipitation. In the irrigated areas of the Canadian prairies, fall irrigation is advisable when soil moisture at harvest is in the lower half of the available moisture range.

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Key concepts: Environmental science, Loam, Irrigation, Precipitation, Water content, Moisture, Agronomy, Soil water