An Investigation of Soil Moisture Distribution and Yield of some Winter Crops in Wheat Rotation

Document Type : Original Article

Authors

1 Associate Research Professor, Department of Agricultural Engineering, Agricultural and Natural Resources Research and Education Center of Golestan Province, Gorgan, Iran

2 Assistant Research Professor, Agricultural and Natural Resources Research and Education Center of Golestan Province, Gorgan, Iran

Abstract

A field experiment including of six rotations, six cultivars of wheat and two irrigation regimes (rain-fed and supplementary irrigation) treatments with three replications was carried out over four years (2007-2012). This article is part of the mentioned project result that focuses on soil moisture distribution in some winter crops. Results show that bean and canola have a higher comparative advantage than the continuous cultivation of wheat because they are planted earlier and also harvested earlier than the wheat. The most of the moisture were depleted in the soil at the end of the wheat season, both in supplementary and in rainfed conditions, as a result soil moisture conditions would be in appropriate in the next planting. For example, the results shown in the second, third and fourth year sat the end growth stage of the bean cultivation was remained about 73,30 and18 mm of soil moisture higher than the land under wheat cultivation which is available for the next summer crop. 

Keywords


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