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Volume :8 Issue : 29 1988
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The Effect of Rains on the Production of Wheat in Jordan (in Arabic)
Auther : Naseem Barham
Productivity of field crops in Jordan is low and extemely variable. Although several physical and cultural factors contribute to the exterme variation of productivity, rainfall could be considered as the most influencing factor. Other factors contributing to the low and fluctuating productivity are more static and less variable than rainfall.
It is found that two weeks rainfall is the most important factor in contributing to wheat productivity; 92% of the variance of productivity is explained by variation in the two weeks rainfall alone. When monthly rainfall is used, the percentage of explained variance varies throughout the country between 6% to 93%. Seasonal rainfall explains between 4% to 77% of the variance. The area of wheat production in Jordan is divided accordingly into regional patterns like areas of early. Late and midseason cultivation.