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THE EFFECT OF INTERACTION AMONG SOIL CONTENT OF GYPSUM, SOIL DEPTH AND IRRIGATION WATER SALIINTY IN CONTENT OF NUTRIENTS ELEMENTS NPK IN WATER PLANT | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 43, Issue 0, 2013, Pages 34-47 | ||
| Authors | ||
| S. I. I. Al-Fihedawy; M. F. Y. Al-Alwany | ||
| Abstract | ||
| The experiment pots was conducted to study the effect of interaction among soil contant of gypsum, soil depth and irrigation water salinity in contant of nutrients elements NPK in Wheat plant. The experiment was conducted at Khaldiyah city -Ghazwan during the season 2008-2009 in plastic pots (70cm high,42cm diameter) by using the complete randomized design, experiment contant three factors, the first Was soil contant of gypsum with two levels 98 and 194 gm.kg 1 soil, the second Was soil depth With two depths 15 and 30cm and the third was irrigation water salinity with three levels 1.13, 2.65 and 3.80 dS.m-1. The treatments Were irrigated after losing 50% of available water, so that taken plants samples for estimate contant of plant from nutrients elements NPK in hay and seeds. Results showed that soil contant of gypsum (P), soil depth (D), irrigation water salinity (W) and the interaction among these factors were significant effect on soil properties according to following mathematical relationships: Uptake of N in hay R2=0.837, Uptake of P in hay R2=0.816, Uptake of K in hay R2=0.836, Uptake of N in seeds R2=0.920, Uptake of P in seeds R2=0.841, Uptake of K in seeds R2= 0.836. | ||
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