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The effects of different amendments on water properties of soil | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 10, Issue 1, 2010, Pages 211-220 | ||
| Abstract | ||
| Waste-product of 1%.and 2% of Liquorice, bird and 1.25% and 2.5% of phosphogypsum were applied in two soils and incubated in pots and sprayed to field capacity for 30 days , to study the effects of these amendments on hydraulic conductivity, water retension, air-entry value and wet-sieving index and some equations were used to predict moisture contents. Results indicated that positive effects of liquorices and bird wastes on wet-sieving index and reflect that to hydraulic conductivity and available water. While the measures and the predicted values of the moisture were variable in all treatment compared with the Control. The Brooks and Corey. (1964), gave best fit of moisture contents for both measured and predicted Values. This related to particle and pore size distribution , bulk density, in which was higher in first soil than in the second soil . | ||
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