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SPATIAL VARIABILITY ANALYSIS OF SOME SOIL CHEMICAL PROPERTIES FOR SOME SOILS IN EAST GHARAF LANDS / IRAQ | ||
| AL-TAQANI | ||
| Article 1, Volume 26, Issue 1, 2013, Pages 0-0 | ||
| Abstract | ||
| Good understanding of spatial variability of soil properties leads to precise agriculture . Accordingly , a study was conducted to analyses the spatial variability of some of soil chemical properties ( soil reaction , electrical conductivity , organic matter , calcium carbonate , cation exchange capacity , and exchangeable sodium percentage ) for surface and subsurface horizons ( AP , C1 , C2 ) of some east gharaf soils . Classic descriptive statistics ( minimum, maximum , mean , standard deviation , kurtosis , skewness ) and least significant difference ( P = 0.05 ) , were used for the purpose of this study . The results showed that , soils in this region were characterized by spatial variability along vertical and horizontal scales . The most variable property was electrical conductivity ( C.V. = 77.001 % ) in ( AP ) horizon . | ||
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