Mashhour, A. (2014). CONTRIBUTION OF SOME ORGANIC AND INORGANIC MATERIALS IN SOIL AGGREGATES FORMATION AND STABILITY UNDER THE EFFECT OF DRYING/WETTING CYCLES. Journal of Soil Sciences and Agricultural Engineering, 5(12), 1667-1673. doi: 10.21608/jssae.2014.49840
A. M. A. Mashhour. "CONTRIBUTION OF SOME ORGANIC AND INORGANIC MATERIALS IN SOIL AGGREGATES FORMATION AND STABILITY UNDER THE EFFECT OF DRYING/WETTING CYCLES". Journal of Soil Sciences and Agricultural Engineering, 5, 12, 2014, 1667-1673. doi: 10.21608/jssae.2014.49840
Mashhour, A. (2014). 'CONTRIBUTION OF SOME ORGANIC AND INORGANIC MATERIALS IN SOIL AGGREGATES FORMATION AND STABILITY UNDER THE EFFECT OF DRYING/WETTING CYCLES', Journal of Soil Sciences and Agricultural Engineering, 5(12), pp. 1667-1673. doi: 10.21608/jssae.2014.49840
Mashhour, A. CONTRIBUTION OF SOME ORGANIC AND INORGANIC MATERIALS IN SOIL AGGREGATES FORMATION AND STABILITY UNDER THE EFFECT OF DRYING/WETTING CYCLES. Journal of Soil Sciences and Agricultural Engineering, 2014; 5(12): 1667-1673. doi: 10.21608/jssae.2014.49840
CONTRIBUTION OF SOME ORGANIC AND INORGANIC MATERIALS IN SOIL AGGREGATES FORMATION AND STABILITY UNDER THE EFFECT OF DRYING/WETTING CYCLES
Soils and Water Dept., Agric. Faculty, Al-Azhar University.
Abstract
This research is trying to identify the contribution of some different organic and inorganic materials besides alternating wetting and drying process in soil aggregates formation and stability. A laboratory incubation experiment was conducted to achieve this purpose, sandy soil was chosen for this study. The incubation treatments included inorganic materials; calcium sulfates and ferrous sulfates and some organic materials; humic acid and plant residues. These materials were added only and with 10 % clay, also, the treatments conducted to drying/wetting cycles and without. The findings of this experiment showed that the soil aggregates formation and stability depended largely on the interaction between organic materials and clay content under drying/wetting cycle's effect. The higher contribution percentage was 9.2 % for humic acid plus 10 % clay after drying/wetting cycle's treatment compared with the control.
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