|PRINT ISSN : 2319-7692
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Three pot experiments were conducted during three successive seasons (winter 2010/2011, summer season 2011 and winter 2011/2012) in the screen house of Agricultural Experimental Farm of Department of Soils and Water, Faculty of Agricultural, South Valley University, Qena governorate, Egypt to investigate the effects of successive seasonal applications of two organic amendments (filter mud cake FYM and farmyard manure FYM) at a level of 10 ton/fed, in a combination with adding acid producing bacteria (APB) and molasses on sandy soil properties and NPK, availability, as well as growth and NPK uptakes of wheat and sorghum plants along three successive seasons. The results showed that, the successive additions of FMC and FYM to the soil combined with molasses and APB exhibited improvements in of soil chemical properties and fertility status which an increase in the soil nutrient (NPK) power supply of the soil occurred with the available N, P and K in the soil. Thus, increase in the plants dry matter yield as well as N, P and K uptakes of the wheat plants were fulfilled in the third season compared to those of the first season. More studies are needed to investigate the long term effect of successive additions of such organic treatments on soil properties and available nutrients as well as plant growth and nutrients uptake under field conditions.