El – Farghal, W., El - Sherif, A. (2012). EFFECT OF RICE STRAW COMPOST AND VINASSE APPLICATIONS ON SOME SOIL PROPERTIES AND YIELD OF EGYPTIAN CLOVER. Journal of Soil Sciences and Agricultural Engineering, 3(11), 1057-1069. doi: 10.21608/jssae.2012.54501
W. M. El – Farghal; A. A. El - Sherif. "EFFECT OF RICE STRAW COMPOST AND VINASSE APPLICATIONS ON SOME SOIL PROPERTIES AND YIELD OF EGYPTIAN CLOVER". Journal of Soil Sciences and Agricultural Engineering, 3, 11, 2012, 1057-1069. doi: 10.21608/jssae.2012.54501
El – Farghal, W., El - Sherif, A. (2012). 'EFFECT OF RICE STRAW COMPOST AND VINASSE APPLICATIONS ON SOME SOIL PROPERTIES AND YIELD OF EGYPTIAN CLOVER', Journal of Soil Sciences and Agricultural Engineering, 3(11), pp. 1057-1069. doi: 10.21608/jssae.2012.54501
El – Farghal, W., El - Sherif, A. EFFECT OF RICE STRAW COMPOST AND VINASSE APPLICATIONS ON SOME SOIL PROPERTIES AND YIELD OF EGYPTIAN CLOVER. Journal of Soil Sciences and Agricultural Engineering, 2012; 3(11): 1057-1069. doi: 10.21608/jssae.2012.54501
EFFECT OF RICE STRAW COMPOST AND VINASSE APPLICATIONS ON SOME SOIL PROPERTIES AND YIELD OF EGYPTIAN CLOVER
1Soil, Water & Environment Research Institute, ARC, Giza, Egypt.
2Field Crops Research Institute, ARC, Giza, Egypt.
Abstract
Two field trials were conducted at El-Kasasen district, Ismailia Governorate during the successive winter seasons of 2009 / 2010 and 2010 / 2011, at the same farmer, in a sandy clay loam soil under sprinkler irrigation system in order to study the effect of the applications of rice straw compost at rates 5.0 and 7.5 ton fed.-1, vinasse at rates 5.0 and 7.5 ton fed.-1 and their combinations on some soil physical properties (bulk density and soil total porosity) and some soil chemical properties (ECe, ESP, pH, OM, CEC and available contents of NPK) as well as the productivity of Egyptian clover. The experiment design was a randomized complete block design with 9 treatments and 3 replicates per a treatment. All treatments were applied once time in each cultivation season to the experimental plots at 7 days before the sowing of clover seeds.
The obtained results indicated that, the application of 7.5 ton compost fed.-1 decreased soil bulk density, EC, ESP values and increased soil total porosity, soil available contents of N and P, compared to other treatments. On the other hand, the application of 7.5 ton compost + 7.5 ton vinasse fed.-1 decreased soil pH value and increased soil OM, CEC values and soil available K content, compared to other treatments. Moreover, the plots treated with 7.5 ton fed.-1 compost alone and 7.5 ton compost + 5.0 ton vinasse fed.-1 gave higher average values of clover yield parameters than those obtained with the other treatments. The average relative increments of plant height and clover dry yield of three cuts in two seasons were 57.41 and 55.34 %, respectively for the plots which was treated with the compost 7.5 ton fed.-1, while they were 45.28 and 47.57 % for plots which was treated with compost 7.5 ton fed.-1 + vinasse 5.0 ton fed.-1, respectively, over the control.
On the contrary, the application of vinasse at high rate 7.5 ton fed.-1 led to increase soil bulk density, EC, ESP, soil K available content values and decreased the soil total porosity, clover yield parameters compared to other treatments. The average relative decrease of plant height and clover dry yield of three cuts in two seasons were obtained in the plots treated with vinasse at rate 7.5 ton fed.-1 and were 23.45 and 12.62 %, respectively, lower the control.
In general, these results suggest that the application of rice straw compost alone or in combination with vinasse, had a positive impact on some soil properties and so on the clover yield parameters and quality, while the application of vinasse alone at the high application rate, led to a negative effect on some soil properties and therefore on the Egyptian clover yield parameters.
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