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Abdeen, S. (2017). Alleviation of Soil Compaction Effect by using Rice Straw under Different Moisture Contents. Journal of Soil Sciences and Agricultural Engineering, 8(11), 587-592. doi: 10.21608/jssae.2017.38193
S. Abdeen. "Alleviation of Soil Compaction Effect by using Rice Straw under Different Moisture Contents". Journal of Soil Sciences and Agricultural Engineering, 8, 11, 2017, 587-592. doi: 10.21608/jssae.2017.38193
Abdeen, S. (2017). 'Alleviation of Soil Compaction Effect by using Rice Straw under Different Moisture Contents', Journal of Soil Sciences and Agricultural Engineering, 8(11), pp. 587-592. doi: 10.21608/jssae.2017.38193
Abdeen, S. Alleviation of Soil Compaction Effect by using Rice Straw under Different Moisture Contents. Journal of Soil Sciences and Agricultural Engineering, 2017; 8(11): 587-592. doi: 10.21608/jssae.2017.38193

Alleviation of Soil Compaction Effect by using Rice Straw under Different Moisture Contents

Article 5, Volume 8, Issue 11, November 2017, Page 587-592  XML PDF (505.5 K)
Document Type: Original Article
DOI: 10.21608/jssae.2017.38193
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Author
S. Abdeen
Soils and Water Department, Faculty of Agriculture, Al-Azhar Univ., Cairo, Egypt
Abstract
Soil compaction considered a problem that affects several soil properties and plant growth parameters. In order to assess the effects of soil compaction (expressed as bulk density) under different levels of moisture content and rice straw on some soil properties, plant growth parameters and macro nutrients uptake by sorghum plant (Sorghum bicolor (L.) Moench, Dorado sp.) To achieve this purpose, a columns experiment was conducted at the farm of Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt during the summer season of 2017. Plastic columns (Cylindrical PVC pots) of 15 cm inside diameter and 45 cm depth were used. The treatments of experiment consisted of three soil compactions leading to the following bulk densities: 1.35; 1.50 and 1.65 Mg m-3, two moisture content 75 and 100% of field capacity (FC), and three rates of rice straw(RS) < 2 mm were application to soil :0.0,0.5 and 1%. The results obtained that there is a great potential in managing the soil by the addition of rice acompaction for the development and growth of sorghum plant.Generally, pH decreased with increasing soil compaction under the studied levels of moisture content and rice straw. But EC values increased significantly with increasing bulk density as indicator as soil compaction. Rice straw improving soil EC values at 100% FC as a result of decreasing bulk density. Increasing rice straw in soil has the potential to improve soil hydraulic properties. Length, fresh and dry weights of shoot and root are influenced by bulk density and rice straw as well as moisture availability. At the lowest soil compaction (1.35 Mg m-3), all parameters of sorghum plant increased with increasing moisture content. While, the highest level of moisture content (100% FC) gave the opposite effect at the others levels of bulk density (1.5 and 1.65 Mg m-3). Generally, the favorable condition for plant growth has request low bulk density, and good hydraulic conductivity. Also, the concentration of N, P and K decreased significantly with increasing soil compaction. It can be noticed that N content increased significantly with increasing rice straw (RS) at 75% moisture content of field capacity, then decreased at 100% at the highest levels of soil compaction (1.65 Mg m-3). P and K content increased with increasing rice straw and moisture content as a result of decreasing soil compaction. Also, uptake of N, P and K increased significantly with increasing rice straw and moisture content especially, at the low level of soil compaction.
Keywords
Soil compaction; moisture content; rice straw; sorghum plant
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