| Titles |
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English :
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Impact Of Compost And Phosphate Fertilizers Utilizatiuon On Phosphorus Availablility And Some Crops Productivity On Sandy Soils
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Arabic :
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تأثير اضافة الكمبوست والتسميد الفوسفاتى والحيوى على تيسر الفوسفور وﺇنتاجية بعض المحاصيل فى الأراضى الرملية
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| Abstract |
A field experiment was carried out at Ismalia Agricultural Experimental Station during the winter season (2005/ 2006) and summer season (2006) to asses the influence of organic, inorganic P-fertilization and Bio-fertilizers on soil available phosphorus of sandy soil under lupine and maize crops. The experiment was laid out in a split – split design with three replicates. Compost as organic fertilizer was placed in the main plots, while P- fertilizer in the sub plots. Bio-fertilizer was in the sub sub plots.
The obtained results indicated that applying 5 ton compost/fed to sandy soil intensified organic matter content and available NPK of tested soil. This increment may be due to the beneficial effect of organic matter in improving the nutritional status of soil. Whereas, the inoculation by Bacillus polymyxa heightened the values of available NP in the studied sandy soil. This increment may be elucidated by the ability of Bacillus polymyxa to fix nitrogen in rhizosphere, which is reflected increasing on available nitrogen in inoculated treatments. In the same time, it helps in solubilizing the insoluble phosphates and makes it available to the plant.
Applying 50% of the recommended phosphate does in the form of super phosphate at preplanting, while the rest was equally applied in two does after planting (SP2 treatment) intensified soil available phosphorus and phosphorus concentration of lupine and maize grains. On contrary, applying 100% of the recommended phosphate does in the form of rock phosphate at preplanting (RP1 treatment) increased the soil availability of phosphorus to the plant. It was noticed that the maximum value of protein concentration attained by the interaction between addition compost (5 ton/fed) and (SP1) treatments under lupine crop.
The highly significant increment of lupine and maize grain yields were realized by applying compost at (5-ton/fed) plus (SP2) treatment and inoculated with Bacillus polymyxa. Although, the lowest one was obtained by applying no compost, RP2 treatment and no inoculated
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| Publication year |
2007
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| Organization Name |
Soil, Water and Environment Research Institute (SWERI)
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| Author(s) from ARC |
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| Agris Categories |
Agricultural research
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AGROVOC
TERMS |
Bacillus polymyxa.
Composts.
Rock phosphate.
Sandy soils.
Superphosphate.
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| Proposed Agrovoc |
Available phosphorus;
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| Publication Type |
Journal
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