INFLUENCE OF SOME ORGANIC ADSORBENT AND IRON LEVELS ON PLANT GROWTH AND SOME NUTRIENT AVAILABILITY IN SOIL. | ||||
| Journal of Soil Sciences and Agricultural Engineering | ||||
| Article 8, Volume 29, Issue 8, August 2004, Page 4825-4831 PDF (2.17 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jssae.2004.242540 | ||||
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| Author | ||||
| O. E. Shalabey | ||||
| Desert Environmental Research Institute, Department of Soil Science, Menofiya University, Eisadat City | ||||
| Abstract | ||||
| Pot experiment was carried out using sandy soil samples which were collected from the surface soil (O-20Cm) of Tahrier region. The experiment was designed in complete randomized with three replicates. The first factor was organic matters as FYM at the rate of 200 gm/pot (20ton/fed), sodium humate 50 mg/pot (5 Kg/fed) and potassium humate 80 mg/pot (8 Kg/fed). The second factors was ferrous sulfate 7,14 mg/kg soil (7.14 kg/fed). The dry matter yield of corn plants significantly increased by using organic adsorbent alone or combined with iron compared with control. The best results of dry matter yield were obtained as follows: FYM > K - H > Na - H > control at all iron levels. Nutrient contents (N,P,K and Fe) in corn plants increased with applying of organic adsorbents for all treated iron levels Similar trends of results were found as for the dry matter yield of corn plants. Residual effect of N,P,K and Fe in soil after harvest of corn plants, generally increasing the nutrient extractable from soil. This increase for N,P and Fe was follows: FYM > Na- H > K - H > control. Only K extractable was in this order: FYM > K - H > Na - H > control. | ||||
| Keywords | ||||
| sodium humate; potassium humate; FYM; iron | ||||
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