Ratios of Nutrients in Lowland Rice Grown on Two Iron Toxic Soils in Nigeria

REFERENCES

• Abifarin , A. O. 1988 . Grain yield loss due to iron toxicity . West African Rice Development Association (WARDA) Technical Newsletter , 8 ( 1 ) : 1 – 2 .
   Google Scholar
• Bouyoucos , G. H. 1951 . A recalibration of the hydrometer for making mechanical analysis of soils . Agronomy Journal , 43 : 434 – 438 .
   Web of Science ®Google Scholar
• Bray , R. H. and Kurtz , L. T. 1945 . Determination of total organic and available forms of phosphorous in soils . Soil Science , 59 : 39 – 45 .
   Web of Science ®Google Scholar
• Bremner , J. M. 1965 . “ Total N ” . In Methods of Soil Analysis, Part 2. Chemical and Microbiological Properties , Edited by: Black , C. A. 1149 – 1176 . Madison, WI : American Society of Agronomy .
   Google Scholar
• Bulbule , A. V. and Deshpande , P. B. 1993 . Tolerance of rice varieties to high active iron content in soil . Madras Agricultural Journal , 80 ( 1 ) : 8 – 11 .
   Google Scholar
• Fageria , N. K. and Rabelo , R. A. 1987 . Tolerance of rice cultivars to Iron toxicity . Journal of Plant Nutrition , 10 : 653 – 661 .
   Web of Science ®Google Scholar
• IITA (International Institute of Tropical Agriculture) . 1982 . Selected Methods of Soil and Plant Analysis , Ibadan, Nigeria : IITA .
   Google Scholar
• IRRI (International Rice Research Institute) . 1988 . Standard Evaluation System for Rice , Los Banos, Philippines : International Rice Research Institute .
   Google Scholar
• Kulkarni , R. S. , Mahdevappa , M. , Bulbule , A. V. and Siddaramappa , R. 1991 . “ Studies on nutrition of rice cultivars under simulated acidic conditions with particular reference to iron ” . In Plant-soil Interactions at Low Soil pH , Edited by: Wright , R. J. , Baligar , V. C. and Murrmann , R. P. 333 – 338 . Dordrecht, , The Netherlands : Kluwer Academic Publishers .
   Google Scholar
• Mehra , O. P. and Jackson , M. I. 1960 . Iron oxide removal from soils and clays by diothionite-citrate system buffered with sodium bicarbonate . Clays and Clay Minerals , 7 : 317 – 327 .
   Google Scholar
• Neue , H. U. and Singh , V. P. 1984 . “ Management of wetland rice and fishponds on problem soils in the tropics ” . In Ecology and Management of Problem Soils in Asia , Food and Fertilizer Technology Centre (FFTC) Book Series No. 27 352 – 365 . Paper presented at FFTC meetings at Bangkok, Thailand, Nov. 8–11, 1983
   Google Scholar
• Olaleye , A. O. 1998 . Characterization, evaluation, nutrient dynamics and rice yields of selected wetland soils in Nigeria , Ph.D. Thesis Ibadan, , Nigeria : University of Ibadan .
   Google Scholar
• Olaleye , A. O. , Tabi , F. O. , Ogunkunle , A. O. , Singh , B. N. and Sahrawat , K. L. 2001 . Rice nutrition under simulated acidic conditions . Journal of Plant Nutrition , 24 : 441 – 457 .
   Web of Science ®Google Scholar
• Ottow , J. C. G. , Benckiser , G. and Watanabe , I. 1982 . Iron toxicity of rice as a multiple nutritional soil stress . Tropical Agricultural Research Series , 15 : 167 – 179 .
   Google Scholar
• Rendig , V. V. , Oputa , C. and McComb , E. A. 1976 . Effects of sulfur deficiency on non-protein nitrogen, soluble sugars, and N/S ratios in young corn (Zea mays L.) plants . Plant and Soil , 44 : 423 – 437 .
   Web of Science ®Google Scholar
• Ross , G. J. , Wang , C. and Schuppi , P. A. 1985 . Hydroxylamine and ammonium oxalate solutions as extractants for Fe and Al from soils . Soil Science Society American Journal , 49 : 783 – 785 .
   Web of Science ®Google Scholar
• Sahrawat , K. L. , Mulbah , C. K. , Diatta , S. , Delaune , R. D. , Patrick , W. H. Jr. , Singh , B. N. and Jones , M. P. 1996 . The role of tolerant genotypes and plant nutrients in the management of iron toxicity in lowland rice . Journal Agricultural Science , 126 : 143 – 149 .
   Web of Science ®Google Scholar
• SAS . 1996 . SAS User's Guide: Statistics. Version 6 edition , Cary, NC : SAS Institute .
   Google Scholar
• Serayonakul , P. 1968 . Toxicity of iron in rice grown in nutrient solution. Abstracts , B.Sc. Thesis Bangkok, , Thailand : College of Agriculture, Kasetsort University .
   Google Scholar
• Singh , B. P. 1992 . Characteristics of Fe-toxic soils and affected plants and their correction in acid Haplaquents of Mehalaya . International Rice Research Institute (IRRI) News , 2 ( 2 ) : 18 – 19 .
   Google Scholar
• Stewat , B. A. and Porter , L. K. 1969 . Nitrogen: sulfur relationship in wheat (Triticum aestivum L.), corn (Zea mays L.) and bean (Phaseolus vulgaris L.) . Agronomy Journal , 61 : 267 – 271 .
   Web of Science ®Google Scholar
• Sumner , M. E. 1978 . Interpretation of nutrient ratios . Communications in Soil Science and Plant Analysis , 9 ( 4 ) : 335 – 345 .
   Web of Science ®Google Scholar
• Tanaka , A. and Yoshida , S. 1970 . Nutritional disorders of the rice plant in Asia , Manilla, Philippenes : International Rice Research Institute . IRRI Technical Bulletin 10
   Google Scholar
• van Breemen , N. and Moormann , F. R. 1978 . “ Iron-toxic soils ” . In Soil and Rice , Edited by: Moorman , F. R. and van Breemen , F. R. 781 – 799 . Manila, Philippines : International Rice Research Institute .
   Google Scholar
• Walkley , A. and Black , I. A. 1934 . An examination of the Degtjareff method for determining soil organic matter and posed modification of the chromic acid titration method . Soil Science , 37 : 29 – 38 .
   Web of Science ®Google Scholar
• Yamauchi , M. 1989 . Rice bronzing in Nigeria caused by nutrient imbalances and its control by potassium sulfate . Plant and Soil , 117 : 275 – 286 .
   Web of Science ®Google Scholar