Effectiveness of Panda Hills phosphate rock compacted with triple superphosphate as source of phosphorus for rape, wheat, maize, and soybean

References

• Anon. 1996 . Canola Production Guide , Athens , GA : The University of Georgia, Cooperative Extension Service, College of Agricultural and Environmental Sciences .
   Google Scholar
• Bekele , T. and Hoffner , W. 1993 . Effects of different phosphate fertilizers on yield of barley and rape seed on reddish brown soils of Ethiopian highlands. . Fert. Res. , 34 : 243 – 250 .
   Web of Science ®Google Scholar
• Butegwa , C.N. , Mullins , G.L. and Chien , S.H. 1996 . Agronomic evaluation of fertilizer products derived from Sukulu Hills phosphate rock. . Fert. Res. , 44 : 113 – 122 .
   Google Scholar
• Calvo , C.G. 1991 . Methods of soil and plant analysis used in the phosphorus laboratory , Muscle Shoals , AL : International Fertilizer Development Center .
   Google Scholar
• Chesworth , W. , Semoka , J.M.R. , van Straaten , P. , Mnkeni , P.N.S. , Kamasho , J.A. and Mchihiyo , E.P. 1988 . Tanzania‐Canada Agrogeology Project: Report on Completion of the First Phase , Ottawa , , Canada : International Development Research Centre (IDRC) .
   Google Scholar
• Chien , S.H. and Hammond , L.L. 1989 . Agronomic Evaluation of Partially Acidulated Phosphate Rocks in the Tropics. IFDC‐P‐7: 1–10 , Muscle Shoals , AL : International Fertilizer Development Center .
   Google Scholar
• Chien , S.H. , Sale , P.W.G. and Friesen , D.K. 1990 . A discussion of the methods of comparing the relative effectiveness of phosphate fertilizers varying in solubility. . Fert. Res. , 24 : 149 – 157 .
   Web of Science ®Google Scholar
• Chien , S.H. , Sompongse , D. , Henao , J. and Heliums , D.T. 1987 . Greenhouse evaluation of phosphorus availability from compacted phosphate rocks with urea or with urea and triplesuperphosphate. . Fert. Res. , 14 : 245 – 256 .
   Web of Science ®Google Scholar
• Engelstad , O.P. , Jugsujinda , A. and De Datta , S. 1974 . Response by flooded rice to phosphate rocks varying in citrate solubility. . Soil Sci. Soc. Am. Proc. , 38 : 524 – 529 .
   Web of Science ®Google Scholar
• Govere , E.M. , Chien , S.H. and Fox , R.H. 1995 . Effects of compacting phosphate rock with nitrogen, phosphorus and potassium fertilisers. . E. Afr. Agric. For. J. , 60 ( 3 ) : 123 – 130 .
   Google Scholar
• Habib , L. , Chien , S.H. , Carmona , G. and Henao , J. 1999 . Rape response to a Syrian phosphate rock and its mixture with triple superphosphate on a limed alkaline soil . Commun. Soil Sci. Plant Anal. , 30 (3&4) : 449 – 456 .
   Web of Science ®Google Scholar
• Hammond , L.L. , Chien , S.H. and Mokwunye , A.U. 1986 . Agronomic value of unacidulated and partially acidulated phosphate rocks indigenous to the tropics. . Adv. Agron. , 40 : 89 – 139 .
   Web of Science ®Google Scholar
• Hoffland , E. , Findenegg , G.R. and Nelemans , J.A. 1989 . Solubilization of rock phosphate by rape. II. Local root exudation of organic acids as a response to P‐starvation . Plant Soil , 113 : 161 – 165 .
   Web of Science ®Google Scholar
• Lehr , J.R. and McClellan , G.H. 1972 . A Revised Laboratory Reactivity Scale for Evaluating Phosphate Rocks for Direct Application. Bull. Y‐43, TVA‐NFDC Muscle Shoals , AL
   Google Scholar
• Lender , R.C. and Harley , C.P. 1942 . A rapid method for the determination of nitrogen in plant tissue. . Science , 96 : 565 – 566 .
   PubMedGoogle Scholar
• Menon , R.G. and Chien , S.H. 1990 . Phosphorus availability to maize from partially acidulated phosphate rocks compacted with triple superphosphate. . Plant Soil , 127 : 123 – 128 .
   Web of Science ®Google Scholar
• Mnkeni , P.N.S. 1992 . “ Role of soil management in enhancing sustainability of smallholder cropping systems in some agro‐ecosystems of Tanzania ISSN 0804–2144 ” . In Economy and Ecology: Management Tools for Sustainable Development , Oslo , Norway : Agricultural University of Norway .
   Google Scholar
• Mnkeni , P.N.S. , Semoka , J.M.R. and Mwanga , S.N. 1992 . Dissolution of some Tanzanian phosphate rocks of igneous and sedimentary origin . Zimbabwe J. Agric. Res. , 30 (1) : 67 – 75 .
   Google Scholar
• Murphy , J. and Riley , J.P. 1962 . A modified single solution method for the determination of phosphate in natural waters. . Anal Chem. Acta , 27 : 31 – 36 .
   Web of Science ®Google Scholar
• Semoka , J.M.R. , Mnkeni , P.N.S. and Ringo , H.D. 1992 . Effectiveness of Tanzanian phosphate rocks of igneous and sedimentary origin as sources of phosphorus for maize. . Zimbabwe J. Agric. Res. , 30 ( 2 ) : 127 – 136 .
   Google Scholar
• Steel , R.G.B. and Torrie , J.H. 1980 . Principles and Procedures of Statistics: A Biometrical Approach. , 2nd ed. , New York, NY : McGraw‐Hill Book Co. .
   Google Scholar
• Van Straaten , P. , Semoka , J.M.R. , Kamasho , J.A. , Mchihiyo , E.P. , Mnkeni , P.N.S. and Chesworth , W. 1992 . Report on the status of the Tanzania‐Canada Agro‐Geology Project, Phase II (1988–1991) , Ottawa , , Canada : IDRC .
   Google Scholar
• Corresponding author.
   Google Scholar