References
- Braga , J.M. and Defelipo , B.V. 1974 . Determinação espectrofotométrica de fósforo em extratos de solo e plantas . R. Ceres , 13 : 73 – 85 .
- Fontes , P.C.R. 1987 . “ Nutrição minerai e adubação ” . In Produção de Batata Edited by: Reifshneider , J.B. 40 – 56 . Brasilia, DF (coord.) Linha Gráfica
- Fontes , P.C.R. , Paula , M.D. and Mizubuti , A. 1987 . Produtividade da batata sob a influência de niveis de fertilizante 4–14–8 e do superfosfato simples . R. Ceres , 34 : 90 – 98 .
- Gupta , A. and Saxena , M.C. 1976 . Evaluation of leaf analysis as a guide to N and P fertilization of potato (Solarium tuberosum L.) . Plant Soil , 44 : 597 – 605 .
- Jones , J.B. Jr. , Wolf , B. and Mills , H.A. 1991 . Plant Analysis Handbook , Athens, GA : Micro‐Macro Publishing .
- Lorenz , O.A. 1944 . Studies on potato nutrition. 1. The effects of fertilizer treatment on the yield and composition of Kern County potatoes . Am. Potato J. , 21 : 179 – 192 .
- Maier , H.A. , Dahlenburg , A.P. and Williams , M.J. 1994 . Effect of N, P, K on yield and petiolar nutrient concentration of potato (Solarium tuberosum L.) cuv. Kennebec and Atlantic . Aust. J. Exp. Agric. , 34 : 825 – 34 .
- Manrique , L.A. 1993 . Constrains for potato productions in tropics . J. Plant Nutr. , 16 : 2075 – 2120 .
- Mengel , K. and Kirkby , E.A. 1987 . Principles of Plant Nutrition. , 4th ed. , Berne, , Switzerland : International Potash Institute .
- Ortiz , O.G.B. , Cabalero , S.U. and Alvarez , A.L. 1988 . Influência da época de aplicaçao de 3 1P‐superfosfato triplo na eficiência da fertilização fosfatada e na produtividade da batata . Pesq. Agrop. Bras. , 23 : 963 – 970 .
- Reuter , D.J. and Robinson , J.R. 1986 . Plant Analysis—An Interpretation Manual , Melbourne, , Australia : Inkata Press .
- Roberts , S. and Dow , A.I. 1982 . Critical nutrient ranges for petiole phosphorus levels of sprinkler‐irrigated Russet Burbank potatoes . Agron. J. , 74 : 583 – 585 .
- Rocha , F.A.T. 1995 . Crescimento, produção e qualidade de tubérculos de batata cm funçao da fertilização fosfatada , Viçosa, MG, , Brasil : UFV . MS thesis
- Sharma , U.C. and Arora , D.R. 1989 . Critical phosphorus concentration in leaves and petioles of potato and prediction of yield potential . J. Indian Soc. Soil Sci. , 37 : 732 – 737 .
- Walworth , J.E. and Sumner , M.E. 1988 . “ Foliar diagnosis: A review ” . In Advances in Plant Nutrition , Edited by: Tinker , D. and Lauchli , A. Volume 3 , 193 – 241 . New York, NY : Praeger .
- Walworth , J.E. and Muniz , J.E. 1993 . A compendium of tissue nutrient concentrations for field‐grown potatoes . Am. Potato J. , 70 : 579 – 597 .
- Westerman , D.T. , Bosma , S.M. and Kay , M.A. 1994 . Nutrient concentration relationships between the fourth petiole and upper‐stem of potato plants . Am. Potato J. , 71 : 817 – 828 .
- Graduate Student.
- CNPq Fellow.