Comparison of DRIS and alternative nutrient diagnostic methods for soybean

References

• Sumner , M.E. 1977 . Preliminary N, P, and K foliar diagnostic norms for soybeans . Agron. J. , 69 : 226 – 230 .
   Web of Science ®Google Scholar
• Hanson , R.G. 1981 . DRIS evaluation of N, P, K status of determinant soybeans in Brazil . Commun. Soil Sci. Plant Anal. , 12 (9) : 933 – 948 .
   Web of Science ®Google Scholar
• Beverly , R.B. , Sumner , H.E. , Letzsch , W.S. and Plank , C.O. 1986 . Foliar diagnosis of soybean by DRIS . Commun. Soil Sci., Plant Anal. , 17 (3) : 237 – 256 .
   Web of Science ®Google Scholar
• Hallmark , W.B. , Adams , J.F. , Morris , H.F. and Fontenot , J.D. 1986 . Effect of plant growth stage on detection of soybean nutrient deficiencies . J. Fert. Issues , 3 (2) : 66 – 71 .
   Web of Science ®Google Scholar
• Beverly , R.B. 1987 . Modified DRIS method for simplified nutrient diagnosis of ‘Valencia’ oranges . J. Plant Nutri. , 10
   Google Scholar
• Walworth , J.L. , Sumner , M.E. , Issac , R.A. and Plank , C.O. 1986 . Preliminary DRIS norms for alfalfa in the Southeastern Unied States and a comparison with midwestern norms . Agron. J. , 78 : 1046 – 1052 .
   Web of Science ®Google Scholar
• Hallmark , W.B. , Walworth , J. L. , Sumner , M.E. , deMooy , C.J. , Pesek , J. and Shao , K. P. 1987 . Separating limiting from non‐limiting nutrients . J. Plant Nutri. , 10
   Google Scholar
• Beaufils , E.R. 1973 . Diagnosis and recommendation Integrated System (DRIS) , Pietermaritzburg, , South Africa : University of Natal . Soil Sci. Bul. 1,
   Google Scholar
• Jones , C.A. 1981 . Proposed modifications of the Diagnosis and Recommendation Integrated System (DRIS) for interpreting plant analyses . Commun. Soil Sci. Plant Anal. , 12 : 785 – 794 .
   Web of Science ®Google Scholar
• Beverly , R.B. , Stark , J.C. , Ojala , J.C. and Embleton , T.W. 1984 . Nutrient diagnosis of ‘Valencia’ oranges by DRIS . J. Amer. Soc. Hort. Sci. , 109 (5) : 649 – 654 .
   Web of Science ®Google Scholar
• Kenworthy , A.L. 1973 . “ Leaf analysis as an aid in fertilizing orchards ” . In Soil Testing and Plant Analysis , Edited by: Walsh , L. M. and Beaton , J.D. 381 – 392 . Madison, WI : Soil Sci. Soc. Am. .
   Google Scholar
• Bhangoo , M.S. and Albritton , D.J. 1972 . Effect of fertilizer nitrogen, phosphorus, and potassium on yield and nutrient content of Lee soybeans . Agron. J. , 64 : 743 – 746 .
   Web of Science ®Google Scholar
• Small , H.G. Jr. and Ohlrogge , A. J. 1973 . “ Plant analysis as an aid in fertilizing soybeans and peanuts ” . In Soil testing and plant analysis , Edited by: Walsh , L.M. and Beaton , J.D. 313 – 318 . Madison, WI : Soil Sci. Soc. Amer. .
   Google Scholar