References
- Scaife , M.A. and Bray , B.G. 1977 . A.D.A.S. Q. Rev. , 27 : 137 – 45 .
- Scaife , A. and Stevens , K.L. 1983 . Commun. in Soil Sci. Plant Anal. , 14 : 761 – 71 .
- Costigan , P.A. , Greenwood , D.J. and McBurney , T. 1983 . J. Soil Sci. , 34 : 621 – 37 .
- Melsted , S.W. 1950 . Better Crops with Plant Food , 34 : 26 42 – 5 .
- Syltie , P.W. , Melsted , S.W. and Walker , W.M. 1972 . Commun in Soil Sci. Plant Anal. , 3 : 37 – 49 .
- Jackson , M.L. 1958 . Soil Chemical Analysis , 347 – 50 . London : Constable & Co. .
- Bouma , D. and Dowling , E.J. 1982 . Aust. J. Exp. Agric. Anim. Husb. , 22 : 428 – 36 .
- Ulrich , A. 1978 . In Soil and Plant‐Tissue Testing in California , (Revised) , Bulletin 1879 Edited by: Reisenauer , H.M. 1 – 4 . USA : University of California .
- Hewitt , E.J. 1966 . Sand and Water Culture Methods in the Study of Plant Nutrition , 431 – 2 . Commonwealth Bureau of Horticulture and Plantation Crops. Farnham Royal: Commonwealth Agricultural Bureaux . Tech. Comm. No. 22
- Schouwenberg , J.C. van and Wallinga , I. 1967 . Anal. Chim. Acta , 37 : 271 – 4 .
- Freeman , G.G. 1967 . J. Sci. Fd. Agric. , 18 : 171 – 6 .
- Wall , M.E. 1940 . Soil Sci. , 49 : 393 – 409 .
- Maynard , D.N. , Barker , A.V. and Lachman , W.H. 1966 . Proc. Am. Soc. Hort. Sci. , 88 : 516 – 20 .
- Smith , T.A. and Richards , F.J. 1962 . Biochem J. , 84 : 292 – 4 .
- Smith , T.A. 1973 . Phytochemistry , 12 : 2093 – 2100 .
- Smith , T.A. 1963 . Phytochemistry , 2 : 241 – 52 .
- Hackett , C. , Sinclair , C. and Richards , F.J. 1965 . Ann. Bot. , 29 : 331 – 45 .
- Kirkby , E.A. and Mengel , K. 1967 . Plant Physiol. , 42 : 6 – 14 .
- Ulrich , A. and Berry , W.L. 1961 . Plant Physiol , 36 : 626 – 32 .
- Hylton , L.O. , Ulrich , A. , Cornelius , D.R. and Okhi , K. 1965 . Agronomy J. , 57 : 505 – 8 .
- Hills , F.J. and Ulrich , A. 1978 . Soil and Plant‐Tissue Testing in California , Edited by: Reisenauer , H.M. 18 – 21 . USA : University of California . Bulletin 1879 (Revised).
- Wyn Jones , R.G. , Brady , C.J. and Speirs , J. 1979 . In Recent Advances in the Biochemistry of Cereals , Edited by: Laidman , D.L. and Wyn Jones , R.G. 63 – 103 . London : Academic Press .
- Adams , P. Proceedings of the Ninth International Plant Nutrition Colloquium . Vol. 1 , August 22–27 . pp. 7 – 11 . England : Warwick University .
- Leigh , R.A. and Wyn Jones , R.G. 1984 . New Phytol. , 97 : 1 – 13 .