References
- Barker , A. V. and Mills , H.A. 1980 . Ammonium and nitrate nutrition of horticultural crops . Hort. Rev. , 2 : 395 – 423 .
- Bremner , J.M. 1986 . “ Nitrogen ” . In Methods of Soil Analysis , Edited by: Black , C.A. 620 – 678 . Madison, WI : American Society of Agronomy .
- Cao , W. and Tibbitts , T.W. 1993 . Study of various NH4+/NO3‐ mixtures for enhancing growth of potatoes . J. Plant Nutr. , 16 : 1691 – 1704 .
- Davis , J.M. , Loescher , W.H. , Hammond , M.W. and Thornton , R.E. 1986 . Responses of potatoes to nitrogen form and to change in nitrogen form at tuber initiation . J. Am. Soc. Hort. Sci. , 111 : 70 – 72 .
- Hammer , P.A. , Tibbitts , T.W. , Langhans , R.W. and MacFarlane , J.C. 1978 . Baseline growth studies of ‘Grand Rapids’ lettuce in controlled environments . J. Am. Soc. Hort. Sci. , 103 : 649 – 655 .
- Jones , J.B. , Wolf , B. and Mills , H.A. 1991 . Plant Analysis Handbook , Athens, GA : Micro‐Macro Publishing, Inc. .
- Pilbeam , D.J. and Kirkby , E.A. 1992 . “ Some aspects of the utilization of nitrate and ammonium by plants ” . In Nitrogen Metabolism of Plants , Edited by: Mengel , K. and Pilbeam , D.J. 55 – 70 . New York, NY : Oxford University Press .
- Porter , G.A. and Sisson , J.A. 1993 . Yield, market quality and petiole nitrate concentration of non‐irrigated Russet Burbank and Shepody potatoes in response to sidedressed nitrogen . Am. Potato J. , 70 : 101 – 116 .
- Roberts , S. , Cheng , H.H. and Farrow , F.O. 1991 . Potato uptake and recovery of nitrate‐15‐enriched ammonium nitrate from periodic applications . Agron. J. , 83 : 378 – 381 .
- Salsac , L. , Chaillou , S. , Morot‐Gaudry , J.F. , Lesaint , C. and Jolivet , E. 1987 . Nitrate and ammonium nutrition in plants . Plant Physiol. Biochem. , 25 : 805 – 812 .
- Sattelmacher , B. and Marschner , H. 1978 . Relation between nitrogen nutrition, cytokinin activity and tuberization in Solarium tuberosum . Physiol. Plant , 44 : 65 – 68 .
- Smith , O.E. 1975 . “ Effect of cultural and environmental conditions on potatoes for processing ” . In Potato Processing , Edited by: Talburt , W.F. and Smith , O.E. Westport, CT : AVI Publishing Co., Inc. .
- Ulrich , A. and Fong , K.H. 1973 . Nitrogen nutrition of white rose potato in relation to vegetative growth and mineral content of leaves and roots . Commun. Soil Sci. Plant Anal. , 4 : 413 – 426 .