References
- Agüi , I. , Gomez , M. and Recalde , L. 1979 . Interacciones entre el K, Ca y Mg a nivel de su absorcion y distribucion en plantas de tomate . An. Edaf. Agrobiol. , XXXVIII (l‐2) : 267 – 282 .
- Ascencio , J. 1987 . Potassium and calcium distribution patterns along the leaf insertion gradient of bean plants grown in nutrient solutions . J. Plant Nutr. , 10 (4) : 455 – 484 .
- Barneix , A.J. and Breteler , H. 1984 . Function of potassium and sodium in the absorption, translocation and reduction of nitrate in the wheat. VIth. International Colloquium Optimization of Plant Nutrition. Montpellier, France . Actes Proc. , 3 : 743 – 750 .
- Boons‐Ruijenaars , Y. 1987 . Effects of calcium and ammonium on chlorosis of cucumber . Groenten en Fruit , 42 (29) : 62 – 63 .
- Huffaker , R.C. and Rains , D.W. 1978 . “ Factors influencing nitrate adquisition by plants: Assimilation and fate of reduced nitrogen ” . In Nitrogen in the Environment , Volume 2 , 1 – 43 . New York, NY : Academic Press .
- Leon , A. , Andreu , F.J. Lopez , Romojaro , F. and Alcaraz , C. 1974 . Consideraciones experimentales sobre el analisis de B en plantas . An. Edafol. Agrobiol. , 23 : 849 – 861 .
- Marschner , H. , Oberle , H. , Cafmak , I. and Röemheld , V. 1990 . Growth enhancement by silicon in cucumber plants depends on imbalance in phosphorus and zinc supply . Plant and Soil. , 124 (2) : 211 – 219 .
- Mengel , K. and Kirkby , E.A. 1987 . Principles of Plant Nutrition. , 4th edition , Bern, , Switzerland : International Potash Institute .
- Mortvedt , J.J. and Khasawneh , F.E. 1986 . Effects of growth responses on cationic relationships in plants . Soil Sci. , 141 : 200 – 207 .
- Peñalosa , J.M. , Cáceres , M.D. and Sarro , M.J. 1994 . Effect of Ca/K ratio and ammonium supply on mineral composition and productivity of bean plants . Agr. Med. , 124 : 126 – 131 .
- Sarro , M.J. , Cadahia , C. and Carpena , O. 1985 . Balance iónico en savia como Indice de nutricion del tomate. Nueva metodología aplicable “in situ” . An. Edafol. Agrobiol. , 44 : 799 – 812 .
- Sarro , M.J. , Cadahia , C. and Peñalosa , J.M. 1986 . Control de un cultivo hidropónico de tomate mediante correcciones periódicas de los nutrientes. Aplicaciones a invernaderos comerciales . An. Edafol. Agrobiol. , 45 : 729 – 738 .
- Sonneveld , C. and Voogt , S.J. 1985 . Growth and cation absorption of some fruit‐vegetable crops grown on rockwool as affected by different cation ratios in the nutrient solution . J. Plant Nutr. , 8 : 585 – 602 .
- Wallace , A. and Mueller , R.T. 1980 . Calcium uptake and distribution in plants . J. Plant Nutr. , 2 (1–2) : 247 – 256 .