References
- Asp , N. G. , Johansson , C. G. , Hellmer , H. and Siljestr⊘m , M. J. 1983 . Rapid enzymatic assay of insoluble and soluble dietary fibre . J. Agric. Food Chem. , 31 : 476 – 482 .
- Bach Knudsen , K. E. , Åman , P. and Eggum , B. O. 1987 . Nutritive value of Danish-grown barley varieties: I. Carbohydrates and other major constituents . J. Cereal Sci. , 6 : 173 – 186 .
- Baerug , R. , Roer , L. and Tjornham , T. 1979 . Amino acid composition of potato tubers as influenced by nitrogen and potassium fertilization, year, location and variety . Meld. Norg. Landbrukshoegsk. , 58 : 1 – 24 .
- Bjerg , B. , Ebmeyer , E. , Eggum , B. O. , Larsen , T. , Robbelen , G. and S⊘rensen , H. 1988 . The nutritive value of ten inbred lines of Faba beans (Vicia faba L.) in relation to their content of antinutritional constituents and protein quality . Plant Breeding , 101 : 277 – 291 .
- Block , R. J. and Mitchell , H. H. 1946 . The correlation of the amino acid composition of proteins with their nutritive value . Nutr. Abstr. Rev. , 16 : 249 – 278 .
- Desborough , S. L. 1985 . “ Potato proteins ” . In Potato Physiology , Edited by: Li , P. H. 329 – 351 . Academic Press Inc .
- Duke , S. H. and Reisenauer , H. M. 1986 . “ Roles and requirements of sulfur in plant nutrition ” . In Sulfur in Agriculture , Agronomy Monograph no. 27 123 – 168 . Madison, WI : Am. Soc. Aaron. .
- Eggum , B. O. 1973 . A study of certain factors influencing protein utilization in rats and pigs , Beretn. nr. 406. Thesis Copenhagen : National Institute of Animal Science .
- Eppendorfer , W. 1968 . The effect of nitrogen and sulphur on changes in nitrogen fractions of barley plants at various early stages of growth and on yield and amino acid composition of grain . Plant Soil , 29 : 424 – 438 .
- Eppendorfer , W. H. 1977 . Effects of varying amounts of sulphur and nitrogen on yield, N/S ratio and amino acid composition of successive cuts of Italian ryegrass. Yearbook 1977 , 42 – 57 . Copenhagen : R. Vet. and Agric. Univ. .
- Eppendorfer , W. H. , Eggum , B. O. and Bille , S. W. 1979 . Nutritive value of potato crude protein as influenced by manuring and amino acid composition . J. Sci. Fd. Agric. , 30 : 361 – 368 .
- Eppendorfer , W. H. and Eggum , B. O. 1992 . Dietary fibre, sugar, starch and amino acid content of kale, ryegrass and seed of rape and field. beans as influenced by S- and N-fertilization . Pl. Fd. Hum. Nutr. , 42 : 359 – 371 .
- Eppendorfer , W. H. and Eggum , B. O. 1993 . Effects of sulphur, nitrogen, phosphorus, potassium, and water stress on dietary fibre fractions, starch, amino acids and on the biological value of potato protein . Plant Foods for Human Nutrition , in press
- Evans , S. A. . The place of fertilizers in ‘Blueprints’ for the production of potatoes and cereals . Fertilizer Use and Production of Carbohydrates and Lipids, Proc. 13th Coll. Int. Potash Inst. . pp. 231 – 241 . York, , UK
- FAO/WHO . 1973 . Energy and Protein Requirements , FAO Food and Nutrition Series No 7 Rome : Food and Agriculture Organization of the United Nations .
- Freney , J. R. , Randall , P. J. and Spencer , K. . Diagnosis of sulphur deficiency in plants . Intern. Sulphur ′82 Conf. Proc. . Edited by: Moore , A. I. Vol. I , pp. 439 – 444 . The British Sulphur Corporation Ltd .
- Hippe , J. 1988 . HPLC-analysis of the concentrations of free asparagine and glutamine in potato tubers grown with varying amounts of nitrogen . Potato Res. , 31 : 535 – 540 .
- Horton , D. and Sawyer , R. L. 1985 . “ The potato as a world food crop, with special reference to developing areas ” . In Potato Physiology , Edited by: Li , P. H. 1 – 34 . New York : Academic Press .
- Hu , H. and Sparks , D. 1991 . Sulfur deficiency influences vegetative growth, chlorophyll and element concentrations, and amino acids of pecan . J. Am. Soc. Hort. Sci. , 116 ( 6 ) : 974 – 980 .
- Kemira Denmark A/S . 1992 . Dobbelt udbytte af industrikartofler . Godningen , 84 ( 4 ) : 6 – 7 .
- Kofranyi , E. 1967 . Die biologische Wertigkeit gemischter Proteine . Die Nahrung , 11 : 863 – 873 .
- Landskontoret for planteavl . 1992 . “ Afgr⊘dernes foderværdi og mineralstofindhold ” . In Håndbog for Plantedyrkning 1992 10 – 11 .
- Mason , V. C. , Bech-Andersen , S. and Rudemo , M. 1980 . Hydrolysate preparation for amino acid determination in feed constituents . Z. Tierphysiol. Tierernährg Futtermittelkde , 43 : 146 – 164 .
- Mica , B. 1971 . Einfluss der Düngung auf den Gehalt an essentiellen Aminosäuren im Kartoffeleiweiss . Potato Res. , 14 : 19 – 28 .
- Millard , P. , Sharp , G. S. and Scott , N. M. 1985 . The effect of sulphur deficiency on the uptake and incorporation of nitrogen in ryegrass . J. Agric. Sci. Camb. , 105 : 501 – 504 .
- Millard , P. 1986 . The nitrogen content of potato (Solanum tuberosum L.) tubers in relation to nitrogen application—The effect on amino acid composition and yields . J. Sci. Fd. Agric. , 37 : 107 – 114 .
- Miller , D. S. and Donoso , G. 1963 . Relationships between the sulphur/nitrogen ratio and the protein value of diets . J. Sci. Fd. Agric. , 14 : 345 – 349 .
- Mulder , E. G. and Bakema , K. 1956 . Effect of nitrogen, phosphorus, potassium and magnesium nutrition of potato plants on the content of free amino acids and on the amino acid composition of the protein of the tubers . Plant Soil , 7 : 135 – 166 .
- Perrenoud , S. 1983 . Fertilising for High Yield Potato , IPI Bulletin 8 84 Bern, , Switzerland : International Potash Institute .
- Randall , P. J. and Wrigley , C. W. 1986 . “ Effects of sulfür supply on the yield, composition, and quality of grain from cereals, oilseeds, and legumes ” . In Advances in Cereal Science and Technology Edited by: Pomeranz , Y. Vol VIII , 171 – 205 .
- Rendig , V. V. 1986 . “ Sulfur and crop quality ” . In Sulfur in Agriculture , Acronomy Monogr. no. 27 635 – 652 . Madison, WI : Am. Soc. Aaron. .
- Rexen , B. 1976 . Studies of protein of potatoes . Potato Res. , 19 : 189 – 202 .
- Scaife , A. and Burns , I. G. 1986 . The sulphate-S/total-S ratio in plants as an index of their sulphur status . Plant Soil , 91 : 61 – 71 .
- Schuphan , W. 1976 . Mensch und Nahrungspflanze , 170 Den Haag : Dr. W. Junk B.V. Verlag .
- Wünsch , A. and Hunnius , W. 1980 . Untersuchungen zur Reaktion von Kartoffelsorten mit unterschiedlichem Stickstoffverwer-tungsvermögen. I. Mitteilung: Auswirkung der Stickstoffdüngung auf Stärkegehalt und N-Fraktionen im Gefässversuch . Landwirtsch. Forsch. , 33 : 82 – 89 .
- Åman , P. and Hesselman , K. 1984 . Analysis of starch and other main constituents of cereal grains . Swedish J. Agric. Res. , 14 : 135 – 139 .