References
- Tahtinen , Hikka . 1977 . The effect of sulphur on the yield and chemical composition of timothy . Ann. Agr. Fenn. , 16 : 220 – 226 .
- Beaton , J. D. 1970 . Sulphur in turfgrass fertilization . Sulphur Inst. J. , 6 : 5 – 9 .
- Rendig , V. V. , Oputa , C. and McComb , E. A. 1976 . Effects of sulfur deficiency on non‐protein nitrogen, soluble sugars, and N/S ratios in young corn (Zea mays L.) plants . Plant Soil , 44 : 423 – 437 .
- Stewart , B. A. and Porter , L. K. 1969 . Nitrogen‐sulfur relationships in wheat (Triticum aestivum L.), corn (Zea mays L.), beans (Phaseolus vulgaris L.) . Agron. J. , 61 : 267 – 271 .
- Wallihan , E. F. and Sharpless , R. G. 1974 . Effect of sulfur supply on the optimum concentration of nitrogen in leaves of the rice plant . Soil Sci. , 118 : 304 – 317 .
- Eppendorfer , W. H. 1977 . Effects of varying amounts of sulfur and nitrogen on yield, N/S ratio and amino acid composition of successive cuts of Italian ryegrass . K. Vet‐Landbohojsk Arsskr. , 1977 : 42 – 57 .
- Gupta , Umesh C. and MacLeod , L. M. 1975 . Effects of sulfur and molybdenum on the molybdenum, copper, and sulfur concentrations of forage crops . Soil Sci. , 119 : 441 – 447 .
- Stout , P. R. , Meagher , W. R. , Pearson , G. A. and Johnson , C. M. 1951 . Molybdenum nitrition of crop plants. I. The influence of phosphate and sulfate on the absorption of molybdenum from soils and solution cultures . Plant Soil , 3 : 51 – 87 .
- Jackson , D. R. , Lindsay , W. L. and Heil , R. D. 1975 . The impact of molybdenum‐enriched irrigation water on agricultural soils near Brighton, Colorado . J. Environ. Qual. , 4 : 223 – 229 .
- Pasricha , N. S. and Randhawa , N. 1972 . Interaction effect of sulphur and molybdenum on the uptake and utilization of these by raya (Brassica juncea L.) . Plant Soil , 37 : 215 – 220 .
- Geist , J. Michael . 1976 . Orchardgrass growth on nitrogen and sulfur fertilized volcanic ash soil . J. Range Manage. , 29 : 415 – 418 .
- Martin , P. F. 1970 . Alaska Agricultural Experiment Station “quick”; soil tests. Laboratory Methods and Procedures , Alaska Exp. Sta. Mimeo. 11
- Mehlich , A. and Bowling , S. S. 1976 . Determination of sulfate sulfur by buffered ammonium chloride extraction , Raleigh , N.C. : Agron. Div., N.C. Dept. Agr. . Mimeo. 5
- Assoc. Off. Anal. Chem. 1970 . Official methods of analysis , 11th Washington , D. C.
- Smith , G. R. 1975 . Rapid determination of nitrate‐nitrogen in soils and plants with the nitrate electrode . Anal. Lett. , 8 : 503 – 508 .
- Tiedemann , Arthur R. and Anderson , Tom D. 1971 . Rapid analysis of total sulfur in soils and plant material . Plant Soil , 35 : 197 – 200 .
- Baker , J. H. and Greweling , T. 1967 . Extraction procedure for quantitative determination of six elements in plant tissue . J. Agr. Food Chem. , 15 : 340 – 344 .
- Jackson , M. L. 1958 . Soil chemical analysis , Englewood Cliffs , N. J. : Prentice‐Hall .
- Jones , Edryd . 1963 . Studies on the magnesium content of mixed herbage and some individual grass and clover species . J. Brit. Grassland Soc. , 18 : 131 – 138 .
- Molloy , L. F. , Ball , Roger , Collie , T. W. and Ross , D. J. 1968 . Influence of fertilizer nitrogen on higher fatty acids and on Mg, Ca, K, and P in grazed grass‐clover herbage . N.Z.J, Agr. Res. , 21 : 57 – 64 .
- Tood , J. R. 1961 . Magnesium in forage plants. I. Magnesium contents of different species and strains as affected by season and soil treatment . J. Agr. Sci. , 56 : 411 – 415 .
- Burroughs , W. L. , Embry , L. B. , Klosterman , E. W. , Lofgren , G. P. , Newmann , A. L. and Perry , T. W. 1970 . Nutrient requirements of beef cattle , Washington D.C. : NRC‐NAS .
- Henkens , C. H. 1973 . Tracing and treating mineral disorders in dairy cattle , Wageningen , , The Netherlands : Centre for Agr. Publishing & Documentation .
- Follett , R. F. , Power , J. F. , Grunes , D. L. , Hewes , D. A. and Mayland , H. 1975 . Potential tetany hazard of N‐fertilized bromegrass as indicated by chemical composition . Agron. J. , 67 : 819 – 824 .
- Mayland , H. F. and Grunes , D. L. 1979 . “ Soil‐climate‐plant relationships in the etiology of grass tetany ” . In Grass Tetany , Edited by: Rendig , V. V. and Grunes , D. L. 123 – 175 . 175 Madison , Wis. : Am, Soc. Agron. .
- Yakovleva , V. V. and Sobachkina , L. N. 1968 . Effect of molybdenum on metabolism of phosphorus in cauliflower . Agokhimiya , 8 : 134 – 139 . (Fert. Abs. 2:270. 1969)
- Baroccio , Aldo . 1962 . Phenomena of molybdenum‐potassium synergism in the potassic nutrition of plants , Potash Rev. (Switzerland). Subject 1, 39th Suite 4
- Owensby , Clenton E. , Anderson , Kling L. and Whitney , David A. 1969 . Some chemical properties of a silt loam soil after 20 years’ nitrogen and phosphorus fertilization of smooth bromegrass (Bromus inermis Leyss.) . Soil Sci. , 108 : 24 – 29 .
- Cooperative investigation of USDA, SEA‐AR, and the Alaska Agr. Expt. Sta. Alaska Agr. Expt. Sta. Journal Paper No. J‐148.
- Research soil scientist, USDA, SEA‐AR, Palmer, AK., laboratory technician, Alaska Expt. Sta., Palmer, AK., and biological technician, USDA, SEA‐AR, Palmer, AK.