Turnip growth, leaf yield, and leaf nutrient composition responses to nitrogen forms

References

• Adams , D. 1991 . Commercial cabbage and leafy greens production , Athens, GA : University of Georgia Cooperative Extension Service . Bulletin 1067.
   Google Scholar
• Bishop , R.F. , Chipman , E.W. and MacEarchern , C.R. 1973 . Effect of nitrogen, phosphorus and potassium on yields and nutrient levels in celery and head lettuce grown in sphagnum peat . Commun. Soil Sci. Plant Anal. , 4 (5) : 375 – 387 .
   Google Scholar
• Bowers , J.L. and Vose , H.H. 1959 . Nitrogen fertilization of turnip greens . Arkansas Farm Res. , 8 (6) : 11
   Google Scholar
• Bowers , J.L. , Vose , H.H. and McFerran , J. 1962 . Turnip greens and spinach: Cultural and fertilizer studies , Fayetteville, AR : University of Arkansas Agricultural Experiment Station . Bulletin 654.
   Google Scholar
• Bradley , G.A. , Sistrunk , W.A. , Baker , E.C. and Cash , J.N. 1975 . Effect of plant spacing, nitrogen, and cultivar on spinach (Spinacia oleracea L.) yield and quality . J. Amer. Soc. Hort. Sci. , 100 (l) : 45 – 48 .
   Google Scholar
• Brantley , B.B. 1960 . Effect of source and level of nitrogen on the yield and nitrogen content of turnip greens , Georgia Experiment Station Journal Series Bulletin 388 Athens, GA
   Google Scholar
• del Valle , C.G. , Harmon , S.A. and Worley , R.E. 1965 . Effect of fertilizer rates and moisture levels on turnip greens production . Georgia Agr. Res. , 7 (2) : 2 – 5 .
   Google Scholar
• del Valle , C.G. and Harmon , S.A. 1970 . Influence of seeding rate, source and level of nitrogen on yield, color, leaf blade weight and nitrogen content of turnip greens . J. Amer. Soc. Hort. Sci. , 95 : 62 – 64 .
   Google Scholar
• Eppendorfer , W.H. 1978 . Effects of N fertilization on amino acid composition and nutritive value of spinach, kale, cauliflower and potatoes . J. Sci. Food Agric. , 29 : 305 – 311 .
   PubMed Web of Science ®Google Scholar
• Gardner , B.R. and Pew , W.D. 1979 . Comparison of various nitrogen sources for the fertilization of winter‐grown head lettuce . J. Amer. Soc. Hort. Sci. , 104 (4) : 534 – 536 .
   Web of Science ®Google Scholar
• Gamiely , S. , Randle , W.M. , Mills , H.A. and Smittle , D.A. 1991 . Onion plant growth, bulb quality and water uptake following ammonium and nitrate nutrition . HortScience , 26 : 1061 – 1063 .
   Web of Science ®Google Scholar
• Hageman , R.H. 1980 . “ Effect of form of nitrogen on plant growth ” . In Nitrification Inhibitors: Potentials and Limitations , Edited by: Meisinger , J.J. , Randall , G.W. and Vitosh , M.L. 46 – 62 . Madison, WI : Soil Science Society of America .
   Google Scholar
• Ikeda , M. , Mizoguchi , K. and Yamakawa , T. 1992 . Stimulation of dark carbon fixation in rice and tomato roots by application of ammonium nitrogen . Soil Sci. Plant Nutr. , 38 (2) : 315 – 322 .
   Web of Science ®Google Scholar
• Jones , J.B. Jr. and Case , V.W. 1990 . “ Sampling, handling, and analyzing plant tissue samples ” . In Soil Testing and Plant Analysis, , 3rd edition , Edited by: Westreman , R.L. 389 – 427 . Madison, WI : Soil Science Society of America .
   Google Scholar
• Jones , J.B. Jr. , Wolf , B. and Mills , H.A. 1991 . Plant Analysis Handbook , Athens, GA : Micro‐Macro Publishing .
   Google Scholar
• Kitoh , S. , Shiomi , N. and Uheda , E. 1992 . Free amino acids and ammonia in the Azolla‐Anabaena association grown with N2, NH4, and NO3 . Soil Sci. Plant Nutr. , 38 (2) : 289 – 296 .
   Web of Science ®Google Scholar
• Maga , J.A. , Moore , F.D. and Oshima , N. 1976 . Yield, nitrate levels and sensory properties of spinach as influenced by organic and mineral nitrogen fertiliser [sic] levels . J. Sci. Food Agric. , 27 : 109 – 114 .
   Web of Science ®Google Scholar
• Marti , H.R. and Mills , H.A. 1991 . Nutrient uptake and yield of sweet pepper as affected by stage of development and N form . J. Plant Nutr. , 14 : 1165 – 1175 .
   Web of Science ®Google Scholar
• McFerran , J. , Bowers , J.L. and Vose , N.H. 1963 . Effect of seeding rate and nitrogen level on color and yield of turnip greens . Ark. Farm Res. , 12 (5) : 11
   Google Scholar
• McLaurin , W.J. and Mizelle , W.O. Jr. 1991 . Georgia vegetable acreage estimates , Bulletin H‐91–001 Athens, GA : University of Georgia Cooperative Extension Service .
   Google Scholar
• Moore , F.D. III . 1970 . Furrow irrigation of lettuce resulting in water and nitrogen loss . J. Amer. Soc. Hort. Sci. , 95 : 471 – 474 .
   Web of Science ®Google Scholar
• Pew , W.D. , Gardner , B.R. and Bessey , P.M. 1983 . Comparison of controlled‐release nitrogen fertilizers, urea, and ammonium nitrate on yield and nitrogen uptake by fall‐grown head lettuce . J. Amer. Soc. Hort. Sci. , 108 (3) : 448 – 453 .
   Web of Science ®Google Scholar
• Rathore , P.S. and Manohar , S.S. 1990 . Effect of sulphur and nitrogen on seed yield and nitrogen uptake by mustard . Indian J. Agron. , 35 (4) : 361 – 363 .
   Web of Science ®Google Scholar
• Ruan , N.D. , Gilkes , R.J. , Scott , B.J. , Xie , L.C. and Nu , X.Z. 1991 . Potassium response of Brassica chinensis Baily in the Guangshou area, southern China . Fert. Res. , 29 : 159 – 162 .
   Google Scholar
• SAS . 1987 . Guide for Personal Computers , Cary, NC : SAS Institute .
   Google Scholar
• Sharma , G.C. , Patel , A.J. and Mays , D.A. 1976 . Effect of sulfurcoated urea on yield, N uptake, and nitrate content in turnip greens, cabbage, and tomato . J. Amer. Soc. Hort. Sci. , 101 : 142 – 145 .
   Google Scholar
• Simonne , E.N. , Mills , H.A. and Smittle , D.A. 1992 . Ammonium reduces growth, fruit yield and fruit quality of watermelon . J. Plant Nutr. , 15 (12) : 2727 – 2741 .
   Web of Science ®Google Scholar
• Simonne , E.N. , Smittle , D.A. and Mills , H.A. 1993a . An irrigation scheduling model for turnip . J. Amer. Soc. Hort. Sci. , (in press)
   Google Scholar
• Simonne , E.N. , Smittle , D.A. and Mills , H.A. 1993b . Irrigation regimes affect turnip leaf yield, tissue composition, and nutrient removal . J. Plant Nutr. , 16 (7) : 1225 – 1228 .
   Google Scholar
• Weir , B.L. , Paulson , K.N. and Lorenz , O.A. 1972 . The effect of ammoniacal nitrogen on lettuce (Lactuca sativa) and radish (Raphanus sativus) plants . Soil Sci. Soc. Amer. Proc. , 36 : 462 – 465 .
   Google Scholar
• Former Graduate Assistant. Present address: Micro‐Macro International, Inc., 183 Paradise Blvd., Suite 108, Athens, GA 30607.
   Google Scholar
• Professor of Horticulture.
   Google Scholar