References
- Adams , D. 1991 . Commercial cabbage and leafy greens production , Athens, GA : University of Georgia Cooperative Extension Service . Bulletin 1067.
- Baker , A.V. , Maynard , D.H. and Mills , H.A. 1974 . Variation in nitrate accumulation among spinach cultivars . J. Amer. Soc. Hort. Sci. , 99 (2) : 132 – 134 .
- Brown , E.A. 1989 . Georgia Pest Control Handbook , Athens, GA : University of Georgia Cooperative Extension Service .
- Clarke , J.M. and Simpson , G.M. 1978 . Growth analysis of Brassica napus cv. tower . Can. J. Plant Sci. , 58 (3) : 587 – 595 .
- Cosgrove , D.C. , Jones , J.B. Jr. and Mills , H.A. 1985 . Influence of NO3 and NH4 on Kjeldahl N, NO3‐N, and snapbean pod yield . HortScience , 20 (3) : 427 – 429 .
- del Valle , CG. , Worley , R.E. and Harmon , S.A. 1966 . Influence of attapulgus clay on the mineral content of turnips grown in soil and sand media . Proc. Amer. Soc. Hort. Sci. , 90 : 342 – 348 .
- Greenwood , D.J. , Barnes , A. , Liu , K. , Hunt , J. , Cleaver , T.J. and Loquens , S.M.H. 1980 . Relationships between the critical concentrations of nitrogen, phosphorus and potassium in 17 different vegetable crops and duration of growth . J. Sci. Food Agric. , 31 : 1343 – 1353 .
- Guillard , K. and Allinson , D.W. 1989 . Seasonal variation in chemical composition of forage Brassicas. I. Mineral concentrations and uptake . Agron. J. , 81 : 876 – 881 .
- Hanks , R.J. , Keller , J. , Rasmussen , V.P. and Wilson , G.D. 1976 . Line source sprinkler for continuous variable irrigation‐crop production studies . Soil Sci. Soc. Amer. , 40 : 426 – 429 .
- Jones , J.B. Jr. 1989 . Soil Testing and Plant Analysis Laboratory Manual , Athens, GA : Benton Laboratories, Inc. .
- Jones , J.B. Jr. , Wolf , B. and Mills , H.A. 1991 . Plant Analysis Handbook , Athens, GA : Micro‐Macro Publishing .
- Jones , J.B. Jr. 1991 . Kjeldahl Method for Nitrogen (N) Determination , Athens, GA : Micro‐Macro Publishing .
- Lambeth , V.H. 1953 . Variable potassium and magnesium saturation on growth and mineral composition of Bibb lettuce . Proc. Amer. Soc. Hort. Sci. , 62 : 357 – 362 .
- Maynard , D.N. 1970 . The effect of nutrient stress on the growth and composition of spinach . J. Amer. Soc. Hort. Sci. , 95 : 598 – 600 .
- McLaurin , W.J. and Mizelle , W.O. Jr. 1991 . Georgia Vegetable Acreage Estimates , Athens, GA : University of Georgia Cooperative Extension Service . Bulletin H‐91–001.
- Moore , F.D. III . 1970 . Furrow irrigation of lettuce resulting in water and nitrogen loss . J. Amer. Soc. Hort. Sci. , 95 (4) : 471 – 474 .
- Peavy , W.S. and Greig , J.K. 1972 . Organic and mineral fertilizers compared by yield, quality and composition of spinach . J. Amer. Soc. Hort. Sci. , 97 (6) : 718 – 723 .
- Plank , C.O. 1989 . Soil Test Handbook for Georgia , Athens, GA : University of Georgia Cooperative Extension Service .
- Raja , V. and Bishnoi , K.C. 1990 . Soil‐water‐plant relationships of rape [Brassica campestris (L.) var. toria] genotypes under irrigated and dry conditions . Indian J. Agron. , 35 (1–2) : 91 – 98 .
- 1987 . SAS/STAT Guide for Personal Computers , Cary, NC : SAS Institute .
- Sheets , O. , Parmenter , L. , Wade , M. , Anderson , W.S. and Geiger , M. 1955 . The effect of different levels of moisture on the vitamin and nitrogen content of turnip greens . Proc. Amer. Soc. Hort. Sci. , 66 : 258 – 260 .
- Simonne , E.H. , Smittle , D.A. and Mills , H.A. 1993 . Yield and quality responses of turnip to an irrigation scheduling model . HortScience , (In review)
- Smittle , D.A. , Dickens , W.L. , Stansell , J.R. and Simonne , E. 1992 . Effects of irrigation regimes on leaf yield and water use by turnip and mustard . HortScience , 27 (4) : 308 – 310 .
- Taylor , A.J. , Smith , C.J. and Wilson , I.B. 1991 . Effect of irrigation and nitrogen fertilizer on yield, oil content, nitrogen accumulation and water use of canola (Brassica napus L.) . Fert. Res. , 29 : 249 – 260 .
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- Professors of Horticulture.