Wheat root growth responses to enhanced ammonium supply

Soil Science Society of America Journal

Volumn 62, Issue 6, 1998, Pages 1736-1740

  Gao, S ^a   Pan, W L ^b   Koenig, R T ^c  

^a Soil Search Lab   (United States)

^b WASHINGTON STATE UNIVERSITY   (United States)

^c UTAH STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

WHEAT;

TRITICUM AESTIVUM;

EID: 0032413076     PISSN: 03615995     EISSN: None     Source Type: Journal    
DOI: 10.2136/sssaj1998.03615995006200060035x     Document Type: Article

References (25)

1. Barber, K.L., L.D. Maddux, D.E. Kissel, G.M. Pierzynski, and B.R. Bock. 1992. Corn responses to ammonium- and nitrate-nitrogen fertilization. Agron. J. 56:1166-1171.
2. Belford, R.K, B. Klepper, and R.W. Rickman. 1987. Studies of intact shoot-root systems of field-grown winter wheat. II. Root and shoot developmental patterns as related to nitrogen fertilizer. Agron. J. 79:310-319.
3. Bock, B.R., J.J. Camberato, F.E. Below, W.L. Pan, and R.T. Koenig. 1991. Wheat responses to enhanced ammonium nutrition, p. 93-106. In Effect of enhanced ammonium diets on growth and yield of wheat and corn. Proc. SSSA Symposium, Div. S-8, Denver, CO. 30 Oct., 1991. Foundation for Agronomic Research, Atlanta, GA.
4. Camberato, J.J., and B.R. Bock. 1990a. Spring wheat response to enhanced ammonium supply: I. Dry matter and nitrogen content. Agron. J. 82:463-467.
5. Camberato, J.J., and B.R. Bock. 1990b. Spring wheat response to enhanced ammonium supply: II. Tillering. Agron. J. 82:467-473.
6. Crawford, D.M., and P.M. Chalk. 1993. Sources of N uptake by wheat (Triticum aestivum L.) and N transformations in soil treated with a nitrification inhibitor (nitrapyrin). Plant Soil 149:59-72.
7. Drew, M.C., and L.R. Saker. 1975. Nutrient supply and the growth of the seminal root system of barley. II. Localized compensatory increases in lateral root growth, and rates of nitrate uptake when nitrate supply is restricted to only part of the root system. J. Exp. Bot. 26:79-90.
8. Fenn, L.B., and R.M. Taylor. 1990. Calcium stimulation of ammonium absorption in radish. Agron. J. 82:81-84.
9. Fenn, L.B., R.M. Taylor, and C.M. Burks. 1993. Influence of plant age on calcium stimulated ammonium absorption by radish and onion. J. Plant Nutr. 16:1161-1177.
10. Gao, S., and W. Qian. 1990. Studies on the rooting characteristics of nodal roots in winter wheat. J. Hounan Normal College 18:42-48.
11. Hackett, C. 1972. A method of applying nutrients locally to roots under controlled conditions, and some morphological effects of locally applied nitrate on the branching of wheat roots. Aust. J. Biol. Sci. 25:1169-1180.
12. Heberer, J.A., and F.E. Below. 1989. Mixed nitrogen nutrition and productivity of wheat grown in hydroponics. Ann. Bot. 63:643-649.
13. Keeney, D.R., and D.W. Nelson. 1982. Nitrogen - Inorganic forms, p. 643-698. In A.L. Page (ed.) Methods of soil analysis. Part 2.2nd ed. Agron. Monogr. 9. ASA and SSSA, Madison, WI.
14. Klepper, B. 1992. Development and growth of crop root systems. Adv. Soil Sci. 19:1-25.
15. Klepper, B., R.K. Belford, and R.W. Rickman. 1984. Root and shoot development in winter wheat. Agron. J. 76:117-122.
16. Klepper, B., P.E. Rasmussen, and R.W. Rickman. 1983. Fertilizer placement for cereal root access. J. Soil Water Cons. 38:250-252.
17. Koenig, R.T., and W.L. Pan. 1996a. Chloride enhancement of wheat responses to ammonium nutrition. Soil Sci. Soc. Am. J. 60:498-505.
18. Koenig, R.T., and W.L. Pan. 1996b. Calcium effects on quantity-intensity relationships and availability of ammonium. Soil Sci. Soc. Am. J. 60:492-497.
19. Ogango, K.O., and R.H. Teyker. 1991. Effects of lime rate on corn root characteristics under enhanced ammonium supply. J. Plant Nutr. 14:663-673.
20. Pan, W.L., and R.P. Bolton. 1991. Root quantification by edge discrimination using a desktop scanner. Agron. J. 83:1047-1052.
21. Pan, W.L., R.T. Koenig, and B.R. Bock. 1992. Enhanced ammonium nutrition of wheat, p. 170-176. In J.L. Havlin and J.S. Jacobsen (ed.) Proc. Great Plains Soil Fert. Conf. 4th. Denver, CO. 3-4 Mar. 1992. Potash and Phosphate Inst., Manhattan, KS.
22. Passioura, J.B., and R. Wetselaar. 1972. Consequences of banding nitrogen fertilizers in soil. II. Effects on the growth of wheat roots. Plant Soil 36:461-473.
23. SAS Institute. 1988. SAS/STAT user's guide. 6.03 ed. SAS Inst., Cary, NC.
24. Smucker, A.J.M., S.L. McBurney, and A.K. Srivastava. 1982. Quantitative separation of roots from compacted soil profiles by the hydropneumatic elutriation system. Agron. J. 74:500-503.
25. Wang, X., and F.E. Below. 1992. Root growth, nitrogen uptake, and tillering of wheat induced by mixed-nitrogen source. Crop Sci. 32:997-1002.