Consulta: (autoria:"WITTY, J. F.")
Registros recuperados: 27
Data/hora: 03/06/2024 06:38:41

WITTY, J. F. Microelectrode measurements of hydrogen concentrations and gradients in legume nodules. J. Exp. Bot., v.42, n.239, p.765-771, 1991.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F. Estimating N2-fixation in the field using 15N-labelled fertilizer: some problems and solutions. Soil Biol. Biochem., v. 15, p. 631-639, 1983.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; RITZ, K. Slow release 15N fertilizer formulations to measure N2-fixation by isotope dilution. Soil Biol. Biochem., v. 16, p. 657-661, 1984.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; WITTY, J. F. Nitrogen fixation and oxygen supply in legume nodules. J. Sci. Food Agric., v.40, p.122-123, 1987.
Biblioteca(s): Embrapa Agrobiologia.

GILLER, K. E.; WITTY, J. F. Nodulated legumes grown in N2-free atmospheres. J. Microbiol. Methods, v.4, p.179-183, 1985.
Biblioteca(s): Embrapa Agrobiologia.

DAY, J. M.; WITTY, J. F. Novel aspects of nitrogen fixation. Outlook Agric., v.9, n.4, p.180-185, 1977.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; MINCHIN, F. R. Measurement of nitrogen fixation by the acetylene reduction assay; myths and mysteries. In: D.P. Beck and L.A. Materon, eds. In: Nitrogen Fixation by Legumes in Mediterranean Agriculture. ICARDA, 1988. p.331-344.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; WITTY, J. F. Effects of acetylene and external oxygen concentration on the quotient (RQ) of nodulated roots of soyabean and white clover. J. Exp. Bot., v. 41, n. 231, p. 1271-1277, 1990.
Biblioteca(s): Embrapa Agrobiologia.

GILLER, K. E.; WITTY, J. F. Immobilized 15N-fertilizer sources improve the accuracy of field estimates of N2-fixation by isotope dilution. Soil Biol. Biochem., v. 19, n. 4, p. 459-463, 1987.
Biblioteca(s): Embrapa Agrobiologia.

GILLER, K. E.; WITTY, J. F. Immobilized 15N-fertilizer sources improve the accuracy of field estimates of N2-fixation by isotope dilution. Soil Biol. Biochem., v.19, n.4, p.459-463, 1987.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; DAY, J. M. The use of 15N in evaluation asymbiotic N2 fixation. In: Advisory group meeting on the potential use of isotopes in the study of biological dinitrogen fixation., v., p.-, 1977.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; WITTY, J. F.; SKOT, L. Limitations and benefits of oxygen diffusion control in legume nodules. In: Physiological Limitations and the Genetic Improvement of Symbiotic Nitrogen Fixation, v., p.77-85, 1988.
Biblioteca(s): Embrapa Agrobiologia.

SHEEHY, J. E.; MINCHIN, F. R.; WITTY, J. F. Biological control of the resistance to oxygen flux in nodules. Ann. Bot., v.52, n.4, p.565-571, 1983.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; WITTY, J. F.; MYTTON, L. R. Reply to 'Measurement of nitrogenase activity in legume root nodules: In defense of the acetylene reduction assay' by J.K. Vessey. Plant and Soil, v. 158, n. 2, p. 163-167, 1994.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; ROUGHLEY, R. J.; DAY, J. M. Effect of plant spacing and soil application of aldicarb on nitrogen fixation by spring-sown field beans (Vicia faba L.). J. Agric. Sci., v.94, n.1, p.203-208, 1980.
Biblioteca(s): Embrapa Agrobiologia.

SKOT, L.; HIRSCH, P. R.; WITTY, J. F. Genetic factors in Rhizobium affecting the symbiotic carbon costs of N2 fixation and host plant biomass production. J. Appl. Bacteriol., v. 61, n. 3, p. 239-246, 1986.
Biblioteca(s): Embrapa Agrobiologia.

SHEEHY, J. E.; MINCHIN, F. R.; WITTY, J. F. Control of nitrogen fixation in a legume nodule: an analysis of the role of oxygen diffusion in relation to nodule structure. Ann. Bot., v. 55, n. 4, p. 549-562, 1985.
Biblioteca(s): Embrapa Agrobiologia.

MINHCIN, F. R.; SHEEHY, J. E.; WITTY, J. F. Factors limitingResearch Progress#H.J. Evans, P.J. Bottomley an W.E. Newton#Martinus Nijhoff Publisher, v., p.uwe- Ac, 1985.
Biblioteca(s): Embrapa Agrobiologia.

WICKRAMASINGHE, K. N.; TALIBUDEEN, O.; WITTY, J. F. A gas flow-through system for studying denitrification in soils. J. Soil Sci., v.29, n.4, p.527-536, 1978.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SHEEHY, J. E.; WITTY, J. F. Further errors in the acetylene reduction assay: Effects of plant disturbance. J. Exp. Bot., v.37, n.183, p.1581-1591, 1986.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; MINCHIN, F. R.; SHEEHY, J. E. Carbon costs of nitrogenase activity in legume root nodules determined using acetylene and oxygen. J. Exp. Bot., v.34, n.145, p.951-963, 1983.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; WITTY, J. F.; SHEEHY, J. E.; MULLER, M. A major error in the acetylene reduction assay: Decreases in nodular nitrogenase activity under assay conditions. J. Exp. Bot., v.34, n.142, p.641-649, 1983.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; MINCHIN, F. R.; SHEEHY, J. E.; MINGUEZ, M. I. Acetylene-induced changes in the oxygen diffusion resistance and nitrogenase activity of legume root nodules. Ann. Bot., v.53, p.13-20, 1984.
Biblioteca(s): Embrapa Agrobiologia.

WITTY, J. F.; MINCHIN, F. R.; SKOT, L.; SHEEHY, J. E. Nitrogen fixation and oxygen in legume root nodules. Oxford Surveys Plant Mol. Cell Biol., v.3, p.277-314, 1986.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; MINGUEZ, M. I.; SHEEHY, J. E.; WITTY, J. F.; SKOT, L. Relationships between nitrate and oxygen supply in symbiotic nitrogen fixation by white clover. J. Exp. Bot., v.37, n.181, p.1103-1113, 1986.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SHEEHY, J. E.; MINGUEZ, M. I.; WITTY, J. F. Characterization of the resistance to oxygen diffusion in legume nodules. Ann. Bot., v.55, p.53-60, 1985.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; IANNETTA, P. P. M.; FERNANDEZ PASCUAL, M.; DE LORENZO, C.; WITTY, J. F.; SPRENT, J. I. A new procedure for the calculation of oxygen diffusion resistance in legume nodules from flow-through gas analysis data. Ann. Bot., v.70, p.283-289, 1992.
Biblioteca(s): Embrapa Agrobiologia.