Consulta: (autoria:"SAFFIGNA, P. G.")
Registros recuperados: 18
Data/hora: 18/06/2024 03:03:12

SAFFIGNA, P. G. Irrigation and nitrogen management of potatoes to minimize nitrogen leaching losses in Plainfield loamy sand. [S.l.]: University of Wisconsin, 1974. 120 p. Thesis PhD.
Biblioteca(s): Embrapa Trigo.

KERVEN, G. L.; SAFFIGNA, P. G. Collector sensitivity - A source of error in 15N isotopic analysis. Int. J. Mass Spectom. Ion Phys., v.23, p.333-336, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; KEENEY, D. R. Nitrogen and chloride uptake by irrigated russet burbank potatoes. Agron. J., v.69, p.258-264, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; KEENEY, D. R. Nitrate and chloride in ground water under irrigated agriculture in central Wisconsin. Ground Water, v.15, n.2, p.170-177, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; WARING, S. A. Prevention of 15N cross-contamination during distillation and potentiometric titration of 15N-labelled samples. Anal. Chim. Acta, v.89, p.203-207, 1977.
Biblioteca(s): Embrapa Agrobiologia.

CRASWELL, E. T.; SAFFIGNA, P. G.; WARING, S. A. The mineralization of organic nitrogen in dry soil aggregates of different sizes. Plant Soil, v.33, n.2, p.383-392, 1970.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; TANNER, C. B.; KEENEY, D. R. Non-uniform infiltration under potato canopies caused by interception, stemflow, and hilling. Agron. J., v.68, p.337-342, 1976.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; KEENEY, D. R.; HENDRICKSON, L. L. Halide analysis in soils with a chloride titrator and a bromide electrode. Commun. Soil Sci. Plant Anal., v.7, n.8, p.691-699, 1976.
Biblioteca(s): Embrapa Agrobiologia.

ROBERTSON, F. A.; SAFFIGNA, P. G.; MYERS, R. J. K. The influence of roots on flushes of microbial C and N following fumigation-incubation of a pasture soil. Soil Biol. Biochem., v. 22, n. 7, p. 1001-1002, 1990.
Biblioteca(s): Embrapa Agrobiologia.

DOUGHTON, J. A.; VALLIS, I.; SAFFIGNA, P. G. An indirect method for estimating 15N isotope fractionation during nitrogen fixation by a legume under field conditions. Plant Soil, v.144, p.23-29, 1992.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; KEENEY, D. R.; TANNER, C. B. Lysimeter and field measurements of chloride and bromide leaching in an uncultivated loamy sand. Soil Sci. Soc. Am. J., v.41, p.478-482, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; KEENEY, D. R.; TANNER, C. B. Nitrogen, chloride and water balance with irrigated russet burbank potatoes in a sandy soil. Agron. J., v.69, p.251-257, 1977.
Biblioteca(s): Embrapa Agrobiologia.

PALIS, R. G.; ROSE, C. W.; SAFFIGNA, P. G. Soil erosion and nutrient loss. IV. Effect of slope lenght on runoff, sediment yield, and total nitrogen loss from steep slopes in pineapple cutivation. Australian Journal Soil Research, v.35, n.4, p.907-923, 1997.
Biblioteca(s): Embrapa Pantanal.

GUINTO, D. F.; XU, Z.; HOUSE, A. P. N.; SAFFIGNA, P. G. Assessment of N2 fixation by understorey acacias in recurently burnt eucalypt forests of subtropical Australia using 15N isotope dilution techniques Can. J. For. Res., v. 30, p. 112-121, 2000.
Biblioteca(s): Embrapa Agrobiologia.

JURY, W. A.; GARDNER, W. R.; SAFFIGNA, P. G.; TANNER, C. B. Model for predicting simultaneous movement of nitrate and water throught a loamy sand. Soil Sci., v.122, n.1, p.36-43, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SAFFIGNA, P. G.; POWLSON, D. S.; BROOKES, P. C.; THOMAS, G. A. Influence of sorghum residues and tillage on soil organic matter and soil microbial biomass in an Australian vertisol. Soil Biol. Biochem., v. 21, n. 6, p. 759-765, 1989.
Biblioteca(s): Embrapa Agrobiologia.

ENDELMAN, F. J.; KEENEY, D. R.; GILMOUR, J. T.; SAFFIGNA, P. G. Nitrate and chloride movement in the plainfield loamy sand under intensive irrigation. J. Environ. Quality, v.3, n.3, p.295-298, 1974.
Biblioteca(s): Embrapa Agrobiologia.

STRONG, W. M.; AVALAKKI, U. K.; SAFFIGNA, P. G.; WALSH, J. J. Use of the arc method to measure nitrogen. In: International Symposium on the Use of Stable Isotopes in Plant Nutrition, Soil Fertility and Environmental Studies., v., p.1-15, 1990.
Biblioteca(s): Embrapa Agrobiologia.