REFERENCES
- Borghi E, Crusciol CAC 2007: Corn yield, spacing and intercropping modalities with Brachiaria brizantha in no-tillage system. Pesq. Agropec. Bras., 42, 163–171.
- Botrel MA, Alvim MJ, Xavier DF 1999: Evaluation of forage grasses for the South region of Minas Gerais. Pesq. Agropec. Bras., 34, 683–689.
- Bremner JM, Mulvaney CS 1982: Nitrogen‒total. In Methods of Soil Analysis 2nd edn, Ed. Page AL, Miller RH, Keeney DR, pp. 595–624. American Society of Agronomy, Madison, WI.
- Damin V, Franco HCJ, Moraes MF, Franco A, Trivelin PCO 2008: Nitrogen loss in Brachiaria decumbens after application of glyphosate or glufosinate-ammonium. Sci. Agric., 65, 402–407.
- Damin V, Trivelin PCO, Carvalho SJP, Moraes MF, Barbosa TG 2010: Herbicide application increases nitrogen (15N) exudation and root detachment of Brachiaria decumbens Stapf. Plant Soil, 334, 511–519.
- Duke SO, Hoagland RE 1985: Effects of glyphosate on metabolism of phenolic compounds. In The Herbicide Glyphosate, Ed. Grossbard E, Atkinson D, pp. 75–91. Butterworths, London.
- FAO – Food and Agriculture Organization of the United Nations 2006: World Soil Resources Report. FAO, Rome (World Reference Base for Soil Resources, 103).
- Farquhar GD, Firth PM, Wetselaar R, Weir B 1980: On the gaseous exchange of ammonia between leaves and the environmental: Determination of the ammonia compensation point. Plant Physiol., 66, 710–714.
- Hoagland RE, Duke SO, Elmore CD 1979: Effects of glyphosate on metabolism of phenolic compounds. III. Phenylalanine ammonia-lyase activity, free amino acids, soluble protein and hydroxiphenolic compounds in axes of dark-grown soybeans. Physiol. Plant, 46, 357–366.
- Holland JN, Cheng W, Crossley DAJ 1996: Herbivore induced changes in plant carbon allocation assestment of below-ground C fluxes using carbon-14. Oecologia, 107, 87–94.
- Kremer RJ, Means NE, Kim S 2005: Glyphosate affects soybean root exudation and rhizosphere microorganisms. Int. J. Environ. Anal. Chem., 85, 1165–1174.
- Malavolta E, Vitti GC, Oliveira AS 1997: Evaluation of the Plant Nutritional Status: Principles and Applications 2nd edn, Associação Brasileira para Pesquisa da Potassa e do Fosfato, Piracicaba.
- Marschner H 1995: Mineral Nutrition of Higher Plants, Academic Press, London.
- Marstorp H 1995: Influence of protein degradation and protein content in cut Lolium multiflorum leaves on the delay in ammonia volatilisation. Swed. J. Agric. Res., 25, 179–183.
- Melillo JM, Steudler PA, Feigl BJ, Neill C, Garcia D, Piccolo MC, Cerri CC, Tian H 2001: Nitrous oxide emissions from forests and pasture of various ages in the Brazilian Amazon. J. Geophys. Res., 106, 179–188.
- Mohr RM, Janzen HH, Entz MH 1998: Nitrogen dynamics under greenhouse conditions as influenced by method of alfalfa termination. 1. Volatile N losses. Can. J. Soil Sci., 78, 253–259.
- Nömmik H 1973: The effect of pellet size on the ammonia loss from urea applied to forest. Plant Soil, 39, 309–318.
- Parton WJ, Morgan JA, Altenhofen JM, Harper LA 1988: Ammonia volatilization from spring wheat plants. Agron. J., 80, 419–425.
- Raij BV, Andrade JC, Cantarella H, Quaggio JA 2001: Chemical Analysis for Determination of Tropical Soils Fertility, Instituto Agronômico, Campinas.
- Raij BV, Cantarella H, Quaggio JÁ, Furlani AMC 1996: Liming and Fertilizer Recommendations for São Paulo State 2nd edn, Instituto Agronômico/Fundação IAC, Campinas.
- Rodrigues BN, Almeida FS 2005: Herbicide Handbook, 5th edn, IAPAR, Londrina.
- Rosolem CA, Werle R, Garcia RA 2010: Nitrogen washing from C3 and C4 cover grasses residues by rain. R. Bras. Ci. Solo., 34, 1899–1905.
- Schjoerring JK, Husted S, Mattson M 1998: Physiological parameters controlling plant-atmosferic ammonia exchange. Atmos. Environ., 32, 491–498.
- Schjoerring JK, Mattsson M 2001: Quantification of ammonia exchange between agricultural cropland and the atmosphere: Measurements over two complete growth cycles of oilseed rape, wheat, barley and pea. Plant Soil, 228, 105–115.
- Subbarao GV, Nakahara K, Hurtado MP et al. 2009: Evidence for biological nitrification inhibition in Brachiaria pastures. PNAS, 106, 17302–17307.
- Timossi PC, Durigan JC, Leite GJ 2006: Efficacy of glyphosate in cover crops. Planta Daninha, 24, 475–480.
- Wendler C, Barniske EM, Wild A 1990: Effect of phosphinothricin (glufosinate) on photosynthesis and photorespiration of C3 and C3 plants. Photosynth. Res., 24, 55–61.
- Werner JC, Paulino VT, Cantarella H, Andrade NO, Quaggio JA 1996: Forrageiras. In Recomendações de adubação e calagem para o Estado de São Paulo, Ed. Raij B, Cantarella H. Quaggio JA, Furlani MAC, pp. 263–27. Instituto Agronômico, Campinas, SP.
- Whitehead DC, Lockyer DR 1989: Decomposing grass herbage as a source of ammonia in the atmosphere. Atmos. Environ., 23, 1867–1869.
- Whitehead DC, Lockyer DR, Raistrick N 1988: The volatilization of ammonia from Perennial Ryegrass during decomposition, drying and induced senescence. Ann. Bot., 61, 567–571.