 | Abstract 297Levels of essential mineral elements in cultivated grasses from the Mexican tropics.Rosiles-Martinez,-R; Rivas-Montalvo,-V; Aguirre-G,-MA; Lopez-Lopez,-R Fac. Med. Vet. y Zootec., Univ. Nacional Autonoma de Mexico, 04510 Mexico D.F., Mexico. Veterinaria---Mexico. 1986, 17: 1, 13-16; 8 ref. On a DW basis analysed by atomic absorption the av. levels of Ca, Mg, Zn, Mn, Fe, Na, K and P in the species tested were: Panicum maximum 61 717, 3343, 3.75, 43.7, 137, 102, 2677, 7087 and 0.161 p.p.m., resp., Pennisetum purpureum 4419, 1011, 3.06, 65.7, 115, 87, 2488, 12 270 and 0.25 p.p.m., resp., Cynodon plectostachyus 5516, 1050, 6.6, 70, 115, 148, 2350, 8566 and 0.23 p.p.m., resp., Setaria anceps [S. sphacelata cv. Nandi] 4420, 1800, 4.0, 38, 102, 59, 9302, 8360 and 0.11 p.p.m., resp., Tripsacum latifolium 4000, 2012, 0.1, 17, 78, 44, 3180, 5985 and 0.10 p.p.m., resp., Brachiaria brizantha 5886, 1918, 9.1, 52, 115, 85, 2354, 2853 and 0.20, resp., Dolichos spp. 8500, 3500, 2.5, 67, 44.9, 206, 2562, 17 000 and 0.20 p.p.m. and Pennisetum ciliare [Cenchrus ciliaris] 3529, 1337, 0.1, 50, 50, 87, 1975, 5937 and 0.10, resp. The levels of Ca, Mg, Mn, Na and Zn in P. maximum, P. purpureum, S. anceps, C. plectostachyus, T. latifolium and B. brizantha and P in P. purpureum, C. plectostachyus, B. brizantha and Dolichos spp. were thought to meet cattle requirements. This abstract relates to the following species:
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