Contribution of ammonium to stimulation of smooth pigweed (Amaranthus hybridus L.) germination by extracts of hairy vetch (Vicia villosa Roth) residue
Teasdale, J.R. (USDA, Agricultural Research Service, Beltsville (USA)) ; Pillai, P.T
Weed biology and management, 2005-03, Vol.5 (1), p.19-25 [Periódico revisado por pares]Melbourne, Australia: Blackwell Science Pty
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