Buscar
Mostrando ítems 11-11 de 11
Evaluación de tres tratamientos pre-germinativos y tres tipos de sustratos para la propagación de arrayán (Myrcianthes hallii) (O. Berg) Mcvaugh.
(Escuela Superior Politécnica de Chimborazo, 2021-09-07)
The evaluation of three pre-germination treatments (Pa: cold water for 24 hours, Pb: alcohol 5% for 24 hours and Pc: chlorine 20% for 24 hours) and three substrates (S1= 100% river sand, S2= soil 5% for 24 hours and Pc: ...