authors Pachas, A. Nahuel A. Sakanphet, Somphanh Soukkhy, Outhai Lao, Maichor Savathvong, Sianouvong Newby, Jonathan Souliyasack, Bounkieng Keoboualapha, B. Dieters, Mark
has subject area agronomy companion planting crop crops growing season growth intercropping mathematics sowing spacing stocking tectona thinning