rauj zeb

Cov nyom mower tuaj yeem ua haujlwm hauv vaj, hav zoov, thiab ua liaj ua teb, nws tuaj yeem txuag tau ntau lub sijhawm los txiav nyom thiab straw

biomass rauj zeb tuaj yeem ua nrog straw, ceg ntoo, biomass stalk thiab lwm yam khoom siv