Molecular mechanism of seasonal dormancy in perennial woody plant .
多年生木本植物季节性休眠的分子机制。
European biofuels developers are buying large tracts of what they call " marginal land " in africa with the aim of cultivating biofuel crops , particularly the woody bush known as jatropha .
Each tuber weighs one to several pounds depending up on the cultivar type and feature gray-brown , rough woody textured skin .
根据不同的品种类型,每一个块茎重量可达1英镑到几英镑,颜色为灰棕色,表皮为粗糙的木质纹理。
Hemcrete is manufactured from locally-grown hemp ' shiv ' - the plant 's woody core - which is mixed with a lime-based binder to form a composite material which is carbon negative and has high thermal inertia .