A switch to forest gardening and other forms of permaculture is trickier, especially for producing grain; but such is the scale of the creeping emergency that we can't afford to rule anything out.
转而向森林园艺以及其他形式的永续农业来谋求出路比较困难，尤其是在生产粮食方面；然而这种紧急情况蔓延的态势已经到了如此地步，排除任何救治之道都让我们承受不起。
Tractors that should now be ploughing land for sowing winter grain have been mobilised to dig trenches round fields to stop forest fires encroaching on farmland.
本来应该开垦土地、播种冬季作物的拖拉机，现在被用来挖掘防火沟，以防止大火蔓延到农田。
Cellulosic feedstocks mainly include straws, forest wastes and saw dust. Straw is the largest source of non-grain feedstock for producing fuel ethanol in China by output.
纤维质原料主要包括农作物秸秆、农林废弃物、木屑等，其中农作物秸秆是我国产量最大的非粮燃料乙醇原料。
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