And farmers can use camel waste to fertilize their crops.

VOA: special.2009.01.13

So, we have evidence that the king doled out seed for planting, instructed people just exactly when to plant, where to plant, what to plant there, when to fertilize it if they did.

也有证据表明,国王恩赐作物种子,指导人民在何时,何地,耕种何种植物,以及如何在恰当的时间施肥

耶鲁公开课 - 古希腊历史简介课程节选

The technique was taught by aid workers who also showed the farmers how to fertilize with compost or manure.

VOA: standard.2009.12.10