The irrigating water quota , number of irrigation and frequency of irrigation , which is sure to provide the water in time to the forage grass field and get highly stable yield .
为保证饲草料地土壤水分的适时供给并获得稳产高产所确定的灌溉定额，灌水次数和灌水时间。
A natural predator indigenous to India, Neodumetia sangawani, was found useful in controlling the Rhodes grass-scale insect that was devouring forage grass in many parts of the US.
人们发现来自印度本土的食肉动物 Neodumetia sangawani 有助于控制在罗德岛草场大规模泛滥的昆虫，这种昆虫吞食了美国多地的草场。
Even pigs and chickens, which lack the digestive machinery to eat grass, don't need grain. Instead they can subsist on leftovers and whatever they forage.
不能够消化草的猪和鸡不食草，它们可以吃剩菜和其它饲料。
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