Ramon Ma Epino writes from the Philippines about producing fertilizer from earthworms for agriculture. THERE IS ONE sure organic fertilizer for productivity in earthworm castings. With the rising cost of petroleum-based chemical fertilizers there areother options. One of them is vermiculture, a very simple system of manufacturing organic fertilizer using organic waste for earthworm casting. "There are many advantages of using fertilizer from earthworm casting mixed with farm wastes as it is low-cost and the farm yields are very productive," says Roily Bongoyan, a sugar can farmer and political affairs officer of Congressman Herminio Teves of the third congressional district of Negros Occidental where sugar cane farming is widely practiced.
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机译：拉蒙·马·埃皮诺（Ramon Ma Epino）在菲律宾写信说，用producing为农业生产肥料。在worm铸件中只有一种肯定的有机肥料可以提高生产率。随着石油基化肥成本的上涨，还有其他选择。其中之一是ver虫栽培，这是一种非常简单的系统，利用有机废物铸造casting来制造有机肥料。 “ worm铸造肥料与农业废料混合使用具有许多优势，因为它成本低廉，且农业产量很高”，第三届国会议员糖罐农民兼政治事务官员罗里·邦戈扬（Roily Bongoyan）说。 Negros Occidental的一个地区，在那里广泛进行甘蔗种植。
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