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亩产万斤稻,要施多少肥?我们介绍四川省六个社队丰产田的施肥材料,给培育卫星田的同志们,在解决问题时,提供一个参考资料。上面的材料
We will introduce fertilizing materials from the six high-yielding fields of the six communes in Sichuan Province and give comrades to cultivate the satellite fields a reference material when solving the problems. The above material