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笔者经过大量试验示范,提出农家肥为主,化肥为辅的甜菜施肥原则,并详细介绍了甜菜施肥的方法。
After a large number of experiments and demonstrations, the author put forward the principle of fertilizing sugar beet supplemented mainly by farmyard manure and fertilizers, and introduced the methods of applying sugar beet fertilizers in detail.