黑龙江垦区从1975年开始研究稀土农业应用技术,至1984年稀土农用面积已达343万亩,普遍应用于小麦、大豆、玉米等作物.平均增产率为10.6%。稀土农用已列为该垦区农业生产的常规措施,施用面积与范围仍在逐年扩大。经小区试验与大面积示范结果均表明,稀土对小麦、玉米、大豆、甜菜、秋白菜等作物的增产效果是稳定的。春小麦施用稀土平均增 Heilongjiang reclamation area began to study the application of rare earth agricultural technology in 1975. By 1984, the area of ​​rare earth agricultural reached 343 million mu, which is commonly used in crops such as wheat, soybean and corn with an average rate of increase of 10.6%. Rare-earth agricultural use has been listed as a routine measure for agricultural production in this reclamation area. The area and scope of its application are still expanding year by year. The plot test and large-scale demonstration results show that rare earth on wheat, corn, soybean, sugar beet, cabbage and other crops yield is stable. The average increase of spring wheat application of rare earth