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采用不同浓度和不同施用方法的稀土微肥。对15种牧草进行了三年试验,其结果表明稀土微肥对牧草的生长发育和增产效果是显著的,其施用的最佳浓度禾本科牧草是600ppm(30克/亩),豆科牧草是1000ppm(50克/亩),平均增产幅度分别为10％～15％和15％～20％。
The use of different concentrations and different methods of application of rare earth fertilizer. Three years of experiment on 15 species of grass showed that the effect of rare earth fertilizer on the growth and yield increase of forage was significant. The optimal application rate of grass was 600ppm (30g / acre) and that of leguminous forage was 1000ppm (50g / mu), the average rate of increase of 10% to 15% and 15% to 20%.