利用飞机播种牧草,是大面积改良天然草场和建立人工割草地的有效措施和先进的技术手段。国外许多畜牧业发达的国家如澳大利亚、新西兰等,已在生产中应用。但在我国还是一项新兴事业,还有许多问题需要进行研究。1980年以来,我省连续三年进行飞播牧草共30余万亩。试验内容包括不同的草种和组合、播量、种子处理、地面处理等。 The use of airplanes to sow pasture is an effective measure and an advanced technical measure to improve the natural grassland and establish artificial grassland on a large scale. Many foreign husbandry developed countries such as Australia, New Zealand, etc., have been applied in production. But in our country is still a new career, there are many problems need to be studied. Since 1980, the province has conducted more than 30 million mu of aerial seeding grass for three consecutive years. Tests include different species and combinations of grass, sowing, seed treatment, ground handling and so on.