多年来,化肥在农业增产增效中做出了巨大贡献,对促进农业快速发展及解决全国的粮食安全问题起到至关重要作用。但是,由于近年来,农业技术指导宣传不到位,农民存在滥用、盲目 Over the years, chemical fertilizers have made great contributions to increasing agricultural output and increasing efficiency. They play a crucial role in promoting the rapid development of agriculture and solving the national food security problem. However, in recent years, the agricultural technology guidance is not in place, farmers abuse, blind