近年来,我市马铃薯种植面积20万公顷以上,占全省种植面积的36%以上,总产量310万吨以上,占全省总产量的35%以上,是我市总产量增长最快、增收效益最为明显的特色农产品。原因在于马铃薯种植时间短、效益好、农民生产积极性高,舍得投入,但在施肥量方面,农户普片认为施肥量越大、产量越高,因此不仅造成成本增加,也严重 In recent years, the potato planting area in our city is more than 200,000 hectares, accounting for more than 36% of the total area planted in the province with a total output of over 3.1 million tons, accounting for more than 35% of the province’s total output. The most obvious benefit of agricultural products. The reason is that the potato planting time is short, the benefits are good, and the peasants are highly motivated and willing to invest. However, in terms of the amount of fertilizers, the larger the amount of fertilizers, the higher the yield of the farmers, which results in not only increased costs but also serious