论文部分内容阅读
今年农历3月,又到了种西瓜的季节。但种什么西瓜、用什么肥好呢?像往年一样,我到镇上经营化肥、农药商店去问宁老板因为平时有什么新技术、好药、好的化肥他都介绍给我们使用,我们都很相信他。这次,宁老板向我推荐了一个西瓜新品种“黑美人”。他说:“这种瓜长势强,适宜高温栽培,糖度高,皮薄硬,肉质细嫩多汁,外观可爱美观。虽然产量比无籽西瓜低,但价钱比无籽西瓜高出几倍,非常畅销。”我又问:“哪用什么肥料呢?”他就向我介绍了“牛皮肥”。他说:“牛皮肥是一种很好的有机复合肥,它是用动物的皮、毛、骨作原料,经特殊方法处理,并合理配以适量的氮、磷、钾、硫、钙、
This year in March of the lunar calendar, we arrived in the season of watermelon. But what kind of watermelon, what kind of fat is good? As in previous years, I went to the town to run fertilizers, pesticides store to ask Ning boss because usually there are new technologies, good medicine, good fertilizer he introduced to us to use, we all I believe him very much. This time, Ning boss recommended to me a new watermelon variety “black beauty.” He said: “This kind of melon grows strong, suitable for high-temperature cultivation, high sugar content, thin, hard, succulent and juicy, lovely appearance. Although the yield is lower than that of seedless watermelon, but the price is several times higher than that of seedless watermelon. Best-selling.” I asked again: “Which fertilizer is used?” He introduced me to “leather.” He said: ”The cow manure is a very good organic compound fertilizer. It uses animal skin, hair, and bone as raw materials, and is treated by special methods, and is properly matched with appropriate amounts of nitrogen, phosphorus, potassium, sulfur, calcium,