长效氮肥——硫衣尿素

• 出 处: 土肥与科学种田
• 发表日期: 1972年04期
• 关键词: 长效氮肥 尿素 淋失 氮肥 速效 调理剂 缺氮 煤焦油 颗粒肥料 渗透性

目前普遍施用的氮肥都是水溶性的,作物易于有效利用它。但缺点是:容易淋失;速效氮太多,会伤苗和植株;最初施下去的氮肥,植物耗用过多,到后期又缺氮;有

Nitrogen fertilizers commonly used today are water-soluble and crops are easy to use efficiently. But the disadvantage is: easy to leaching; too much available nitrogen, will hurt the seedlings and plants; the first application of nitrogen fertilizer, plants consume too much, to the late nitrogen deficiency;