过磷酸钙的机械深施

• 作 者: 李贵
• 机 构: 康平县农机研究所
• 出 处: 新农业
• 发表日期: 1994年04期
• 关键词: 施肥机械 左右移动 农艺要求 深层水 移动量 农机研究所 铁犁 康平县 上图 插板

过磷酸钙的机械深施过磷酸钙肥源广泛、价格便宜，在某些地区仍大量用做基肥或种肥。因过磷酸钙易潮解粘着，目前许多施肥机不能较好地排施，而手工撒施过磷酸钙存在着“浅、散、露”等弊端，损失串可达２０－３０％。另外，磷在土壤中不易随水上下左右移动，有试验证明，...

SSP super mechanical calcium phosphate fertilizer over a wide range of sources, the price is cheap, in some areas are still used as a large number of base fertilizer or fertilizer. Due to the deliquescence and stickiness of superphosphate, many fertilizers can not be discharged well at present. However, the disadvantages of “superficial, scattered and dew” hand-applied over calcium phosphates are lost and the lost strings can reach 20-30%. In addition, phosphorus in the soil is not easy to move up and down with water, a test proved that ...