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农业中常用的氮肥

  • 2026-05-23 08:10:23
农业中常用的氮肥
农业肥料种类很多，今天为大家分享单质肥—氮肥。

 氮肥种类有：铵态氮、硝态氮、酰胺态氮、氰氨态氮。前三个比较常见。

 其中铵态氮有：碳酸氢铵(NH4HCO3)、硫酸铵[(NH4)2SO4]、氯化铵(NH4Cl)、液氨(NH3)等。氮肥特性如下表：

  硝态氮：硝酸铵（NH4NO3）、硝酸钠（NO3Na）、硝酸钙[（NO3）2Ca]。

酰胺态氮：尿素（CO(NH2)2）。尿素根据粒径分为大小颗粒尿素，是买上还有很多包脂尿素。

氰氨态氮：石灰氮（CaCN2）。这个市面很少。

单质氮肥一般用作复合肥中的氮肥原料，好了，就分享到这里吧！

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  1. CONNECT:[ UseTime:0.000994s ] mysql:host=127.0.0.1;port=3306;dbname=h_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001440s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.016580s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000734s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001291s ]
  6. SELECT * FROM `set` [ RunTime:0.000524s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001452s ]
  8. SELECT * FROM `article` WHERE `id` = 517870 LIMIT 1 [ RunTime:0.001396s ]
  9. UPDATE `article` SET `lasttime` = 1780375221 WHERE `id` = 517870 [ RunTime:0.015069s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000691s ]
  11. SELECT * FROM `article` WHERE `id` < 517870 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001153s ]
  12. SELECT * FROM `article` WHERE `id` > 517870 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.007513s ]
  13. SELECT * FROM `article` WHERE `id` < 517870 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.009658s ]
  14. SELECT * FROM `article` WHERE `id` < 517870 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.015707s ]
  15. SELECT * FROM `article` WHERE `id` < 517870 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.013501s ]
0.238435s