Tuesday, August 22, 2023
Friday, September 22, 2023
Monday, February 19, 2024
问题:农业生产上最理想的土壤质地类型()。A、沙土类B、粘土类C、壤土类D、三类全是
Sunday, March 31, 2024
Wednesday, October 4, 2023
Monday, February 19, 2024
Tuesday, April 16, 2024
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:农化服务队伍实行分级负责制度,公司总部设置的农化服务技术岗位、管理岗位专职人员主要职责
Thursday, February 15, 2024
问题:分别说明氮肥在旱地施用时,氮素损失的途径有哪些?提高氮肥利用率的相应措施是哪些?
Thursday, February 15, 2024
Tuesday, August 22, 2023
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Sunday, January 22, 2023
Tuesday, May 16, 2023
问题:下列属于缓控释肥的代表产物的是:()A、脲醛化合物B、硫包膜尿素C、聚合物包膜尿素D、多肽尿素
Monday, September 12, 2022
问题:下列哪些肥料可满足水肥一体化对肥料的要求:()A、复合肥料B、复混肥料C、掺合肥料D、BB肥
Thursday, September 15, 2022
问题:下列哪些肥料可满足水肥一体化对肥料的要求:()A、复合肥料B、复混肥料C、掺合肥料D、BB肥
Thursday, September 15, 2022