问题：养分离子从土壤转入植物体内的过程？...

Saturday, August 16, 2025

问题：简述磷的含量分布。...

Saturday, August 16, 2025

问题：累积利用率...

Thursday, December 21, 2023

问题：为什么说施用配方肥比只上一种肥料好的多？...

Saturday, August 16, 2025

问题：氨态氮肥有什么特点？...

Saturday, August 16, 2025

问题：简述硫的含量分布。...

Thursday, November 16, 2023

问题：简述堆肥腐熟过程。...

Saturday, August 16, 2025

问题：测土配肥的科学配方应考虑的十个因素是什么？...

Tuesday, January 21, 2025

问题：钙缺乏植物会怎样？...

Tuesday, January 21, 2025

问题：施用钾肥时应该注意什么？...

Friday, May 3, 2024

问题：合理施肥的意义是什么？...

Tuesday, July 8, 2025

问题：填写土样标签应包括哪些内容？...

Saturday, August 16, 2025

问题：复合肥料...

Thursday, December 21, 2023

问题：磷肥合理施用的原则是什么？...

Saturday, August 16, 2025

问题：磷过多时，植物会怎样？...

Thursday, November 16, 2023

问题：简述复合肥料的缺点。...

Friday, July 5, 2024

问题：作物对镁的吸收量顺序是什么？...

Saturday, August 16, 2025

问题：土壤养分测定值有什么作用？...

Friday, May 3, 2024

问题：氮肥的营养功效？...

Thursday, June 19, 2025

问题：简述锰的营养作用。...

Thursday, October 12, 2023