问题：临界径流...

Thursday, September 15, 2022

问题：残茬覆盖 stubble mulch...

Thursday, September 15, 2022

问题：回归设计 regression design...

Saturday, September 14, 2024

问题：雏形土...

Sunday, December 29, 2024

问题：哪类土壤具有的塑性值较大。（）...

Monday, September 12, 2022

问题：黄土区侵蚀沟谷分布特征？...

Monday, September 12, 2022

问题：水汽运动...

Tuesday, January 2, 2024

问题：如何理解土壤是一种珍贵的自然资源...

Tuesday, May 20, 2025

问题：简述影响土壤氧化还原电位的因素。...

Thursday, September 15, 2022

问题：土水势...

Friday, May 31, 2024

问题：有效性养分 available nutrient...

Thursday, September 15, 2022

问题：烘干土即为风干土。...

Thursday, September 15, 2022

问题：土壤侵蚀指数...

Tuesday, February 14, 2023

问题：土壤调查...

Thursday, September 15, 2022

问题：阴离子吸附...

Monday, September 12, 2022

问题：土壤潜性酸...

Thursday, September 15, 2022

问题：土壤潜在肥力是不能被植物吸收利用的。...

Tuesday, April 1, 2025

问题：土壤碱化作用...

Friday, April 25, 2025

问题：土壤矿物学...

Sunday, January 21, 2024

问题：下列哪组元素构成植物必需营养元素：（）...

Thursday, September 15, 2022