“soil alkalinity”的概念、定义、翻译、参考文献-科学参考

单词	soil alkalinity
释义	soil alkalinity Encyclopedia 农学土壤碱度释 soil alkalinity土壤碱度当pH大于7.0时土壤中碱性物质的总量。这些物质主要是钙、镁、钠的碳酸盐和重碳酸盐以及交换性盐基特别是交换性钠，但又因土而异。广义的土壤碱度是土壤达到某一参比pH时的土壤酸中和容量。
随便看	air cylinder air damped balance air-damped balance air data calibration technique air data measurement air data system air defence works design air defense early warning system air defense identification zone air-defense missile system air defense partition door air defense warning and command system airdent air-depolarized air Diffusion performance index air diffusion performance index air disinfection air-distillation air distribution system air distribution system performance evaluation air distributor air door airdox air drag air drawing

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