mhomicamicaceousmicritemicroaerophilemicrobial biomassmicrobial populationmicrobiotamicroclimatemicrofaunamicrofloramicronutrientmicroporesmicroreliefmicrositemicrosparitemine dumpsmineralmineral soilmineralizationmineralogical analysisminerotrophicminimum tillageminor elementsmiscellaneous areasmiscible displacementmixingmodermoderately coarse texturemoderately fine texturemodeximohr circle of stressmohr envelopemohs scale of hardnessmoisture equivalentmoisture mass percentagemoisture pressuremoisture ratiomoisture release curvemoisture retention curvemoisture tensionmoisture volume percentagemoldboard tillagemollic epipedonmollisolsmonomorphic materialmontmorillonitemontmorillonite saponite groupmontmorilloniticmor
