pore size distributionpore spacepore volumepore water velocityporosityporphyricporphyroskelic fabricpost emergence tillagepost harvest tillagepost planting tillagepotashpotash fixationpotassium fixationpotassium supplying power of soilspotholeppmprairie soilspre emergence tillagepre harvest tillagepre planting tillageprecipitationprecipitation interceptionpreconsolidation pressurpreconsolidation prestresspredationpreferential flowpresencepressure membranepressure panpriglacialprimary fabricprimary mineralprimary nutrientsprimary particlesprimary tillageprimary waste treatmentprime agricultural landpriming effectprismaticprismatic soil structureprocaryotesproductive capacityproductive soilproductivity soilprofile soilprokaryotespropaguleprotocooperationprotozoaproximal
