Phrases with «soil»

moisture carbon erosion sample fertility condition health type quality microbe water temperature bacterium layer nutrient science surface amendment scientist depletion system structure property organism degradation particle respiration depth test contamination loss microorganism profile testing environment chemistry conservation composition texture salinity microbiome mix ecosystem level sequestration product productivity characteristic core formation

fertile potting agricultural healthy rich lunar foreign sandy frozen good wet poor dry organic volcanic loose infected bare deeper top rocky acidic degraded natural undisturbed native radioactive salty polluted soft biological shallow compacted arable local alkaline different thin red same dark barren eroding ancient upper clean new toxic bad heavy

home forest clay garden desert peat surface quality wetland mineral farm

contaminate deplete

diaper area