Tractor-trailer truckslin e up along a red and muddy earthen road. Large vinyl tarpaulins secured by ropes cover the open-topped hoppers of each one. Truck drivers hang out and prepare simple meals using stoves and kitchen utensils contained in a compact box built into the side of the truck cab. It’s early March, still the middle of a lush and highly predictable rainy season. Th e trucks wait for their turn and then enter a large modern compound with a football fi eld–sized building where they are loaded with recently harvested and dried soybeans and weighed.
Cation Leaching from Forest and Pasture Soils, Para, Brazil
Cation Leaching from Forest and Pasture Soils, Para, Brazil
This data set provides a time series of calcium, magnesium, and potassium extracted from soil samples from a laboratory column extraction study conducted in 2002. Soils used in the columns were originally collected in 1998 in Fazenda Vitoria, a cattle ranch 6 km...