Brookston can refer to a place in the United States:

EFFECTS OF CROPPING SYSTEM ON STRUCTURE OF BROOKSTON CLAY LOAM IN LONG...
Temperature dependence of nitrous oxide production from Brookston clay.
Atrazine and metolachlor residues in brookston Cl following conventional and conservation tillage culture
Production and Loss of Nitric Oxide from Denitrification in Anaerobic Brookston Clay
Effect of temperature on consecutive denitrification reactions in brookston clay and fox sandy loam.
Climatic factors contributing to year-to-year variation in grain yield of corn on Brookston clay.
Surface and subsurface transport of atrazine and alachlor from a Brookston clay loam under continuous corn production
Nutrient losses through tile drains under three cropping systems and two fertility levels on a Brookston clay soil.
Predicting soil organic carbon and total nitrogen using mid- and near-infrared spectra for Brookston clay loam soil in Southwestern ...
Determination of organic carbon and nitrogen in particulate organic matter and particle size fractions of Brookston clay loam soil u...