Bulwer, H.C. Earle2016-01-262016-01-262016-01-26https://hdl.handle.net/2139/41365Green manure crops -- Trinidad and Tobago -- Saint AugustineGreen manuring -- Trinidad and Tobago -- Saint AugustineSoil fertility -- Research -- Trinidad and Tobago -- Saint AugustineStudies of green manure cropsTheses