Richards, A.V.2016-10-182016-10-18https://hdl.handle.net/2139/43100Soybean -- Trinidad and TobagoSoybean -- Inoculation -- Trinidad and Tobago -- Field experimentsSoybean -- Fertilizers -- Trinidad and Tobago -- Field experimentsPotassium fertilizers -- Trinidad and Tobago -- Experiments -- 20th centurySoybean : "inoculation" and effect of potash manuringTheses