収穫[shuukaku] harvest
収穫感謝祭[shuukakukanshasai] Thanksgiving Day
収穫期[shuukakuki] harvest time
収穫高[shuukakudaka] crop
収穫時[shuukakuji] time of harvest

収穫物[shuukakubutsu] the harvest
収穫予想[shuukakuyosou] crop estimate
予想収穫高[yosoushuukakudaka] crop estimate
収穫祭[shuukakusai] harvest festival
収穫逓減の法則[shuukakuteigennohousoku] law of diminishing returns