The journal of the Department of Agriculture of Porto Rico - Puerto Rico. Department of Agriculture and Labor.; Puerto Rico. Department of Agriculture.; Puerto Rico. Department of Agriculture and Commerce. (Dept. of Agriculture and Labor, 1920)
Title fluctuates: Journal of the Department of Agriculture and Labor of Porto Rico, Jan. 1919-<Apr. 1919>; Journal of the Department of Agriculture of Porto Rico, <Oct. 1919-Oct. 1920>; Journal of the Department of Agriculture and Labor of Porto Rico <Jan. 1922>-Jul. 1922; Journal of the Department of Agriculture of Porto Rico, Oct. 1922- --- Title from cover. --- Issued by: Dept. of Agriculture and Labor, Apr. 1917-Jan. 1920; Dept. of Agriculture, Apr. 1920-Apr. 1925; Dept. of Agriculture and Labor, Oct. 1925-Apr. 1931; Dept. of Agriculture and Commerce, July 1931-Oct. 1933.
Keywords: Agriculture; Botany; Experimentation; Periodicals; Puerto Rico