Gilbert, J.H. Results of experiments at Rothamsted, on the growth of barley, for more then thirty years in succession on the same land : "being a lecture delivered June 29, 1886, at the Royal Agricultural College, Cirencester : from the ""Agricultural student's gazette"", new series - vol. 3, part 1" / by J.H. Gilbert; J.H. Gilbert .— : [Б.и.] .— 30 с. — Lang: eng .— URL: https://rucont.ru/efd/117725 (дата обращения: 15.11.2025)