A further memorandum on the draining of hilly lands with a view to reducing soil erosion

Felsinger, E.O.2022-10-032022-10-031930Tropical Agriculturist, 74:p.68-70https://dl-doa.nsf.gov.lk/handle/1/6208A further memorandum on the draining of hilly lands with a view to reducing soil erosionA