Methods of soil investigations for agricultural water engineering - Field tests - Part 7: Determination of infiltration rate by double ring infiltrometer— 3 стр.
65.060.35 Irrigation and drainage equipment / Ирригационное и дренажное оборудование
13.080.99 Other. Including agricultural aspects related to soils and re-use of soil materials / Качество грунта, прочие аспекты. Включая сельскохозяйственные аспекты, относящиеся к грунтам
