Methods of soil analysis for water management for agricultural purposes; physical laboratory tests; determination of water permeability in water saturated soil samples taken by the cylindrical core-cutter— 2 стр.
Methods of soil investigations for agricultural engineering - Physical laboratory tests - Part 9: Determination of the saturated hydraulic water conductivity in the cylindrical core-cutter— 7 стр.
Drainage; Control of Sub-surface Water Management by Draining with Pipes, Open-ditch Drainage and Amelioration of the Subsoil; General Instructions and Special Cases— 17 стр.
Drainage; Control of Sub-Surface Water Management by Drainage with Pipes, Open-Ditch Drainage and Amelioration of the Subsoil; Design and "As Completed" Drawings— 2 стр.
Methods of soil investigations for agricultural engineering - Physical laboratory tests - Part 9: Determination of the saturated hydraulic water conductivity in the cylindrical core-cutter— 7 стр.
