Methods of soil analysis for water management for agricultural purposes; physical laboratory tests; determination of structural stability of a soil by the wet sieving method— 2 стр.
Methods of soil investigations for agricultural engineering - Physical laboratory tests - Part 16: Determination of aggregate stability using the method of wet sieving— 6 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 water engineering - Physical laboratory tests - Part 14: Determination of volume of solids of bog soils— 3 стр.
Methods of soil investigations for agricultural water engineering - Physical laboratory tests - Part 13: Determination of soil density, total pore volume and porenumber of mineral soils— 3 стр.
Methods of soil investigations for agricultural engineering - Physical laboratory tests - Part 16: Determination of aggregate stability using the method of wet sieving— 6 стр.
Methods of soil investigations for agricultural water engineering - Physical laboratory tests - Part 19: Determination of the subsidence of peat land after drainage— 4 стр.
