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 analysis for water management for agricultural purposes - Physical laboratory tests - Determination of grain size distribution by sieving— 2 стр.
Methods of soil analysis for water management for agricultural purposes - Physical laboratory tests - Determination of grain size distribution after pretreatment using sodium pyrophosphate— 3 стр.
Drainage; Control of Sub-surface Water Management by Drainage with Pipes, Open-ditch Drainage and Amelioration of the Subsoil; Important Data for Planning and Dimensioning— 17 стр.
Methods of soil investigations for agricultural engineering; field tests, determination of carbonates, sulfides, pH-value and divalent iron ions— 2 стр.
Methods of soil analysis for water management for agricultural purposes - Physical laboratory tests - Determination of grain size distribution after treatment using water— 2 стр.
Methods of soil analysis for water management for agricultural purposes; Physical laboratory tests; Determination of the soil moisture suction pressure— 2 стр.
Methods of soil analysis for water management for agricultural purposes; Physical laboratory tests; Determination of shrinkage of mineral soils— 2 стр.
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 analysis for water management for agricultural purposes; physical laboratory tests; determination of height of closed capillary fringe— 2 стр.
Methods of soil analysis for water management for agricultural purposes; physical laboratory tests; determination of solid matter content and pore volume in mineral soils— 2 стр.
Methods of soil analysis for water management for agricultural purposes; physical laboratory tests; determination of solid matter content (relative compaction) of bog soils— 2 стр.
Methods of soil analysis for water management for agricultural purposes; physical laboratory tests; determination of the microstructure of a soil on thin sections— 2 стр.
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 water engineering; physical laboratory tests, determination of the stability of the soilaggregates using artificial raindrops— 3 стр.
Methods of soil investigations for agricultural water engineering; physical laboratory tests, determination of potential soil structure after cracking-picture— 2 стр.
Methods of soil investigations for agricultural water engineering; physical laboratory tests, determination of the subsidence of peat soils after drainage— 3 стр.
Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 3: Construction and documentation— 12 стр.
Drainage; Control of Sub-surface Water Management by Drainage with Pipes, Open-ditch Drainage and Amelioration of the Subsoil; Important Data for Planning and Dimensioning— 17 стр.
Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 3: Construction and documentation— 12 стр.
