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.
Methods of soil investigations for agricultural water engineering; physical laboratory tests, determination of the subsidence of peat soils after drainage— 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 stability of the soilaggregates using artificial raindrops— 3 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 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 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 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 height of closed capillary fringe— 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 shrinkage of mineral soils— 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 grain size distribution after treatment using water— 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.
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 investigations for agricultural engineering; field tests, determination of carbonates, sulfides, pH-value and divalent iron ions— 2 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Land drainage and infiltration management works— 13 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 - Chemical laboratory tests - Part 7: Determination of readily soluble bivalent iron— 3 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 water engineering - Field tests - Part 7: Determination of infiltration rate by double ring infiltrometer— 3 стр.
Methods of soil investigations for agricultural water engineering - Field tests - Part 13: Determination of carbonate, sulfide, ph-value and iron(II)-ions— 4 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.
