Methods of soil investigations for agricultural engineering - chemical laboratory tests - part 10 : testing and evaluation of water for irrigation 农业水利工程中土壤研究方法.化学实验室试验.第10部
Methods of soil investigations for agricultural water engineering - physical laboratory tests - part 14 : determination of volume of solids of bog soils 农业水利工程土壤调查方法.实验室物理试验.第14部分
Methods of soil investigations for agricultural water engineering - field tests - part 13 : determination of carbonate , sulfide , ph - value and iron - ions 农业水利工程中土壤调查方法.野外试验.第13部分:碳酸
Methods of soil investigations for agricultural water engineering - field tests - part 7 : determination of infiltration rate by double ring infiltrometer 农业水利工程中土壤调查方法.野外试验.第7部分:用双
Methods of soil investigations for agricultural water engineering - physical laboratory tests - part 19 : determination of the subsidence of peat land after drainage 农业水利工程中土壤调查方法.物理实验室试验.第19部
Methods of soil investigations for agricultural engineering ; chemical laboratory tests , determination of the plant detrimental sulphides and poly sulphides in the soil 农业水利工程中土壤研究方法.化学实验室试验.土壤中
Methods of soil investigations for agricultural water engineering - chemical laboratory tests - part 3 : determination of the loss on ignition and the residue of soil after ignition 农业水利工程中土壤研究方法.化学实验室试验.第3部
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 农业水利工程土壤调查方法.实验室物理试验.第13部分
