Terms for subject Agriculture containing Amelioration

English	Chinese
amelioration of marsh	沼泽［土壤］改良
hydrotechnical amelioration	水利技术土壤改良
orchard soil amelioration	果园土壤改良
race amelioration	育种
race amelioration	品种改良
rice soil amelioration	水稻土改良
seed amelioration	种子改良
seed amelioration	种子育种
soil-amelioration materials	土壤［结构］改良剂