<Li> Animal husbandry <Ul> <Li> cattle </Li> <Li> pig </Li> <Li> poultry </Li> <Li> sheep </Li> </Ul> </Li> <Ul> <Li> cattle </Li> <Li> pig </Li> <Li> poultry </Li> <Li> sheep </Li> </Ul> <Li> Free - range </Li> <Li> Intensive <Ul> <Li> animal </Li> <Li> crop </Li> </Ul> </Li>

What is the foundation of holistic resource management (ch. 19)