Dehydrogenase and phosphatase activities in soil as influenced by the growth of arid-land crops

alkaline phosphatase arid soils biochemistry biochimie cyamopsis psoralioides fosfatasa alcalina fosforo oxidoreductases oxidorreductasas pennisetum typhoides phosphatase alcaline phosphore phosphorus rhizosphere rizosfera soil sol sol de zone aride suelo vigna aconitifolia vigna radiata radiata