@article{icrisat4588, title = {Urease activity in tropical rice soils and flood water}, publisher = {Elsevier}, author = {K L Sahrawat}, pages = {195--196}, year = {1980}, volume = {12}, journal = {Soil Biology and Biochemistry}, number = {2}, url = {http://oar.icrisat.org/4588/}, abstract = {Tables show the urease activity of the flood water and of some widely different rice soils of the Philippines.} }