@article{Alexander:263676, recid = {263676}, author = {Alexander, Alex G.}, title = {ABNORMAL ENZYME ACTIVITY AS AN EARLY INDICATOR OF NUTRIENT DEFICIENCIES IN PLANTS}, address = {1965-08-09}, number = {2033-2017-4796}, pages = {17}, year = {1965}, url = {http://ageconsearch.umn.edu/record/263676}, doi = {https://doi.org/10.22004/ag.econ.263676}, }