@article{ezeta_mccollum_1972, title={Dry matter production, and nutrient uptake and removal by Solanum andigena in the Peruvian Andes}, volume={49}, DOI={10.1007/BF02861595}, number={4}, journal={American Potato Journal}, author={Ezeta, F. N. and McCollum, R. E.}, year={1972}, pages={151} }