@article{YANG Hai-Bo:950, author = {YANG Hai-Bo,ZHANG Jia-Kang,YANG Liu,JIA Yu-Ze, ,LI Fei}, title = {Effect of variety and growth period on NDVI estimation of nitrogen concentration in potato plants}, publisher = {Acta Agronomica Sinica}, year = {2020}, journal = {Acta Agronomica Sinica}, volume = {46}, number = {6}, eid = {950}, numpages = {9}, pages = {950}, keywords = {;potato;varieties;growth stage;active crop sensor;NDVI;PNC}, url = {https://zwxb.chinacrops.org/EN/abstract/article_6898.shtml}, doi = {10.3724/SP.J.1006.2020.94121} }