共 18 条
[1]
Prediction of dry direct-seeded rice yields using chlorophyll meter; leaf color chart and GreenSeeker optical sensor in northwestern India.[J].A.M. Ali;H.S. Thind;S. Sharma;Varinderpal-Singh.Field Crops Research.2014,
[2]
The performance of active spectral reflectance sensors as influenced by measuring distance; device temperature and light intensity.[J].Sebastian Kipp;Bodo Mistele;Urs Schmidhalter.Computers and Electronics in Agriculture.2014,