11 results on '"Portz, G."'
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2. Field comparison of ultrasonic and canopy reflectance sensors used to estimate biomass and N-uptake in sugarcane
3. Comparison of crop canopy sensors in sugarcane
4. Use of crop height and optical sensor readings to predict mid-season cotton biomass
5. 52. Cotton nitrogen uptake estimation for in-season fertilizer management based on proximal digital image analysis
6. Comparison of crop canopy sensors in sugarcane
7. Field comparison of ultrasonic and canopy reflectance sensors used to estimate biomass and N-uptake in sugarcane
8. Active crop sensor to detect variability of nitrogen supply and biomass on sugarcane fields
9. Capability of crop canopy sensing to predict crop parameters of cut grass swards aiming at early season variable rate nitrogen top dressings
10. Active crop sensor to detect variability of nitrogen supply and biomass on sugarcane fields
11. Aplicação de Técnicas de Geoestatística para a Espacialização da Variável Resistência a Penetração do Solo (Índice de Cone)
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