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Mengmeng Du, Minzan Li, Noboru Noguchi, Jiangtao Ji and Mengchao (George) Ye
FVC (fractional vegetation cover) is highly correlated with wheat plant density in the reviving period, which is an important indicator for conducting variable-rate nitrogenous topdressing. In this study, with the objective of improving inversion accurac...
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Gaganpreet Singh Hundal, Chad Matthew Laux, Dennis Buckmaster, Mathias J Sutton and Michael Langemeier
The production of row crops in the Midwestern (Indiana) region of the US has been facing environmental and economic sustainability issues. There has been an increase in trend for the application of fertilizers (nitrogen & phosphorus), farm machinery ...
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Piotr Mazur, Dariusz Gozdowski and Elzbieta Wójcik-Gront
The optimization of soil sampling is very important in precision agriculture. The main aim of this study was to evaluate the relationships between selected spectral indices (NDWI?normalized difference water index and NDVI?normalized difference vegetation...
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Xiuhua Song, Hong Li, Chao Chen, Huameng Xia, Zhiyang Zhang and Pan Tang
To overcome the problem of poor uniformity of solid-fertilizer-dissolving devices due to lag of fertilizer dissolution, a closed-loop control system based on fuzzy proportional-integral-derivative (PID) was designed and tested. A fertilizer concentration...
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