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The factual base of precision agriculture (PA) — the spatial and temporal variability of soil and crop factors within or between different fields has been recognized for centuries. Field information on seeding suitability, soil & crop nutrition status and crop mature date is needed to optimize field management. How to acquire the spatially and temporally varied field parameters accurately, efficiently...
Nitrogen is an important organic element during the growth of the crop, the accuracy of estimation for the crop N status may improve fertilizer N use efficiency. The chlorophyll content has a close relationship with the Nitrogen content. The multispectral remote sensing data may be used to assess crop N status by estimating chlorophyll content. This paper used the statistical model and the physical...
Huang-Huai-Hai region is one of the main grain production regions, thus it is helpful to assess land productivity in this region for informing land users about their land quality and supporting policy and decision-making. In this paper, the land quality was monitored by crop yield estimation. Based on estimating crop biomass and harvest index with remote sensing, the crop yield of Huang-Huai-Hai region...
A new generation of farmers can use aerial and satellite remote sensing imagery to help them more efficiently manage their croplands. By measuring precisely the way their fields reflect and emit energy at visible and infrared wavelengths, precision farmers can monitor a wide range of variables that affect their crops. The management of their cropland could be adjusted dynamically based on the crop...
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