The increased efficiency and profitability that the proper application of technology can
provide has made precision agriculture the hottest developing area within traditional …

The precision of four differential global positioning systems (DGPS) was evaluated in the
context of fluvial water velocity and discharge measurement. DGPS is used to resolve water …

The efficiency of the management zone approach to improve fertilizer recommendations
relies on accurately locating zone boundaries. The objective of this study was to determine …

Elevation measurements are essential for many natural resource activities including
hydrologic modeling, viewshed analysis, and forest road and trail engineering design. We …

Because spatial yield variability is usually related to topographic features, the availability of
an accuratetopographic map should provide an opportunity to improve management of …

Elevation determination is central to many natural resource-related measurement tasks
including establishing terrain profiles, determining road and stream gradients, and volume …

The objective of this study was to determine the impact of manure placement depth on crop
yield and N retention in soil. Experimental treatments were deep manure injection (45 cm) …

The overarching objective of this research was to enhance our comprehension of the three-
dimensional precision of meteorological measurements obtained using small unmanned …

Ecologists and agronomists are interested in topography because it affects soil, plant, and
hydrologic processes. Digital elevation models (DEMs) accurate to several centimeters of …

Elevation or height differences are necessary measurements for many forest operation
activities. We rigorously examined the vertical measurement performance of five mapping …