O objetivo deste estudo foi estimar o impacto potencial da adoção das principais técnicas de agricultura de precisão na agricultura brasileira sobre fatores econômicos do país. Para isso, inicialmente realizou-se uma revisão bibliográfica dos principais resultados advindos das técnicas...

We present a dynamic intraseasonal model of optimal investment in irrigation precision that takes into reductions in disease losses and acceleration of crop growth as well as water savngs. We derive the optimal levels of water use, investment in precision equipment and timing of harvest under...

Variable-rate (VR) application of inputs in South African cash crop production is mainly concerned with fertilizer and lime, and this indicates the importance of these inputs in cash crop production. However, the profitability of VR application of inputs has not yet been investigated under South...

Phosphates (P) are an important nutrient required by every living plant and animal cell, and deficiencies in soils could cause limited crop production, thereby reducing profitability. Phosphates are also a primary nutrient essential for root development and crop production, and are needed in the...

Crop producers are increasingly interested in reducing nitrogen use without sacrificing yield. Technology is available for precise application at the sub-field level, but adoption has been sluggish. This paper estimates the relative profitability of a field level annual predictor of mid-season N...

Site-specific crop response functions (SSCRFs) are useful for estimating the value of variable rate nitrogen applications (VRA), but appropriate statistical models are necessary. Problems estimating SSCRFs using experimental field data include region, spatial, treatment, and strip dependent...