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David R. Lapen

Researcher at Agriculture and Agri-Food Canada

Publications -  168
Citations -  6673

David R. Lapen is an academic researcher from Agriculture and Agri-Food Canada. The author has contributed to research in topics: Tile drainage & Soil water. The author has an hindex of 41, co-authored 155 publications receiving 5748 citations.

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Assessment of RapidEye vegetation indices for estimation of leaf area index and biomass in corn and soybean crops

TL;DR: This study demonstrates the applicability of RapidEye multi-spectral data for estimation of LAI and biomass of two crop types with different canopy structure, leaf structure and photosynthetic pathways and eliminates/reduces the need for reflectance resampling, VIs inter-calibration and spatial resamplings.
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Pharmaceutical and personal care products in groundwater, subsurface drainage, soil, and wheat grain, following a high single application of municipal biosolids to a field

TL;DR: Pharmaceuticals and personal care products were monitored in groundwater, tile drainage, soil, DMB aggregates incorporated into the soil post-land application, and in the grain of wheat grown on the field for a period of ~1 year following application.
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Uptake of pharmaceuticals, hormones and parabens into vegetables grown in soil fertilized with municipal biosolids.

TL;DR: The potential for micropollutant uptake into crops under normal farming conditions is low, according to this study, which suggests that a one-year offset between biosolid application and the harvest of crops for human consumption is required.