Core Ideas Nitrogen recommendations for individual corn fields are less accurate than
desired. Nitrogen recommendations need improvement for economic and environmental …

The decade since the publication of the third edition of this volume has been an era of great
progress in biology in general and the plant sciences in particular. This is especially true …

Contamination from pesticides and nitrate in groundwater is a significant threat to water
quality in general and agriculturally intensive regions in particular. Three widely used …

Quantification of nitrate losses is important for devising measures to ensure sustainability of
soil fertility and groundwater resources and for the development of crop nutrient …

High N requirements of no‐tillage maize (Zea mays L.) make it imperative to develop
management strategies that optimize crop production and N use efficiency (NUE). A 4‐yr …

Quantitatively ascertaining and analyzing long-term responses of crop yield and nitrate
leaching on varying irrigation and fertilization treatments are focal points for guaranteeing …

Nitrogen dynamics in soils are affected by spatial and temporal processes. Drainage class is
generally regarded to be the most significant source of variability for N in temperate humid …

Lysimeter leachate collection efficiencies (LCEs), which are the measured leachate volume
divided by estimated percolation water, are needed to convert measured leachate volumes …

Nitrogen (N) is the most yield limiting nutrient for paddy soils, an advanced knowledge about
N behaviour, soil organic matter and their measurement and analysis should be known to …

Core Ideas The precision N management model performed reasonably well for estimating
cover crop N mineralization. Model performance was sufficient to justify incorporation into an …