Nitrogen (N) use in intensive agriculture can degrade groundwater resources. However,
considerable time lags between groundwater recharge and extraction complicate source …

Nitrogen is indispensable to all life on Earth. However, humans now dominate the nitrogen
cycle, and nitrogen emissions from human activity have real costs: water and air pollution …

Appropriate agricultural water management (AWM) is crucial not only for alleviating water
scarcity but also for food and nutrition security and healthy ecosystems. The …

New regulations are emerging in response to historic groundwater depletion and
widespread groundwater quality degradation in California. They aim at long-term …

Vegetable and fruit consumption patterns in the United States indicate that most people
need to eat far more fruits and vegetables to meet the current nutritional guidelines for a …

In the subsurface drainage system, there is a high potential for nitrate leaching, causing the
pollution of both surface and ground water. In this research, a simple but comprehensive …

Small Unmanned Aerial Systems (sUAS) show promise in being able to collect high
resolution spatiotemporal data over small extents. Use of such remote sensing platforms …

Due to the nature of nitrogen cycling, policies designed to address water quality concerns
have the potential to provide benefits beyond the targeted water quality improvements. For …

Human and freshwater ecosystems are intrinsically interconnected. To better design
effective policies, modeling tools and valuation methods are necessary to help …

Introducing the California Nitrogen Assessment Appendix 1.1 Who was involved in the California
Nitrogen Assessment? Page 1 CHAPTER ONE Introducing the California Nitrogen Assessment …