Precision farming enables agricultural management decisions to be tailored spatially and
temporally. Site-specific sensing, sampling, and managing allow farmers to treat a field as a …

The breakdown products of plant and animal remains, extracted in an alkaline solution, are
commonly referred to as humic substances (HS). They can be extracted from a wide variety …

This article examines the challenge and opportunities of Big Data, and concludes that these
technologies will lead to relevant analysis at every stage of the agricultural value chain. Big …

Precision agriculture (PA) and its suite of information technologies—such as soil and yield
mapping using a global positioning system (GPS), GPS tractor guidance systems, and …

Crop and rangelands are over 25% of the Earth's land area, and they are expanding.
Agricultural ecosystems rely on a suite of supporting ecosystem services to provide food …

Agriculture faces key challenges of increasing productivity while reducing adverse impacts
on the environment. Conventional practices that rely on tillage, inefficient and over …

Loss of reactive nitrogen (N) from agricultural fields in the US Midwest is a principal cause of
the persistent hypoxic zone in the Gulf of Mexico. We used eight years of high resolution …

The system fertilization approach emerged to improve nutrient use efficiency in croplands.
This new fertilization concept aims at taking advantage of nutrient cycling within an …

Conservation agriculture (CA), an emerging technology for sustainable agriculture, has
been practiced in China for more than 30 years and is increasingly being adopted on …

While there appear to be costs to farmers of over-applying nitrogen, there is evidence in
many regions that farmers are applying nitrogen at levels that exceed those suggested by …