Soil sensors and plant wearables play a critical role in smart and precision agriculture via
monitoring real‐time physical and chemical signals in the soil, such as temperature …

Nitrogen is the main limiting nutrient after carbon, hydrogen and oxygen for photosynthetic
process, phyto-hormonal, proteomic changes and growth-development of plants to complete …

Remote sensing from unmanned aircraft systems (UAS) was expected to be an important
new technology to assist farmers with precision agriculture, especially crop nutrient …

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

Management of nitrogen (N) is a challenging task and several methods individually and in
combination are in use to manage its efficiency. However, nitrogen use efficiency (NUE) has …

While new technologies can capture high-resolution normalized difference vegetation index
(NDVI), a surrogate for biomass and leaf greenness, it is a challenge to efficiently apply this …

Precision agriculture dates back to the middle of the 1980's. Remote sensing applications in
precision agriculture began with sensors for soil organic matter, and have quickly diversified …

Requirements for research, practices and policies affecting soil management in relation to
global food security are reviewed. Managing soil organic carbon (C) is central because soil …

Optimal nitrogen (N) management is essential for profitable vegetable crop production and
to minimize N losses to the environment that are a consequence of an excessive N supply …

In recent decades, many spectral indices have been proposed to estimate crop nitrogen (N)
status parameters. However, most of the indices based on red radiation lose their sensitivity …