A review of methods to improve nitrogen use efficiency in agriculture

LK Sharma, SK Bali - Sustainability, 2017 - mdpi.com
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 …

Hyperspectral remote sensing of plant pigments

GA Blackburn - Journal of experimental botany, 2007 - academic.oup.com
The dynamics of pigment concentrations are diagnostic of a range of plant physiological
properties and processes. This paper appraises the develo** technologies and analytical …

Response of Chlorophyll, Carotenoid and SPAD-502 Measurement to Salinity and Nutrient Stress in Wheat (Triticum aestivum L.)

SH Shah, R Houborg, MF McCabe - Agronomy, 2017 - mdpi.com
Abiotic stress can alter key physiological constituents and functions in green plants.
Improving the capacity to monitor this response in a non-destructive manner is of …

Advances in hyperspectral remote sensing of vegetation and agricultural crops

PS Thenkabail, JG Lyon, A Huete - … , Sensor Systems, Spectral …, 2018 - taylorfrancis.com
Hyperspectral data (Table 1) is acquired as continuous narrowbands (eg, each band with 1
to 10 nanometer or nm bandwidths) over a range of electromagnetic spectrum (eg, 400 …

Nitrogen deficiency effects on plant growth, leaf photosynthesis, and hyperspectral reflectance properties of sorghum

D Zhao, KR Reddy, VG Kakani, VR Reddy - European journal of agronomy, 2005 - Elsevier
An experiment was conducted under outdoor pot-culture conditions to determine effects of
nitrogen (N) deficiency on sorghum growth, physiology, and leaf hyperspectral reflectance …

Random forest regression and spectral band selection for estimating sugarcane leaf nitrogen concentration using EO-1 Hyperion hyperspectral data

EM Abdel-Rahman, FB Ahmed… - International Journal of …, 2013 - Taylor & Francis
Nitrogen (N) is one of the most important limiting nutrients for sugarcane production.
Conventionally, sugarcane N concentration is examined using direct methods such as …

Effects of nitrogen deficiency on leaf photosynthesis, carbohydrate status and biomass production in two olive cultivars 'Meski'and 'Koroneiki'

O Boussadia, K Steppe, H Zgallai, SB El Hadj… - Scientia …, 2010 - Elsevier
The effects of nitrogen deficiency on CO2 assimilation, carbohydrate content and biomass
were studied in two olive (Olea europaea L.) cultivars ('Meski'and 'Koroneiki'). One-year-old …

Temperature Effects on the Shoot and Root Growth, Development, and Biomass Accumulation of Corn (Zea mays L.)

CH Walne, KR Reddy - Agriculture, 2022 - mdpi.com
Temperature is a critical environmental factor regulating plant growth and yield. Corn is a
major agronomic crop produced globally over a vast geographic region, and highly variable …

Using hyperspectral remote sensing techniques to monitor nitrogen, phosphorus, sulphur and potassium in wheat (Triticum aestivum L.)

GR Mahajan, RN Sahoo, RN Pandey, VK Gupta… - Precision …, 2014 - Springer
In situ, non-destructive and real time mineral nutrient stress monitoring is an important
aspect of precision farming for rational use of fertilizers. Studies have demonstrated the …

Active-optical sensors using red NDVI compared to red edge NDVI for prediction of corn grain yield in North Dakota, USA

LK Sharma, H Bu, A Denton, DW Franzen - Sensors, 2015 - mdpi.com
Active-optical sensor readings from an N non-limiting area standard established within a
farm field are used to predict yield in the standard. Lower yield predictions from sensor …