Using hand-held chlorophyll meters and canopy reflectance sensors for fertilizer nitrogen management in cereals in small farms in developing countries

AM Ali - Sensors, 2020 - mdpi.com
To produce enough food, smallholder farmers in developing countries apply fertilizer
nitrogen (N) to cereals, sometimes even more than the local recommendations. During the …

An end-to-end model for rice yield prediction using deep learning fusion

Z Chu, J Yu - Computers and Electronics in Agriculture, 2020 - Elsevier
Rice yield is essential for more than half of the world's population, and thus, accurate
predictions of rice yield are of great importance for trade, development policies …

Sustainable soil management for food security in South Asia

A Nawaz, M Farooq, S Ul-Allah, N Gogoi, R Lal… - Journal of Soil Science …, 2021 - Springer
Abstract The soils of South Asia provide food to almost 1.8 billion people but are prone to
many sustainability issues. The ever-increasing population has put enormous pressure on …

Predicting rice grain yield based on dynamic changes in vegetation indexes during early to mid-growth stages

K Zhang, X Ge, P Shen, W Li, X Liu, Q Cao, Y Zhu… - Remote sensing, 2019 - mdpi.com
Predicting the grain yield during early to mid-growth stages is important for initial diagnosis
of rice and quantitative regulation of topdressing. In this study, we conducted four …

In-season estimation of rice grain yield using critical nitrogen dilution curve

ST Ata-Ul-Karim, X Liu, Z Lu, Z Yuan, Y Zhu, W Cao - Field Crops Research, 2016 - Elsevier
Crop nitrogen (N) status during vegetative growth is an essential indicator of crop vigor and
predictor of subsequent grain yield. The concept of the critical nitrogen (Nc) dilution curve …

Normalized Difference Vegetation Index (NDVI) for soybean biomass and nutrient uptake estimation in response to production systems and fertilization strategies

GD Farias, C Bremm, C Bredemeier… - … in Sustainable Food …, 2023 - frontiersin.org
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 …

Productivity and profitability of kharif rice are influenced by crop establishment methods and nitrogen management in the lateritic belt of the subtropical region

S Mohanta, M Banerjee, GC Malik, T Shankar, S Maitra… - Agronomy, 2021 - mdpi.com
Nitrogen management is vital for economic and environmental sustainability. Asynchrony of
fertilizer application with crop demand along various nitrogen losses in Eastern India leads …

Site-specific fertilizer nitrogen management in irrigated transplanted rice (Oryza sativa) using an optical sensor

J Purba, RK Sharma, ML Jat, HS Thind, RK Gupta… - Precision …, 2015 - Springer
Blanket fertilizer nitrogen (N) recommendations for large irrigated transplanted rice tracts
lead to low N use-efficiency (NUE) due to field-to-field variability in soil N supply and …

A framework for refining nitrogen management in dry direct-seeded rice using GreenSeeker™ optical sensor

AM Ali, HS Thind - Computers and Electronics in Agriculture, 2015 - Elsevier
To reduce the amount of wasted reactive nitrogen (N) reaching the environment and to
achieve high N fertilizer use efficiency, a site-specific N management strategy using …

Evaluating chlorophyll density in winter oilseed rape (Brassica napus L.) using canopy hyperspectral red-edge parameters

L Li, T Ren, Y Ma, Q Wei, S Wang, X Li, R Cong… - … and Electronics in …, 2016 - Elsevier
Accurate assessments of chlorophyll density (ChD) using hyperspectral techniques are
important for effective evaluation of plant productivity and precise nitrogen (N) management …