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Monitoring corn nitrogen nutrition index from optical and synthetic aperture radar satellite data and soil available nitrogen
Nitrogen (N) nutrition index (NNI) is a reliable indicator of plant N status for field crops, but its determination is both labor- and...
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Development and application of an algae multi-metric index to inform ecologically relevant nitrogen reduction targets
Nutrient enrichment can impair the biotic integrity of steams and rivers. Nutrients derived from land use practices have been identified as sources...
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A new multispectral index for canopy nitrogen concentration applicable across growth stages in ryegrass and barley
Accurately monitoring Canopy Nitrogen Concentration (CNC) is a prerequisite for precision nitrogen (N) fertiliser management at the farm scale with...
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Granular Agronomy Nitrogen Management
Granular Agronomy Nitrogen Management is a software tool to provide spatially optimal nitrogen rate recommendations for maize fields in the United...
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In-Season Estimation of Wheat Response to Nitrogen Using Normalized Difference Vegetation Index
Applying fertilizer nitrogen (N) only when a crop response is predicted may enhance use efficiency and profitability while protecting the...
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UAV-based canopy monitoring: calibration of a multispectral sensor for green area index and nitrogen uptake across several crops
The fast and accurate provision of within-season data of green area index ( GAI ) and total N uptake ( total N ) is the basis for crop modeling and...
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Yield -based evaluation of low nitrogen tolerance indices for screening of [Sorghum bicolor (L.) Moench] genotypes
Nitrogen stress is one of the key factors limiting sorghum crop productivity. To identify desirable sorghum genotypes best suited to nitrogen stress,...
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Soil nitrogen deficiency drives compensatory assembly of nitrogen-cycling functions in the rhizosphere microbiome
Backgrounds and aimsPlant rhizosphere microbiome play crucial roles in plant growth. However, the mechanisms governing the rhizosphere microbiome...
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Effects of Water and Nitrogen Coupling on Apple Yield, Soil Water and Nitrogen Distribution, and Enzyme Activity Under Surge-Root Irrigation in Loess Plateau, China
The objective of this study was to explore the effects of surge-root irrigation and nitrogen coupling on apple yield, soil water and nitrogen...
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Recalibrating plant water status of winter wheat based on nitrogen nutrition index using thermal images
Accurate and timely assessment of crop water status is imperative for in-season irrigation scheduling in crop production. The canopy water stress...
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Develo** a Critical Nitrogen Concentration Dilution Model and Diagnosing Nitrogen Nutrition of Wheat
The objective of this study was to verify the applicability of the critical nitrogen concentration dilution curve of wheat under different nitrogen...
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Genetic regions determine tolerance to nitrogen deficiency in European elite bread wheats grown under contrasting nitrogen stress scenarios
Key messageClustering 24 environments in four contrasting nitrogen stress scenarios enabled the detection of genetic regions determining tolerance to...
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Different Morphologies and Functional Nitrogen Accumulation Results in the Different Nitrogen Use Efficiency of Tobacco Plants
Improving the nitrogen use efficiency in crops can significantly contribute toward reducing nutrient loss in soil and alleviating environmental...
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Physiological Characteristics, Lint Yield, and Nitrogen Use Efficiency of Cotton Under Different Nitrogen Application Rates and Waterlogging Durations
Nitrogen (N) fertilization is commonly used to regulate plant growth and alleviate abiotic stresses, including waterlogging. The present study...
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Nitrogen and Straw Management for Sustainable Maize-Wheat Crop** in the North China Plain: Insight from Crop Yield and Nitrogen Use Efficiency
This paper sought to explore the sustainable potential of nitrogen (N) fertilizer saving and effects of consecutive straw incorporation on grain...
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Effects of Different Irrigation Levels and Nitrogen Fertilization on Some Physiological Indicators of Potato
Water and nitrogen are widely used agricultural inputs in potato production areas. However, the excessive and inappropriate use of these significant...
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Nitrogen assessment by remote sensing and multispectral imagery in maize (Zea mays L.)
Over-application of nitrogen fertilizers in farm lands is the main reason to contaminate nitrogen components in the environment. Nitrogen can play a...
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Evaluation of Nitrogen Release Characteristics and Enhanced Efficiency of a Novel Synthetic Slow-Release Nitrogen Fertilizer
Slow-release fertilizers are known as the excellent choice to conquer nitrogen losses; however, their slow-release properties and multifunctionality...
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Postponed nitrogen fertilizer topdressing enhances nitrogen use efficiency in pea/maize intercrop**
Background and aimsCereal-legume intercrop** has significant advantages over the corresponding sole crop** patterns regarding efficient nitrogen...
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Nitrogen application in pod zone improves yield and quality of two peanut cultivars by modulating nitrogen accumulation and metabolism
Cultivated peanut ( Arachis hypogaea L.) represents one of the most important oil and cash crops world-widely. Unlike many other legumes, peanuts...
