Precision nitrogen management improves grain yield, nitrogen use efficiency and reduces nitrous oxide emission from soil in spring maize

Corn grain yield and 15N-fertilizer recovery as a function of urea sidedress timing

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(2016) J. K. Ladha et al.   Scientific Reports

Development of Critical Values for the Leaf Color Chart, SPAD and Fieldscout CM 1000 for Fixed Time Adjustable Nitrogen Management in Aromatic Hybrid Rice (Oryza sativaL.)

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N2O emissions from spring barley production as influenced by fertilizer nitrogen rate

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A farm-focused calculator for emissions from crop and livestock production

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Greenhouse gas mitigation in rice–wheat system with leaf color chart-based urea application

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Calibrating the leaf colour chart for need based fertilizer nitrogen management in different maize (Zea mays L.) genotypes

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Need based nitrogen management using the chlorophyll meter and leaf colour chart in rice and wheat in South Asia: a review

(2010) Varinderpal-Singh et al.   NUTRIENT CYCLING IN AGROECOSYSTEMS

Potato Crop Nitrogen Status Assessment to Improve N Fertilization Management and Efficiency: Past–Present–Future

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