Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 36 checked references that resolve
resolves10.1071/AR9850537Models of growth and development of wheat in relation to plant nitrogen
resolves10.1007/BF02884344Critical Nitrogen Curve and Nitrogen Nutrition Index for Potato in Eastern Canada
resolves10.1007/s11119-011-9244-3Quantifying spatial variability of indigenous nitrogen supply for precision nitrogen management in small scale farming
resolves10.1016/j.fcr.2013.08.005Non-destructive estimation of rice plant nitrogen status with Crop Circle multispectral active canopy sensor
resolves10.1109/JSTARS.2012.2236302Critical Nitrogen Curve and Remote Detection of Nitrogen Nutrition Index for Corn in the Northwestern Plain of Shandong Province, China
resolves10.1007/BF02198111Quantitative relationships for the dependence of growth rate of arable crops on their nitrogen content, dry weight and aerial environment
resolves10.2134/agronj2004.1131The Range of the Critical Nitrogen Dilution Curve for Maize (<i>Zea mays</i> L.) Can Be Extended Until Silage Maturity
resolves10.1016/S1161-0301(98)00059-8Azodyn: a simple model simulating the date of nitrogen deficiency for decision support in wheat fertilization
resolves10.1007/s11746-003-0837-3Comparison of kjeldahl and dumas methods for determining protein contents of soybean products
resolves10.1093/jxb/eri084Developmental changes in shoot N dynamics of lucerne (Medicago sativa L.) in relation to leaf growth dynamics as a function of plant density and hierarchical position within the canopy
resolves10.1007/s11119-008-9091-zCombining chlorophyll meter readings and high spatial resolution remote sensing images for in-season site-specific nitrogen management of corn
resolves10.1626/pps.12.3Current Status and Challenges of Rice Production in China
resolves10.1023/A:1004783431055Relationships between dynamics of nitrogen uptake and dry matter accumulation in maize crops. Determination of critical N concentration
resolves10.1016/S0378-4290(98)00105-1Critical nitrogen concentrations: implications for high-yielding rice (Oryza sativa L.) cultivars in the tropics
resolves10.1007/s11769-001-0037-xEffects of agriculture reclamation on the hydrologic characteristics in the Sanjiang Plain, China
resolves10.1007/BF02844597Climate change in the Sanjiang Plain disturbed by large-scale reclamation
resolves10.1016/j.fcr.2005.11.004A model explaining genotypic and environmental variation of rice spikelet number per unit area measured by cross-locational experiments in Asia
resolves10.2134/agronj2011.0258Critical Nitrogen Dilution Curve for Optimizing Nitrogen Management of Winter Wheat Production in the North China Plain
resolves10.1016/j.fcr.2013.07.019A preliminary precision rice management system for increasing both grain yield and nitrogen use efficiency
resolves10.1016/j.fcr.2014.05.004A reappraisal of the critical nitrogen concentration of wheat and its implications on crop modeling
resolves10.2134/agronj2008.0016Chlorophyll Measurements and Nitrogen Nutrition Index for the Evaluation of Corn Nitrogen Status
The 4 references without a DOI — listed, not checked
no DOI — not checked10.1016/S1002-0160(17)60392-8_bib8
no DOI — not checkedN uptake and distribution in plant canopies
no DOI — not checkedStudy on the differences of nitrogen uptake and use efficiency in different types of rice
no DOI — not checkedPedogenetic characteristics of albic soils in the three river plain, Heilongjiang Province
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