2022
DOI: 10.1002/agj2.21085
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Cover crop and nitrogen rate management practices influence corn NDVI and nitrogen content

Abstract: Cover crops are rarely adopted in the northern Corn Belt because of short growing periods but could provide benefits when grown between wheat (Triticum aestivum L.) and corn (Zea mays L.). We evaluated corn normalized difference vegetation index (NDVI) and leaf N (at six leaf, ear leaf, 75% silk, and physiological maturity), over three growing seasons in response to factorial treatments of cover crop of annual ryegrass [Lolium perenne L. ssp. multiflorum (Lam.) Husnot], radish [Raphanus sativus L.], and no-cov… Show more

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Cited by 2 publications
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“…Crop NDVI and non‐destructive LAI were used as proxies for assessing plant growth and development over the growing season at the three experiment locations. Normalized difference vegetation index, which is a greenness index (Kriegler et al., 1969), is often used to evaluate growth, development, and biomass production of plants (Huang et al., 2021; Scott et al., 2022). In the present study, canola and mustard NDVI generally increased more rapidly and reached peak or nearly peak values earlier than camelina (Figure 1).…”
Section: Resultsmentioning
confidence: 99%
“…Crop NDVI and non‐destructive LAI were used as proxies for assessing plant growth and development over the growing season at the three experiment locations. Normalized difference vegetation index, which is a greenness index (Kriegler et al., 1969), is often used to evaluate growth, development, and biomass production of plants (Huang et al., 2021; Scott et al., 2022). In the present study, canola and mustard NDVI generally increased more rapidly and reached peak or nearly peak values earlier than camelina (Figure 1).…”
Section: Resultsmentioning
confidence: 99%
“…Detekcja zapotrzebowania na ten makroskładnik przy wykorzystaniu wskaźników NDVI i NDRE jest często spotykana w literaturze, np. przy monitoringu upraw ryżu z użyciem bezzałogowych statków powietrznych (UAV) [17] lub upraw kukurydzy [18,19]. Sam sensor wykorzystywany w urządzeniu Crop Circle również jest wykorzystywany w mapowaniu zapotrzebowania na azot, głównie jednak na uprawach ryżu [13,20].…”
Section: Dyskusja Wynikówunclassified