Matches in SemOpenAlex for { <https://semopenalex.org/work/W2757222579> ?p ?o ?g. }
- W2757222579 abstract "In Louisiana, current N rate recommendations for sugarcane production are based on multiple year N response trials and refined based on soil and crop variables. Without accounting for current growing conditions, recommendations can potentially lead to over- or under-application of N. The objectives of this research were to 1) determine the ability of an in-season response index value (RINDVI) to estimate sugarcane yield response index (RIHarvest), 2) determine if sugarcane yield potential could be determined using normalized difference vegetative index (NDVI), and 3) estimate the optimum N rate and application timing for sugarcane production in Louisiana. Experiments were established in St. Gabriel and Jeanerette, LA from 2008 through 2011. A GreenSeeker® hand-held optical active sensor was used to obtain NDVI readings for all studies. Fertilizer N was applied as urea ammonium-nitrate (UAN, 32-0-0) at the rate of 0, 45, 90, and 135 kg N ha-1 for most experiments with application timings ranging from early-April through late-May. This study showed that NDVI could be used to accurately estimate both sugarcane RI and yield potential (YP). A RI value was determined using a traditional method, comparing non-limiting N to an unfertilized treatment, and modified method, comparing all N fertilized treatments to an unfertilized treatment. There was a strong relationship between RINDVI and RIHarvest for cane tonnage and sugar yield using both methods. Additionally, NDVI values demonstrated the ability to estimate sugarcane yield potential in-season. This relationship was improved when NDVI was adjusted using climatic variables. An additional study was established to investigate the N rate and application timing on sugarcane production. Fertilizer rate showed a significant positive effect on sugarcane yield for two of three experiments. For these experiments, critical N rates were substantially lower than the current N rate recommendations. The effect of application time was not as pronounced, with only the second stubble sugarcane crop in 2011 showing a significant decrease in sugarcane yield when N fertilization was delayed. Overall, the use of remote sensing principles shows promise in Louisiana sugarcane production. However, limitations such as timing of sensing will need to be overcome prior to implementation." @default.
- W2757222579 created "2017-10-06" @default.
- W2757222579 creator A5053285682 @default.
- W2757222579 date "2022-06-10" @default.
- W2757222579 modified "2023-10-15" @default.
- W2757222579 title "Improving nitrogen management in sugarcane production of the mid-South using remote sensing technology" @default.
- W2757222579 cites W109013405 @default.
- W2757222579 cites W1486597824 @default.
- W2757222579 cites W1522406082 @default.
- W2757222579 cites W1522551173 @default.
- W2757222579 cites W1536883469 @default.
- W2757222579 cites W1588132746 @default.
- W2757222579 cites W1597851536 @default.
- W2757222579 cites W1604629979 @default.
- W2757222579 cites W1605363734 @default.
- W2757222579 cites W1676903773 @default.
- W2757222579 cites W1767429952 @default.
- W2757222579 cites W1897941944 @default.
- W2757222579 cites W1906835654 @default.
- W2757222579 cites W1964965341 @default.
- W2757222579 cites W1968074814 @default.
- W2757222579 cites W1978692093 @default.
- W2757222579 cites W1986541078 @default.
- W2757222579 cites W1989101695 @default.
- W2757222579 cites W1989657220 @default.
- W2757222579 cites W1990299166 @default.
- W2757222579 cites W1990800621 @default.
- W2757222579 cites W1991285691 @default.
- W2757222579 cites W1991836500 @default.
- W2757222579 cites W1992245241 @default.
- W2757222579 cites W1994427494 @default.
- W2757222579 cites W1996791665 @default.
- W2757222579 cites W1997580977 @default.
- W2757222579 cites W1999289709 @default.
- W2757222579 cites W1999704933 @default.
- W2757222579 cites W2000003966 @default.
- W2757222579 cites W2001986102 @default.
- W2757222579 cites W2004537612 @default.
- W2757222579 cites W2004675407 @default.
- W2757222579 cites W2006032218 @default.
- W2757222579 cites W2008984396 @default.
- W2757222579 cites W2010476004 @default.
- W2757222579 cites W2010506476 @default.
- W2757222579 cites W2011335067 @default.
- W2757222579 cites W2014134278 @default.
- W2757222579 cites W2014457868 @default.
- W2757222579 cites W2019839640 @default.
- W2757222579 cites W2022235257 @default.
- W2757222579 cites W2023472833 @default.
- W2757222579 cites W2024161611 @default.
- W2757222579 cites W2025594834 @default.
- W2757222579 cites W2026995465 @default.
- W2757222579 cites W2031770543 @default.
- W2757222579 cites W2035757763 @default.
- W2757222579 cites W2039637263 @default.
- W2757222579 cites W2040036418 @default.
- W2757222579 cites W2041180635 @default.
- W2757222579 cites W2042045043 @default.
- W2757222579 cites W2042418787 @default.
- W2757222579 cites W2044023561 @default.
- W2757222579 cites W2045310379 @default.
- W2757222579 cites W2047031630 @default.
- W2757222579 cites W2047266328 @default.
- W2757222579 cites W2048869339 @default.
- W2757222579 cites W2051164994 @default.
- W2757222579 cites W2051377630 @default.
- W2757222579 cites W2051701103 @default.
- W2757222579 cites W2055339885 @default.
- W2757222579 cites W2059829542 @default.
- W2757222579 cites W2060560847 @default.
- W2757222579 cites W2062161081 @default.
- W2757222579 cites W2063362952 @default.
- W2757222579 cites W2063623478 @default.
- W2757222579 cites W2068730385 @default.
- W2757222579 cites W2071667086 @default.
- W2757222579 cites W2074541989 @default.
- W2757222579 cites W2074667881 @default.
- W2757222579 cites W2075102782 @default.
- W2757222579 cites W2076309119 @default.
- W2757222579 cites W2078535278 @default.
- W2757222579 cites W2078777305 @default.
- W2757222579 cites W2088645008 @default.
- W2757222579 cites W2091291424 @default.
- W2757222579 cites W2096917307 @default.
- W2757222579 cites W2099648436 @default.
- W2757222579 cites W2101700775 @default.
- W2757222579 cites W2106413895 @default.
- W2757222579 cites W2110759550 @default.
- W2757222579 cites W2112306707 @default.
- W2757222579 cites W2119797678 @default.
- W2757222579 cites W2122266551 @default.
- W2757222579 cites W2124252298 @default.
- W2757222579 cites W2127056624 @default.
- W2757222579 cites W2128030764 @default.
- W2757222579 cites W2135620895 @default.
- W2757222579 cites W2144078 @default.
- W2757222579 cites W2154648013 @default.
- W2757222579 cites W2164672226 @default.
- W2757222579 cites W2180779181 @default.
- W2757222579 cites W2278126465 @default.