Nitrogen Isotope Composition, Nitrogen Amount, and Fruit Yield of Tomato Plants Affected by the Soil-Fertilizer Types

ACS Omega
Marlee A TrandelMary Kinsel

Abstract

Tomatoes (Solanum lycopersicum) are heavy nutrient feeding crops and require high amounts of nitrogen to maximize fruit production. The type of nitrogen applied and timing of fertilizer applications are important to reduce losses due to volatilization and leaching. Previous research suggested that nitrogen stable isotopes are a useful fingerprinting system for indicating if a crop has been grown with synthetic or organic nitrogen applications. To study the effects of fertilization systems on nitrogen isotopic patterns, "Better Bush" tomatoes were grown in a 2 year greenhouse experiment to analyze nitrogen isotopic composition, nitrogen content, and fruit yield. Three main soil fertility treatments were evaluated, and the results were compared to those obtained on plants grown in unfertilized soil: conventional inorganic (synthetic Miracle Grow (MG)), organic (bonemeal and bloodmeal (BB), BB with liquid Earth Juice (BBL), BB with 25% vermicompost (VC), BBL with 25% VC, and 25% VC), and mixed (MG with 25% VC). The soil fertilizers, treated and untreated soil, immature and mature leaflets tomato fruit peels, and fruit juices were analyzed for both nitrogen isotope ratios and nitrogen concentrations. Plant δ15Nair decreased in the ...Continue Reading

References

Mar 10, 2001·Trends in Plant Science·R D Evans
Jun 1, 1996·Annual Review of Plant Physiology and Plant Molecular Biology·H.-M. LamG. M. Coruzzi
May 17, 2008·Journal of Agricultural and Food Chemistry·Lesley A ChessonJames R Ehleringer
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Aug 14, 2012·Journal of Agricultural and Food Chemistry·Sergei Verenitch, Asit Mazumder
Aug 19, 2017·Plant Science : an International Journal of Experimental Plant Biology·M J AsinsJ A Dieleman

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Citations

Mar 14, 2020·Journal of the Science of Food and Agriculture·Yan ZhangYuncong Yao
Apr 21, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sebastian SchrammWilfried Rozhon
Oct 2, 2021·Environmental Science & Technology·Mo-Lian ChenYong-Guan Zhu

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Methods Mentioned

BETA
soil treatment

Software Mentioned

SAS : Analytics , Business Intelligence and Data management
JMP Statistical Discovery

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