calcium | Ag Data Commons

Data from: Precipitation manipulation experiments may be confounded by water source

This study aims to investigate the consequences of performing precipitation manipulation experiments with mineralized water in place of rainwater (i.e. demineralized water). Limited attention has been paid to the effects of water mineralization on plant and soil properties, even when the experiments are in a rainfed context.

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Data from: Plant Tissue Characteristics of Miscanthus x giganteus v2

As part of a study identifying relationships between environmental variables and insect distributions within a bioenergy crop, giant miscanthus (Miscanthus x giganteus) samples were collected in October 2016 at 33 locations within a field in southeast Georgia, USA. This dataset describes the chemical composition of giant miscanthus leaves and stems including the total carbon (TC) and nitrogen (TN) content, total macro- and micronutrients.

Legacy Phosphorus and Potassium Correlation Experiments: Qulin, Missouri

Correlation experiments for P and K were conducted from 1968-1973 at a research farm in Qulin, Missouri to better define the relationships between soil tests, crop yields, and fertilizer treatments. Three crop rotations each were conducted for P and K trials (ranges C, D, E, F, G, and H), and included corn, soybean, wheat, cotton, and sorghum.

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Data from: Plant Tissue Characteristics of Miscanthus x giganteus

Alfalfa Response to Potassium Rate and Timing of Application

Alfalfa production is a key component of livestock production in Tennessee. Alfalfa has the ability to take up luxury amounts of potassium, which can lead to high plant tissue K concentrations and lower concentrations of other nutrients. The objectives of this research were to determine 1) whether Tennessee K recommendations for alfalfa were sufficient and accurate, and 2) if splitting K applications impacted alfalfa yield.

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Data from: The Structure and Catalytic Mechanism of Sorghum bicolor Caffeoyl-CoA O-Methyltransferase

Caffeoyl-coenzyme A 3-O-methyltransferase (CCoAOMT) is an S-adenosyl methionine (SAM)-dependent O-methyltransferase responsible for methylation of the *meta*-hydroxyl group of caffeoyl-coenzyme A (CoA) on the pathway to monolignols, with their ring methoxylation status characteristic of guaiacyl or syringyl units in lignin. In order to better understand the unique class of type 2 O-methyltransferases from monocots, we have characterized CCoAOMT from sorghum (*Sorghum bicolor*; SbCCoAOMT), including the SAM binary complex crystal structure and steady-state enzyme kinetics.

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Data from: Data on foliar nutrient concentration of invasive plants in the recipient habitat and their native habitat

To understand the underlying mechanism of extensive growth rate of the highly invasive plant, Old World climbing fern (*Lygodium microphyllum*), in its native habitat in Queensland, Australia and recipient habitat in Florida, United States, the leaf tissue samples from the native and invaded habitats are analyzed.

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UNSATCHEM

Simulates water, heat, carbon dioxide and solute movement in one-dimensional variably saturated media.

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Data from: Evidence for polyphosphate accumulating organism (PAO)-mediated phosphorus cycling in stream biofilms under alternating aerobic/anaerobic conditions

This dataset comprises the data, analysis scripts, and visualization scripts for the paper by Saia et al. entitled 'Evidence for polyphosphate accumulating organism (PAO)-mediated phosphorus cycling in stream biofilms under alternating aerobic/anaerobic conditions.

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Greenhouse gas fluxes from a dairy cropping system at the Wisconsin Integrated Cropping System Trials

Greenhouse gas flux data and other ancillary measurements collected at the Wisconsin Integrated Cropping System Trials as part of the Dairy CAP project (funded by USDA-NIFA).

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