A5062230728- Agricultural Economics and Policy
- Agricultural risk and resilience
- CO2 Sequestration and Geologic Interactions
- Economics of Agriculture and Food Markets
- Ruminant Nutrition and Digestive Physiology
- Agricultural Innovations and Practices
- Hydrocarbon exploration and reservoir analysis
- Animal Nutrition and Physiology
- Radioactive element chemistry and processing
- Hydraulic Fracturing and Reservoir Analysis
- Genetic and phenotypic traits in livestock
- Chemical Synthesis and Characterization
- Crop Yield and Soil Fertility
- Berry genetics and cultivation research
- Enhanced Oil Recovery Techniques
- Evolution and Paleontology Studies
- Groundwater flow and contamination studies
- Drilling and Well Engineering
- Nuclear Physics and Applications
- Extraction and Separation Processes
- Food Security and Health in Diverse Populations
- Electrochemical Analysis and Applications
- Agriculture Sustainability and Environmental Impact
- Molecular Biology Techniques and Applications
- Paleontology and Evolutionary Biology
The University of Melbourne
2016-2025
Museums Victoria
2024
University of Louisiana at Lafayette
2024
Michigan State University
1999-2020
CO2CRC
2013-2019
Colorado State University
2019
Auburn University
2017
Geoscience Australia
2013-2014
University of California, Los Angeles
2009-2013
Monash University
2001-2011
The integration of cover crops into cropping systems brings costs and benefits, both internal external to the farm. Benefits include promoting pest‐suppression, soil water quality, nutrient cycling efficiency, cash crop productivity. Costs adopting increased direct costs, potentially reduced income if interfere with other attractive crops, slow warming, difficulties in predicting N mineralization, production expenses. Cover benefits tend be higher irrigated systems. literature is reviewed...
Abstract This article documents the design and rate‐making procedures used in development of Group Risk Plan (GRP)—the new federal crop insurance product that insures based on area yield. The authors this worked closely with personnel Federal Crop Insurance Corporation others developing methodological practical constraints needed implementing a workable yield contract. GRP indemnity payments are made percentage shortfalls actual county yields relative to forecasted Historical data develop...
A system for summarizing and applying factors known to influence body composition feedstuff utilization predict performance of growing cattle is outlined. Included are adjustments sizes, breeds sexes, varied conditions due previous nutritional treatment, use various growth stimulants, feed additives environments. The physiological effects these estimated using results from experiments. Dry matter intake equations described, as quality yield grades. maintenance requirement a function actual...
Abstract It is widely recognized that an “African green revolution” will require greater use of inorganic fertilizers. Often‐made comparisons note fertilizer rates in Africa are just 10–20% those Asia, Europe and the Americas. Most attempts to explain relatively low‐adoption assume yield responses fertilization warrant higher application hypothesize observed limited by market‐based factors. Another explanation may be low because African yields less responsive than other regions, analysts...
Copper is a critical metal required for green energy technologies such as wind turbines and solar cells. However, copper supply limited by recovery from primary sulphides (e.g., chalcopyrite-CuFeS2) due to passivating reaction products. Therefore, this study examined surface ‘passivation’ of sulphide minerals undergoing coupled dissolution with reprecipitation (CDR) reactions the associated mineral changes in acidic chloride-rich lixiviants (FeCl3-only, AlCl3-rich, NaCl-rich, CaCl2-rich...
Magnesium is an essential nutrient, which activates more enzymes than any other mineral element and, thus, plays important role in biogeochemical cycles. With three stable isotopes naturally abundant (24Mg, 78.992%; 25Mg, 10.003%; 26Mg, 11.005%), magnesium isotope fractionation may provide insights into these Here, we detail for the first time stable-isotope distribution a higher plant, wheat (Triticum aestivum L.), during its growth cycle. Wheat plants were grown limiting nutrient supply...
The success of tropical scleractinian corals depends on their ability to establish symbioses with microbial partners. Host phylogeny and traits are known shape the coral microbiome, but what extent they affect its composition remains unclear. Here, by using 12 species representing complex robust clades, we explored influence host phylogeny, skeletal architecture, reproductive mode microbiome composition, further investigated structure tissue skeleton bacterial communities. Our results show...
This article compares risk reduction from MPCI and GRP crop insurance contracts. The analysis extends improves on the existing area-yield literature in four important respects. First, geographical scope greatly exceeds that of previous work. Second, unlike efforts, area is not assumed to consist only those farms included analysis. Third, based actual indemnity function rather than commonly used literature. Fourth, avoids questionable assumption scale can be optimized at individual farm...
Abstract The performance of individual farm yield and area crop insurance programs is evaluated for a representative Iowa corn using numerical optimization expected utility simulation techniques. Several different contract design features are studied, including the nature index which triggers payouts, alternative restrictions on coverage levels, pricing structures. Performance in terms impacts farmer participation welfare examined portfolio setting where futures options also available to...
Oxygen-isotope-exchange rates were measured between sites in the Lindqvist-type [H(x)()Nb(6)O(19)](8)(-)(x)()((aq)) polyoxoanion and aqueous solution as a function of pH temperature. The ion has central mu(6)-O that is inert to exchange, 12 mu(2)-O(H), 6 eta-O. potassium salt this recrystallized (17)O-enriched water (17)O-label anion, which then redissolved into isotopically normal so (17)O NMR signals from structural oxygens can be followed time. Because retains its signal throughout...
Photosynthesis generates ∼100 gigatons of carbon per year and drives many terrestrial geochemical cycles. Magnesium is the metal center in chlorophyll thus central to photosynthesis. Here we report measurements Mg isotopic composition chlorophylls English Ivy (Hedera helix L.) showing that chlorophyll-a isotopically heavier than chlorophyll-b (Δ26MgChla-Chlb = 0.434 ‰ (±0.148) Δ25MgChla-Chlb 0.241 (±0.108)). The are consistent with electronic structure calculations fractionation, implying -b...
A large electrochemical isotopic effect is observed upon the electrodeposition of lithium from solutions propylene carbonate producing isotopically light metal deposits. The magnitude fractionation controlled by applied overpotential and largest close to equilibrium. Calculated partition function ratios for tetrahedrally coordinated complexes metallic predict an equilibrium that measured experimentally.