Crop Yield

“1. Tillage is key for hemp establishment, growth, and yield in organic systems. 2. Cover crop improved hemp and barley yields and soil health under conventional till. 3. Moderate nitrogen (N) fertilization increased hemp fiber/grain and barley yield with better quality. 4. Cover cropping with N management enhances organic hemp–barley production”

“Across 26 on-farm Nebraska trials, foliar micronutrients rarely raised corn yield because soils were already sufficient — helping growers avoid unnecessary micronutrient spending.”

“Open imaging datasets of widely-grown corn lines give breeders and data scientists a shared benchmark for building faster, cheaper crop-improvement tools.”

“Analyzing 9,280 Nebraska fields pinpointed where nitrogen is over-applied — showing growers where to cut fertilizer cost and nitrogen losses without sacrificing yield.”

“Mapping subsurface water pathways with ground-penetrating radar plus surface elevation explained corn and soybean yield variation far better than topography alone (error dropped from 23.7% to 15.3%, and to 10.0% when remote sensing was added). Even without costly subsurface surveys, adding surface flow accumulation cut error to 18.4%, making hydro-topographic zoning a practical basis for site-specific management.”

“Sensor-based N management cut nitrogen application by ~40 kg N/ha in corn with no yield loss across 57 Nebraska on-farm site-years (2015–2023). Benefits are greatest in moderate-to-high yield variability fields with coarser soils. Sensors showed no statistically significant gains in winter wheat. Profit probability exceeded 60% for corn across most price scenarios. Despite consistent evidence, only 11% of Nebraska producers currently use sensor-based approaches — indicating a technology transfer gap.”

“Cold climate influences on maize nitrogen management.”

“Soil microbial activity profiles associated with organic compost fertilizers in an urban garden.”

“Nitrate leaching into groundwater as a result of high N fertilizer rates to annual crops presents human health risks and high costs associated with water treatment. Intermediate wheatgrass is a low-input crop has the potential to produce profitable grain and biomass yields while reducing nitrate.”

“UAV-Based Prediction of Sugarbeet Yield and Quality.”

“Conservation Tillage and Nitrogen Management for Sugarbeet Production.”

“This study was conducted to investigate linkages between seasonal climatic conditions and sugarbeet sucrose content in southern Idaho and eastern Oregon.”

“Soil organic matter, permanganate oxidizable carbon, and autoclaved citrate extractable nitrogen are positively associated with soybean yield, but planting date remains more influential.”

“Field-scale experiments reveal persistent yield gaps in low-input and organic cropping systems.”

“Modeling Long-Term Corn Yield Response to Nitrogen Rate and Crop Rotation.”

“Assimilation of remotely sensed soil moisture and vegetation with a crop simulation model for maize yield prediction.”

“Robust Landsat-based crop time series modelling.”

“Long-term crop rotation and tillage effects on soil greenhouse gas emissions and crop production in Illinois, USA.”

“Mapping crop residue and tillage intensity using WorldView-3 satellite shortwave infrared indices.”

“Cropping systems and management practices that improve soil health may greatly enhance crop productivity.”

“A comparison of yield stability and in-season remote sensing for predicting yield patterns at a sub-field scale.”

“Conservation agriculture increases the soil resilience and cotton yield stability in climate extremes of the southeast US.”

“Growth, yield, and yield stability of canola in the Northern Great Plains of the United States.”

“Soil Water Holding Capacity Mitigates Downside Risk and Volatility in US Rainfed Maize.”

“Within-field yield stability and gross margin variations across corn fields and implications for precision conservation.”

“Across 15 North Dakota nitrogen-rate sites, red and red edge NDVI predicted corn yield equally well at V6, but at the later V12 stage red edge NDVI outperformed red NDVI because red readings saturate once the canopy closes. For growers using GreenSeeker or Crop Circle sensors to guide in-season N, red edge is the better choice for late-season sidedress decisions.”

“Mid-Season High-Resolution Satellite Imagery for Forecasting Site-Specific Corn Yield.”

“Application of Vegetation Indices for Agricultural Crop Yield Prediction Using Neural Network Techniques.”

“Simulating Soil Organic Carbon Responses to Cropping Intensity, Tillage, and Climate Change in Pacific Northwest Dryland.”

“This study investigates the potential benefits of using tectonite dust as a soil amendment in central Oregon.”

“Increasing Cropping System Diversity Balances Productivity, Profitability and Environmental Health.”

“Broccoli microgreens: A mineral-rich crop that can diversify food systems.”

“A 2-year study was conducted in Illinois, Indiana, Iowa, and Ontario in 2013 and 2014 to determine the effects of planting date, seed treatment, and cultivar on plant population, sudden death syndrome, and grain yield of soybean (Glycine max).”

“Remote Sensing Based Rapid Assessment of Flood Crop Damage Using Novel Disaster Vegetation Damage Index (DVDI).”

“Agronomic optimum N fertilization is critical to maintain or increase soil organic C in Midwest cropping systems.”

“Further adoption of conservation tillage can increase maize yields in the western US Corn Belt.”

“Simulated impacts of winter rye cover crop on continuous corn yield and soil parameters.”

“Registration of ‘Sierra’ Chickpea.”

“Predicting crop yields and soil N dynamics in the US Corn Belt.”

“Relationship of inseason soil nitrogen concentration with corn yield and potential nitrogen losses.”

“Positive associations of soil organic matter and crop yields across a regional network of working farms.”

“Linking economic and social factors to peak flows in an agricultural watershed using socio-hydrologic modeling.”

“Wheat cover can impose a corn yield penalty (−12.6% in 2018). N timing matters under wet springs: in 2019, delayed/sidedress N improved NUE and yield vs more at-plant N. MRTN tools should account for cereal cover crops via N credit/adjustment.”

“Cover-Crop Roller–Crimper Contributes to Weed Management in No-Till Soybean.”

“Crop Residue Management Challenges: A Special Issue.”

“Foliar sprays of eight plant-derived protein hydrolysates on tomato generally increased digital biomass, with two products (A and I) significantly improving relative growth rate and overall growth performance, though chlorophyll fluorescence showed no photosynthetic differences. Metabolomics indicated the biostimulants worked by reprogramming ethylene-precursor, polyamine, and ROS-signaling pathways, and the phenotyping-plus-metabolomics combination proved an efficient way to screen new biostimulant candidates.”

“In HLB-infected 'Ray Ruby' grapefruit in Florida, packing 975 trees/ha instead of 300 cut canopy volume per tree by 33% but raised fruit yield per hectare 160% and solids yield 190%, with slightly more acidic, higher-soluble-solids fruit. Controlled-release fertilizer blends with extra micronutrients and less potassium grew bigger canopies but did not improve yield — in fact yield per hectare dropped 24% in the first season — so micronutrient-boosted CRF is not a reliable fix for HLB in grapefruit.”

“In HLB-infected 'Ray Ruby' grapefruit, planting at 975 trees/ha (double-row high density) gave the highest fruit and solids yield per hectare despite smaller trees and lower yield per tree, with slightly more acidic, higher-soluble-solids fruit. Extra soil or foliar B/Mn/Zn (up to 6x recommended rates) raised leaf nutrient levels but did not improve yield or reduce bacterial titer — foliar micronutrients actually coincided with lower yield and photosynthesis in one year.”

“Ammonia emissions and corn yield response from injected versus surfaceapplied liquidseparated anaerobic digestate.”

“Impacts of low disturbance liquid dairy manure incorporation on alfalfa yield and fluxes of ammonia, nitrous oxide, and methane.”

“Does potentially mineralizable nitrogen predict maize yield in newly cropped soil?.”

“Soil solarization in high tunnels is a viable and effective management strategy for root-knot nematodes.”

“The LTAR Cropland Common Experiment at R. J. Cook Agronomy Farm.”

“Economic trade-offs: analysis of winter cover crop use in organic tomato high tunnel systems across multiple regions.”

“Application of UAV Multispectral Imaging to Monitor Soybean Growth with Yield Prediction through Machine Learning.”

“Prediction of Cereal Rye Cover Crop Biomass and Nutrient Accumulation using Multi-Temporal Unmanned Aerial Vehicle Based Visible-Spectrum Vegetation Indices.”

“Shortrun net returns to a cereal rye cover crop mix in a midwest corn–soybean rotation.”

“A probabilistic assessment of winter cover crop impacts on regional crop yield and soil carbon.”

“Cover crops and preemergence herbicides: An integrated approach for weed management in corn-soybean systems in the US Midwest.”

“A no-till experiment was conducted in Auburn, AL U.S.A. to evaluate the effectiveness of an experimental two-stage roller/crimper in reoccurring rolling over the same area planted with a cereal rye-crimson clover cover crop mix and its influence on bush bean yield.”

“Timing and rate of nitrogen fertilizer application can influence maize grain yield, N uptake, and NUE parameters, but results have been inconsistent across the upper Midwest.”

“The effect of tarp duration and tillage intensity on weeds and beet crop yields was evaluated at three locations and over 2 years.”

“In 13 years of the Rodale Farming Systems Trial, cutting tillage lowered gross revenues about 10-13% in conventional and low-input organic systems but also trimmed costs 5-6%, leaving net returns essentially unchanged (though with more year-to-year economic risk). The manure-based organic system with continuous living cover was least affected by reduced tillage and out-earned the conventional system even without organic price premiums.”

“Despite the tradeoffs between mineral N retention and elevated GHG emissions, manure injection in notill systems benefits farmers by reducing soil carbon.”

“Longterm impacts of drain spacing, crop management, and weather on nitrate leaching to subsurface drains.”

“Influence of variable biochar concentration on yield-scaled nitrous oxide emissions, Wheat yield and nitrogen use efficiency.”

“Sorghum biomass production in the continental United States and its potential impacts on soil organic carbon and nitrous oxide emissions.”

“Can rainfall explain the variation of sugarbeet root and sugar yield across North Dakota and Minnesota?.”

“Sugarbeet response to interactions between fallseeded cover crop and fertilizer nitrogen application time.”

“An experiment conducted at the University of Wisconsin's Arlington Agricultural Research Station from 2021 to 2022 examined both pre and postcorn planting management strategies of a red clover living mulch on clover growth, weed biomass, corn plant population, and grain yield.”

“Preliminary Effects of Crop Residue Management on Soil Quality and Crop Production under Different Soil Management Regimes in Corn-Wheat Rotation Systems.”

“Influence of cover crop, tillage, and crop rotation management on soil nutrients.”

“Modeling of tile-drained corn–soybean fields in Iowa (validated to within 6% for corn and 13% for soybean yields) showed drainage boosts soil oxygen in wet springs, which spurs deeper rooting that later buffers summer drought, raising yields about 6% — but it also increases subsurface flow and inorganic nitrogen leaching.”

“Applying coal combustion residue as a carbon amendment (3.3–19.7 Mg C/ha) in a western Nebraska dry bean–maize–sugarbeet rotation gave no consistent yield benefit over three years, with only weak yield trends (p = 0.07–0.22) in some crop-years. It did not reduce herbicide effectiveness on weeds, though one mid-rate treatment cut maize yield where saflufenacil + dimethenamid-p was applied.”