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Farm Machinery Selection
This publication helps farm managers choose the proper machine size and estimate machinery cost.
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Calibrating Liquid Tank Manure Applicators
Liquid manure can supply all the nutrients needed to attain optimum crop growth. Knowing how much manure to apply per acre and what nutrients are available and in what quantity, are keys to successfully using manure for crop production.
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Calibration Worksheet for Liquid Manure Tank Applicators
Liquid manure can supply all the nutrients needed to attain optimum crop growth. Knowing how much manure to apply per acre and what nutrients are available and in what quantity, are keys to successfully using manure for crop production.
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Estimating Field Capacity of Farm Machines
Includes ways to figure a machine's theoretical field capacity (TFC), effective field capacity (EFC), and field efficiency (FE).
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Self-Propelled Harvesting and Spraying: Machinery Ownership Versus Custom Hire
Includes advantages and disadvantages of custom hiring and information on estimating costs; includes worksheets.
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Employers' Instructional Guide | Training Employees Who Operate Agricultural Tractors
Training employees who operate agricultural tractors is important. All operators should be informed of the nine safe operating practices presented in this publication. WWW only.
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Estimated Costs for Livestock Fencing
This publication compares the costs of building a quarter mile straight perimeter fence with woven wire, barbed wire, high-tensile non-electric, and high-tensile electrified, and temporary interior fencing.
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Energy Fundamentals for Farm Lighting - Farm Energy
Find basic information about several farm lighting options for security, worker safety, livestock production, and work after dark. Also gives a brief overview of energy efficiency for lighting options.
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Sensing Nitrogen Stress in Corn
Water quality concerns and high N fertilizer prices have made more precise nitrogen management strategies important to improve efficiency and profitability. Get the details here.
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Shift Up and Throttle Back to Save Tractor Fuel | Farm Energy
Shifting up and throttling back can save tractor fuel under certain conditions. This brochure offers tips on how much you'll save and the best times to use the technique.
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Tractor Maintenance to Conserve Energy - Farm Energy
Machinery represents a significant portion of capital costs in farming operations. Learn tips to manage a well-kept fleet of machinery, able to respond to changing field conditions and other seasonal needs.
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Electric Savings: Understanding Demand and 3-phase Motor Use - Farm Energy
Sometimes simple changes can reduce energy use on the farm. Explore details on demand charges and 3-phase motors.
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Grain Test Weight Deception
Some grain dryer advertisements may be deceptive. Get the details and see an example.
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Acquiring Farm Machinery Services
This publication explores the advantages and disadvantages of joint ownership, custom hire, rental agreements, and leases in terms of initial capital, cash flow, repairs and maintenance, income tax deductions, and efficient management.
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Protecting Our Water Quality with Sprayer Calibration
Proper calibration of pesticide sprayers is critical to achieve economical crop management and responsible stewardship of natural resources. Precise application minimizes potential problems while maximizing the effectiveness of the pesticide.
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Farm Electric Power Sales Tax Exemption
Fuels, including electricity, used directly in processing and production on the farm are exempt from Iowa state sales tax. To receive this exemption, a farmer must provide adequate documentation. This publication provides information, worksheets, and a sales tax exemption certificate to aid farmers.
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Adjustment and Operation of Tillage Equipment in Systems with High Levels of Surface Residue -- Conservation Tillage
This publication suggests tillage operation adjustments that may leave an additional 10 to 15 percent surface residue beyond what current practices leave with a chisel plow or disk system.
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Sigue Las Huellas Del Tractor por el Camino Seguro -- El Club Misterio | Spanish version of "The Mystery Club"
Farm safety newsletter and activities for you, focusing on farm accidents, brought to you by Captain Overalls, safety crusader.
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Precauciones con Aves, Abejas, y Otras Bestias -- El Club Misterio | Spanish version of "The Mystery Club"
Farm safety newsletter and activities for you, focusing on farm accidents, brought to you by Captain Overalls, safety crusader.
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Descubriendo Los Peligros Escondidos de la Granja -- El Club Misterio | Spanish version of "The Mystery Club"
Farm safety newsletter and activities for you, focusing on farm accidents, brought to you by Captain Overalls, safety crusader.
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Agricultural Health Study -- Study Update 2005
Publication discusses study update for Agricultural Health Study in 2005, including a table listing newly diagnosed cancers between the study’s beginning and 2002.
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Finding the Right Machine for the Job: Compact Power Equipment
You'll find in-depth information on buying outdoor power equipment that's best for you. Includes step-by-step instructions and detailed tables.
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Agricultural Health Study -- Study Update 2004
Publication discusses study update for Agricultural Health Study (AHS) in 2004, including a table listing newly diagnosed cancers since AHS enrollment through 1999.
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Agricultural Health Study -- Risk Factors for Injury from Livestock and Farm Machinery
Publication discusses risk factors significantly associated with animal-related and machinery-related injury among farmers surveyed in Iowa. Hearing loss is leading risk factor for both types of injury.
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Setting Combines for Harvesting Best Quality Seed and Field Corn
A pocket guide for setting combines to harvest best quality seed and field corn with the least amount of grain damage.
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Setting Combines for Harvesting Best Soybean Seed Quality and Maximum Yield
A pocket guide for setting combines to harvest best soybean seed quality and maximum yield with the least amount of grain damage.
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Improving the Uniformity of Anhydrous Ammonia Application
Learn ways to reduce application inefficiencies of anhydrous ammonia.
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On Track with Tractor Safety -- The Mystery Club
Farm safety newsletter and activities for youth, focusing on tractor safety, brought to you by Captain Overalls, the safety crusader.
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Planter Clean-out Tips When Changing Seed Varieties
Information to help you manage identity-preserved grain.
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New Weight Restrictions for Manure Hauling Equipment
Overview of updates for farm equipment weight restrictions. Includes weight restrictions with explanations.
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Low Temperature Drying Systems in Iowa
This publication discusses many of the most important decisions you need to make to successfully develop and use low-temperature grain drying systems in Iowa. The information about selecting equipment and operating the bin is appropriate only for corn, and similar for grain sorghum.
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Soil Wetting Agents: Their Use in Crop Production
This publication discusses how the water infiltration process works and how wetting agents affect this process. Soil problems associated with water repellency, testing for water repellency, and factors in choosing a soil wetting agent also are discussed.
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Cultivation: An Effective Weed Management Tool
Common questions are answered about relying on cutivation for interrow weed control. Other weed management factors also are addressed, such as time, weather conditions, erosion control, and cost.
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Farm Equipment: Forage Harvest Equipment Issues for Corn and Soybeans -- Disaster Recovery Series
Equipment and safety issues for harvesting damaged corn or soybeans as forage.
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Adjustment and Operation of Planters in Systems with High Levels of Surface Crop Residue -- Conservation Tillage
Information to help you match your planter operation objectives to various modifications possible to a row crop planter.
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Planning -- Conservation Tillage
Selecting a tillage system is one of a crop producer's most important management decisions. Conservation tillage reduces preplant tillage operations, thus reducing soil erosion and saving on labor and fuel. Consider the advantages and disadvantages for various tillage systems and match them to your field conditions.
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Fertility Practices and Equipment for No-Till and Ridge-Till -- Conservation Tillage
Fertilization decisions for reduced tillage need to be based on good soil tests and reasonable yield goals. Then check this pub for appropriate equipment possibilities and procedures.
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Cultivators for No-Till and Ridge-Till -- Conservation Tillage
Get information on no-till and ridge-till equipment and management tips.
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Broadcast Sprayer Calibration

Provides step-by-step instructions for accurate calibration of a broadcast sprayer using a measuring tape, watch with a second hand, and a measuring container graduated in ounces.
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Estimating Fan Airflow for Grain Bins
The drying fan is one of the most important, and often least understood, pieces of equipment in a grain bin drying system. This publication addresses many of the common questions about bin drying fans.
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Conveyors for Bulk Handling of Seed
Conveyors are used to fill and unload bulk seed storage bins and to transfer seed within a seed cleaning plant This publication describes commercial conveyors available and how to select one.
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Minimizing Mechanical Damage to Soybeans
Basic information on why mechanical damage occurs to soybean seed and how to minimize it.
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