Corn Yield Calculator

How to Use The Corn Yield Calculator

Step 1: Enter Your Inputs

You will find several input fields in the calculator. Each field plays a crucial role in determining your corn yield. Here's what each field represents:

• Number of Ears per 1/1000 of an Acre: Enter the count of corn ears in a sample area of 1/1000 of an acre.
• Kernel Rows per Ear: Specify the average number of kernel rows per corn ear.
• Kernels per Row: Enter the average number of kernels in each row.
• Kernels per Ear: This is calculated automatically by multiplying 'Kernel Rows per Ear' with 'Kernels per Row'. However, if you already know the total kernels per ear, you can directly input this number, overriding the automatic calculation.
• Kernel Weight: Select the kernel weight from the dropdown menu. The default option is "Average", which corresponds to 90,000 kernels per bushel, reflecting the most typically used weight. You can change this to "Low", or "High" which equate to 65,000 and 110,000 kernels per bushel respectively.
• Price per Bushel: This is an optional field where you can enter the current market price per bushel of corn.

Step 2: Real-Time Calculations

As you input or modify values, the calculator dynamically computes two key figures:

1. Total Yield: Displayed in real-time, this figure represents the estimated number of bushels per acre based on your inputs.
2. Revenue per Acre: Also calculated in real-time, this value estimates the potential revenue per acre, factoring in the entered price per bushel.

By following these steps and tips, you can effectively use our Corn Yield Calculator to estimate the yield and potential revenue of your corn crop. Happy farming!

How to Estimate Corn Yield

Corn yield estimation is a vital process for farmers, agronomists, and agricultural businesses. It involves predicting the amount of corn (usually measured in bushels per acre) that will be harvested from a given field. This estimation is crucial for making informed decisions about crop management, marketing, and financial planning. The theory behind corn yield estimation is grounded in understanding the components that contribute to yield and how they interact.

Key Components of Corn Yield

1. Number of Ears per Acre: This is a primary determinant of yield. More ears per acre generally translate to higher yields. This is influenced by planting density, variety of corn, and overall field conditions.
2. Kernels per Ear: This is affected by the genetic potential of the corn variety, as well as environmental conditions during the critical ear development phase. Nutrient availability, water stress, and temperature are significant factors.
3. Weight of Kernels: The weight of the kernels is influenced by the kernel size and density, which are affected by the growing conditions during the grain filling period. Adequate nutrition and water supply are crucial during this stage.

Estimation Methods

1. Empirical Estimation: This involves counting the number of ears and kernels in a specific area (such as 1/1000th of an acre) and then extrapolating to estimate the yield for the entire acreage.
2. Statistical and Mathematical Models: These models use historical data, weather patterns, and other agronomic factors to predict yields. They can be more complex but offer the advantage of incorporating a wide range of variables.
3. Technological Methods: With advancements in technology, methods like remote sensing, drone surveys, and precision agriculture tools are increasingly used for yield estimation. These methods provide detailed data on crop health and development, which can be used to predict yields more accurately.

Factors Influencing Yield

• Environmental Factors: Weather conditions throughout the growing season, including temperature, rainfall, and sunlight, have a significant impact on corn yield.
• Agronomic Practices: Planting density, irrigation, fertilization, and pest control directly influence the health and productivity of the corn crop.
• Genetic Factors: The inherent genetic potential of the corn variety also plays a crucial role in determining yield potential.

Sources

1. Corn Yield Estimates: Iowa State University - Integrated Crop Management
2. Agronomy Handbook Chapter 2 (Corn): College of Agricultural, Consumer & Environmental Sciences (Illinois Extension)