Enter the target plant population (p/m^2) and the TGW (thousand gram weight) (g) into the Seed Rate Calculator. The calculator will evaluate the Seed Rate.

## Seed Rate Formula

The following two example problems outline the steps and information needed to calculate the Seed Rate.

SER = TPP * TWG * 100
• Where SER is the Seed Rate (kg/ha)
• TPP is the target plant population (p/m^2)
• TWG is the TGW (thousand gram weight) (g)

To calculate the seed rate, multiply the target plant population the thousand-gram weight, then multiply by 100.

## How to Calculate Seed Rate?

The following example problems outline how to calculate Seed Rate.

Example Problem #1:

1. First, determine the target plant population (p/m^2).
• The target plant population (p/m^2) is given as: 30.
2. Next, determine the TGW (thousand gram weight) (g).
• The TGW (thousand gram weight) (g) is provided as: 60.
3. Finally, calculate the Seed Rate using the equation above:

SER = TPP * TWG * 100

The values provided above are inserted into the equation below and computed.

SER = 30 * 60 * 100 = 180,000 (kg/ha)

Example Problem #2:

For this problem, the variables required are provided below:

target plant population (p/m^2) = 50

TGW (thousand gram weight) (g) = 100