An in-depth look into how Nitrogen, Phosphorus, and Potassium effect plant life and growth.

The Greenseeker Handheld sensor is manufactured by N-Tech Industries and sold by Trimble. The Pocket Sensor was developed to produce the same NDVI reading as a GreenSeeker just in a small more affordable package.

OSU precision ag and soil fertility provides producers with information about nutrient and fertilizer management through publications, fact sheets, newsletters, videos and more!

Information on how secondary nutrients and micronutrients play a role in the plant lifecycle and where these compounds come from.

The N-Rich Strip is an area in the field that has received enough fertilizer N so that no matter what the environmental conditions may be, N will not be limiting during the growing season. The N-rich strip is used in conjunction with the GreenSeeker™ hand held sensor to determine mid-season N rates. 

These prices are subject to change any time and can be used as estimates.

Regents Professor | Sitlington Chair in Agriculture 
Nutrient Management Research