University of Maryland Extension

nutrient managment

Certifications in agriculture and natural resources

I get a lot of questions about certifications. What certifications should a farmer or landscaper or food entrepreneur get? What professional development certifications can UMD Extension help you work towards? If you ask me that question, I’ll likely ask you to take a moment to think about why you...

Nitrogen Fertilization in the Vineyard

Timely Viticulture: Pre Bloom
The annual goal in the established vineyard is to have the vines fill their allotted trellis space, top out just above the top wire at verasion, and produce a crop that is in balance with the vegetative vigor. For many grapevines (especially vinifera varieties), excessive nitrogen may lead to...
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