University of Maryland Extension

fertilizers

Nutrient management

Urban Ag home | Table of contents Figure 14: Plants take nutrients up through their roots and use them to build their bodies, including the parts we and animals eat. Plants need nutrients, like nitrogen (N), phosphorus (P), and potassium (K), to build their bodies. Different soil amendments add...

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 vegetative growth just above the top wire at veraison, and produce a crop that is in balance with the vegetative vigor. Regretfully high water availability and high nitrogen (N) content of...
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