All agronomists agree that soil pH must be considered the all-important starting-point of any crop fertiliser plan.

But yellow foliage isn't the only symptom of soil nitrogen deficiency ... plants suffering from low nitrogen levels in the ...

Nitrogen is one of the most important nutrients for garden health and if your soil doesn't have enough, your plant's leaves ...

If you have leaves that are supposed to be emerald green but instead look more like shades of lemon, it’s time to take a ...

Balanced fertility is essential. For example, adding nitrogen will not produce optimum yields if phosphorus is low. Soils low ...

Leaching of nitrogen (N) from livestock agriculture negatively affects surface ... The objective of this study was to provide field-scale measurements of N leaching losses from diverse pasture on ...

Cool-season forages require annual fertilization for optimum production. Fall is a good time to plan on fertilizing ...

Midwestern soils are among the most productive in the world, thanks in part to extensive tile drainage systems that remove excess water from crop fields. But water isn’t the only thing flowing through ...

– Submit each composite and each depth in its own sample bag. The benchmark composite: Farms could GPS-locate one “average ...

Half were grown in soil made up mostly of sand (90%) with a thin layer of organic topsoil (10%) and a low concentration of nutrients, especially nitrogen. The other half were grown in soil rich in ...