Similarly a fertiliser for feeding grass in the spring will be high in nitrogen. To remain healthy, plants also need other nutrients, such as calcium (Ca), sulphur (S) and magnesium (Mg), as well ...

Residual nitrogen can save growers on fertilizer for 2025, so Lewis advises to take soil samples at least 18 inches deep to ...

While the benefits of plant-based diets are well known, the study, published in Food & Function ... In particular, these plant products were high in derivates of a compound called quercetin ...

Manures and other organic residuals (e.g., biosolids, food processing wastes) and many commercial fertilizers available to producers contain nitrogen (N). Nitrogen is an important plant nutrient that ...

A study in Science analyzed nitrogen isotope ratios in fossilized tooth enamel from seven Australopithecus individuals (3.7–3 ...