Gypsum is also used to supply calcium for plant nutrition.

There are several principles that apply to plant nutrition.

Compost should be considered a soil improver, rather than a source of plant nutrition.

Plant nutrition is the study of the chemical elements that are necessary for plant growth.

Nitrogen is essential for plant nutrition, and thus for animal life as well.

A. Animal manures have been used as a source of plant nutrition/soil improvement for centuries.

Increased understanding of the important chemicals need for proper plant nutrition allowed new fertilizers to be imported and made.

Several different fungal inoculants have been explored for their benefits to plant nutrition.

All three are basic for plant nutrition.

This should favour beneficial soil organisms as well as better plant nutrition.

This is about nitrogen compounds in plant nutrition.

Journal of plant nutrition and soil science.

It is rich in nutrients necessary for basic plant nutrition, including nitrogen, phosphorus and potassium.

These chemists held the "balance-sheet" theory of plant nutrition.

Studies in plant nutrition had also progressed.

See more on plant nutrition below.

Agrobiology is the science of plant nutrition and growth in relation to soil conditions, especially to determine ways to increase crop yields.

"Pesticide-free" is not at all related to fertilization (plant nutrition), but has become a legal inclusion.

Organic sources - those derived from animals, plants or minerals - usually contain but one vital ingredient needed for plant nutrition.

The organic matter is a natural fertilizer which provides sufficient plant nutrition for the organic crops.

C3.3 Soil fertility and plant nutrition.

Potassium ions are an essential component of plant nutrition and are found in most soil types.

The balance-sheet theory of plant nutrition dominated the laboratory and the geological concept dominated field work.

He has pursued a well-conceived research program in soil fertility, plant nutrition and fertilizer use, with emphasis on micronutrients.

In 1923, she was appointed a full professor in Plant Nutrition at Hohenheim.