kids encyclopedia robot

Fertilizer facts for kids

Kids Encyclopedia Facts
A large, modern fertilizer spreader
HomeComposting Roubaix Fr59
Compost bin for small-scale production of organic fertilizer

A fertilizer is a chemical that helps plants to grow. It is used to replace the mineral salts taken by plants or removed by rain.

Common fertilizers:

The important things in fertilizer are:

When fertilizers are offered for sale, the percentage of N, P, and K must be written on the bags or boxes, but for historcal reasons, P is shown as %P2O5 and K is shown as %K2O.

E.g.:9-23-30 which means: 9% N, 23%P2O5 and 30%K2O.

In Australia the pecent of elemental sulfur must also be shown. In the UK, the elemental composition (in percentages) may also be shown alongside the mandatory traditional system, provided the numbers are put inside square brackets.

Leafy plants need lots of N. Flowering plants need lots of P and K.

A soil test can tell how much N, P, and K is needed.

Images for kids

See also

Kids robot.svg In Spanish: Fertilizante para niños

kids search engine
Fertilizer Facts for Kids. Kiddle Encyclopedia.