Criar uma conta gratuita
Adira ao Calaméo para publicar e partilhar documentos com o mundo!
E mais: classifique e comente as suas publicações preferidas, descarregue documentos e partilhe as suas leituras com os seus amigos.
Fall 2003 The Ecological Landscaper Newsletter
20 páginas
Publicado por
Melinda Aristofanis
The Newsletter of The Ecological Landscaping Association Vol.
10, No.
3 Fall 2003
The soil
food
web
WHAT IS THE SOIL FOOD WEB?
L
ife in the soil takes a multitude of forms, most of
which are undetectable by
the unaided eye.
These...
[Mais]
The Newsletter of The Ecological Landscaping Association Vol.
10, No.
3 Fall 2003
The soil
food
web
WHAT IS THE SOIL FOOD WEB?
L
ife in the soil takes a multitude of forms, most of
which are undetectable by
the unaided eye.
These
forms range in size and kind from
microscopic one-celled bacteria,
algae, fungi, and protozoa, to larger
nematodes, anthropods, earthworms,
insects, plant roots, and small animals.
These make up the community
called the soil food web.
The soil
organisms decompose organic
matter, recycle nutrients and energy,
and aid in the formation of humus.
They convert nutrients into forms
plants can use.
In fact, all plants—
grass, trees, shrubs, and agricultural
crops—depend on the soil food web
for their nutrition.
In turn, plant
roots exude sugars and simple
proteins that feed bacteria and fungi.
WHY IS THE SOIL
FOOD WEB IMPORTANT?
The soil food web performs an
amazing number and variety of
functions that contribute to soil
quality, plant health, and the cycles
[Menos]
Tags
association,
conference,
earth,
ecological,
energy,
food,
healthy,
humus,
landscape,
landscaping,
life,
nitrogen,
organisms,
plant,
plants,
soil,
systems
