Soil is the most fundamental and basic
resource. Traditionally, the soils main function has been
as a medium for plant growth. Now, along with the
increasing concerns of food security, soil has multi-
functionality including environmental quality, the global
climate change, and repository for urban/industrial waste.
Soil supports a complex ecosystem, which supports the
plants on the surface and creates new soil by breaking down
rocks and sand. This microscopic ecosystem has co-evolved
...

A nutrient is a chemical that an organism needs to live and grow or a substance used in an organisms metabolism which must be taken in from its environment. Nutrients are the substances that enrich the body. Methods for nutrient intake vary, with animals and protists consuming foods that are digested by an internal digestive system, but most plants ingest nutrients directly from the soil through their roots or from the atmosphere. Some plants, like carnivorous plants, externally digest nutrients from animals, before ingesting them. Organic nutrients include carbohydrates, fats, proteins (or...

Agriculture, science and practice of producing crops and livestock from the natural resources of the earth. The primary aim of agriculture is to cause the land to produce more abundantly and at the same time to protect it from deterioration and misuse. The diverse branches of modern agriculture include agronomy, horticulture, economic entomology, animal husbandry, dairying, agricultural engineering, soil chemistry, and agricultural economics. Agriculture is the production of food and goods through farming. Agriculture was the key development that led to the rise of human civilization, with...

Agriculture, science and practice of producing crops and livestock from the natural resources of the earth. The primary aim of agriculture is to cause the land to produce more abundantly and at the same time to protect it from deterioration and misuse. The diverse branches of modern agriculture include agronomy, horticulture, economic entomology, animal husbandry, dairying, agricultural engineering, soil chemistry, and agricultural economics. Agriculture is the production of food and goods through farming. Agriculture was the key development that led to the rise of human civilization, with...