Get premium membership and access questions with answers, video lessons as well as revision papers.
1) Greatest reservoirs of phosphate are the insoluble ferric and calcium phosphates in rocks (rock phosphate) in combination with calcium, iron and aluminium. Slow process of weathering releases phosphates to the soil.
2) Phosphates are also added to the soil by man in the form of artificial fertilizers.
3) Some quantity of phosphorus is deposited in deep sediments in oceans and is brought to the cycle by upwelling (but not extensive).
francis1897 answered the question on February 27, 2023 at 08:44
- What is the importance of Phosphates?(Solved)
What is the importance of Phosphates?
Date posted: February 27, 2023. Answers (1)
- What are the risks posed by increased availability of inorganic nitrogen in the environment?(Solved)
What are the risks posed by increased availability of inorganic nitrogen in the environment?
Date posted: February 27, 2023. Answers (1)
- What are the human influences on the nitrogen cycle?(Solved)
What are the human influences on the nitrogen cycle?
Date posted: February 27, 2023. Answers (1)
- Discuss the processes of the nitrogen cycle(Solved)
Discuss the processes of the nitrogen cycle
Date posted: February 27, 2023. Answers (1)
- Define the ecological function of nitrogen(Solved)
Define the ecological function of nitrogen
Date posted: February 27, 2023. Answers (1)
- State the important processes of the nitrogen cycle(Solved)
State the important processes of the nitrogen cycle
Date posted: February 27, 2023. Answers (1)
- Many different processes lead to movements and phase changes in water. Discuss(Solved)
Many different processes lead to movements and phase changes in water. Discuss
Date posted: February 27, 2023. Answers (1)
- Discuss and describe the water cycle in biogeography(Solved)
Discuss and describe the water cycle in biogeography
Date posted: February 27, 2023. Answers (1)
- What is systems analysis in biogeography?(Solved)
What is systems analysis in biogeography?
Date posted: February 27, 2023. Answers (1)
- Discuss the concept of Conservation and Resource Management(Solved)
Discuss the concept of Conservation and Resource Management
Date posted: February 27, 2023. Answers (1)
- Why is the knowledge of plant geography significant?(Solved)
Why is the knowledge of plant geography significant?
Date posted: February 27, 2023. Answers (1)
- Discuss the branches of Biogeography(Solved)
Discuss the branches of Biogeography
Date posted: February 27, 2023. Answers (1)
- Discuss the history of biogeography(Solved)
Discuss the history of biogeography
Date posted: February 27, 2023. Answers (1)