Podcast Beta
Questions and Answers
=The advantage of soil microbial diversity includes _________
The correct order of the microorganisms according to their role to soil aggregates is ___
All of the following are factors that reduce soil microbial diversity, except____
The highest microbial diversity of soil is observed in _________soil
Signup and view all the answers
The symbiotic nitrogen fixation system that is beneficial in rice production among the following is ____
Signup and view all the answers
What is the role of mycorrhizae in plant nutrition?
Signup and view all the answers
What is the role of Bt biopesticides in pest management?
Signup and view all the answers
What are the key factors influencing microbial organic matter decomposition in soil?
Signup and view all the answers
What are the key factors influencing exchangeable cations in soil?
Signup and view all the answers
Why are nitrogen (N) and phosphorus (P) considered limiting nutrients in most soils?
Signup and view all the answers
Study Notes
Soil Microbial Diversity
- Soil microbial diversity has several advantages, including improved ecosystem functioning, increased nutrient cycling, and enhanced plant growth.
Role of Microorganisms in Soil Aggregates
- The correct order of microorganisms according to their role in soil aggregates is: fungi, bacteria, and archaea.
Factors Affecting Soil Microbial Diversity
- All factors except soil pH reduce soil microbial diversity, including land use change, climate change, pollution, and intensive agricultural practices.
Soil Type with Highest Microbial Diversity
- The highest microbial diversity is observed in tropical soil.
Symbiotic Nitrogen Fixation in Rice Production
- The symbiotic nitrogen fixation system beneficial in rice production is Rhizobium-legume symbiosis.
Role of Mycorrhizae in Plant Nutrition
- Mycorrhizae play a crucial role in plant nutrition by facilitating nutrient uptake, particularly phosphorus, and improving plant water relations.
Role of Bt Biopesticides in Pest Management
- Bt biopesticides are used in pest management to control insect pests by producing toxins that kill specific insect species.
Factors Influencing Microbial Organic Matter Decomposition
- Key factors influencing microbial organic matter decomposition in soil include temperature, moisture, oxygen availability, and nutrient availability.
Factors Influencing Exchangeable Cations in Soil
- Key factors influencing exchangeable cations in soil include pH, clay content, and organic matter content.
Limiting Nutrients in Soil
- Nitrogen (N) and phosphorus (P) are considered limiting nutrients in most soils because they are essential for plant growth, but their availability is often limited due to various factors, including soil type, nutrient cycling, and human activities.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on the advantages of soil microbial diversity with this quiz. Explore the role of various microorganisms in maintaining soil health and ecosystem functions.
