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Description
Soil organic matter (SOM) is the primary determinant of soil functionality. Soil organic carbon (SOC) accounts for 50% of the SOM content, accompanied by nitrogen, phosphorus, and a range of macro and micro elements. As a dynamic component, SOM is a source of numerous ecosystem services critical to human well-being and nature conservancy. Important among these goods and services generated by SOM include moderation of climate as a source or sink of atmospheric CO2 and other greenhouse gases, storage and purification of water, a source of energy and habitat for biota (macro, meso, and micro-organisms), a medium for plant growth, cycling of elements (N, P, S, etc.), and generation of net primary productivity (NPP). The quality and quantity of NPP has direct impacts on the food and nutritional security of the growing and increasingly affluent human population.
Soils of agroecosystems are depleted of their SOC reserves in comparison with those of natural ecosystems. The magnitude of depletion depends on land use and the type and severity of degradation. Soils prone to accelerated erosion can be strongly depleted of their SOC reserves, especially those in the surface layer. Therefore, conservation through restorative land use and adoption of recommended management practices to create a positive soil-ecosystem carbon budget can increase carbon stock and soil health.
This volume of Advances in Soil Sciences aims to accomplish the following:
- Present impacts of land use and soil management on SOC dynamics
- Discuss effects of SOC levels on agronomic productivity and use efficiency of inputs
- Detail potential of soil management on the rate and cumulative amount of carbon sequestration in relation to land use and soil/crop management
- Deliberate the cause-effect relationship between SOC content and provisioning of some ecosystem services
- Relate soil organic carbon stock to soil properties and processes
- Establish the relationship between soil organic carbon stock with land and climate
- Identify controls of making soil organic carbon stock as a source or sink of CO2
- Connect soil organic carbon and carbon sequestration for climate mitigation and adaptation
Table of Contents
1. Enhancing Fertilizer Use Efficiency by Managing Soil Health: Emerging Trends
Amit Roy
2. Conservation Agriculture: Carbon and Conservation Centered Foundation for Sustainable Production
Don C. Reicosky and Amir Kassam
3. Relating Soil Organic Carbon Fractions to Crop Yield and Quality with Cover Crops
Upendra M. Sainju, Rajan Ghimire, and Jun Wang
4. Global Spread of Conservation Agriculture for Enhancing Soil Organic Matter, Soil Health, Productivity and Ecosystem Services
Amir Kassam, Emilio Gonzalez-Sanchez, Rosa M. Carbonell-Bojollo et al.
5. The effects of soil organic matter and organic resource management on maize productivity and fertilizer use efficiencies in Africa
Shamie Zingore, Samuel Njoroge, Stephen Ichami et al.
6. Cover cropping for Managing Soil Organic Carbon Content
Amitava Chatterjee
7. Fertilizer Use in the North China Plains for Improving Soil Organic Matter Content and Crop Yield
Xiangbin Kong, Xiaobing Sun, Ming Lei
8. Managing Rainfed Rice Farms for Improving Soil Health and Advancing Food Security: A Meta-analysis
Abhishek Jangir, Gaurav Mishra, G.W. Sileshi et al.
9. Soil organic matter: Bioavailability and bio-fortification of essential micronutrients
Sunil Mandi, Somanath Nayak, Yashbir Singh Shivay et al.
10. Raising Soil Organic Matter to Improve Productivity and Nutritional Quality of Food Crops in India
R.S. Antil, R.P. Narwal, and B.R. Singh
11. Role of Legumes in Managing Soil Organic Matter and Improving Crop Yield
Ahmad Latif Virk, Gulab Singh Yadav, Xin Zhao et al.
12. Managing Soil Organic Carbon in Crop lands of the Eastern Himalayas, India
Anup Das, J. Layek, G.S. Yadav et al.
13. Soil Organic Carbon Restoration in India: Programs, Policies, and Thrust Areas
Ram Swaroop Meena, Sandeep Kumar, Seema Sheoran et al.
14. No-Tillage Farming in Maghreb Region: Enhancing agricultural productivity and sequestrating carbon in soils
Ahmad Latif Virk, Gulab Singh Yadav, Xin Zhao et al.
15. No-till farming for managing soil organic matter in semi-arid, temperate regions: synergies, tradeoffs, and knowledge gaps
Qiuping Peng and David R. Huggins
