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Official Gazette
  • Language: en
  • Pages: 1220

Official Gazette

  • Type: Book
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  • Published: 1916
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  • Publisher: Unknown

None

Soil Management
  • Language: en
  • Pages: 432

Soil Management

Degradation of soils continues at a pace that will eventually create a local, regional, or even global crisis when diminished soil resources collide with increasing climate variation. It's not too late to restore our soils to a more productive state by rediscovering the value of soil management, building on our well-established and ever-expanding scientific understanding of soils. Soil management concepts have been in place since the cultivation of crops, but we need to rediscover the principles that are linked together in effective soil management. This book is unique because of its treatment of soil management based on principles—the physical, chemical, and biological processes and how together they form the foundation for soil management processes that range from tillage to nutrient management. Whether new to soil science or needing a concise reference, readers will benefit from this book's ability to integrate the science of soils with management issues and long-term conservation efforts.

Systems approaches for agricultural development
  • Language: en
  • Pages: 529

Systems approaches for agricultural development

The symposium In the next decades, agriculture will have to cope with an ever-increasing demand for food and raw basic materials on the one hand, and with the necessity to use resources without further degrading or exhausting the environment on the other hand, and all this within a dynamic framework of social and economic conditions. Intensification, sustainability, optimizing scarce resources, and climate change are among the key issues. Organized thinking about future farming requires forecasting of consequences of alternative ways to farm and to develop agriculture. The complexity of the problems calls for a systematic approach in which many disciplines are integrated. Systems thinking an...

Direct Seeded Flooded Rice in the Tropics
  • Language: en
  • Pages: 120

Direct Seeded Flooded Rice in the Tropics

Status and prospects of direct seeded flooded rice in tropical Asia; Concepts for a new plant type for direct seeded flooded tropical rice; Rationale for a low-tillering rice plant type with high-density grains; Direct seeding practices in India; Research status and prospects of direct seeded rice in Korea; Direct seeding practices for rice in Sri Lanka; Direct seeded rice in the temperate climates of Australia, Italy, and the United States; Germination and crop establishment of direct seeded rice in the south of France; Problems with continuous seeding of rice in Malaysia; Field leveling and direct seeding methods for rice in Portugal; Direct seeding methods for rice in Venezuela; Fertilizer management in broadcast-seeded rice in Egypt; Using GA3, seed treatment in direct seeded rice in southern USA; Research priorities for direct seeded rice in the tropics.

Organic Sulfur Compounds
  • Language: en
  • Pages: 637

Organic Sulfur Compounds

  • Type: Book
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  • Published: 2013-10-22
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  • Publisher: Elsevier

Organic Sulfur Compounds, Volume I deals with the chemistry of organic sulfur compounds such as disulfides, polysulfides, olefins, acetylenes, and chloroethylenes. Topics covered range from the inorganic acids of sulfur and the thermodynamics of organic sulfur compounds to some applications of isotopic sulfur and the stereochemistry of disulfides and polysulfides. The mechanism of oxidation of thiols to disulfides is also discussed. Comprised of 40 chapters, this volume first considers the precise structures of elemental sulfur in relation to the reactions of sulfur compounds, followed by an analysis of the inorganic acids of sulfur. The reader is then introduced to the thermodynamics of organic sulfur compounds and the bonding characteristics of the sulfur atom, as well as the infrared spectra of organosulfur compounds. Subsequent chapters focus on the ionic scission of the sulfur-sulfur bond; nucleophilic reactions of thiols with acetylene and chloroethylene; reactions of sulfur with olefins; and the chemistry of isothiocyanates. This book should prove useful to advanced students, practitioners, and research workers in the field of organic chemistry.

Methane Emissions from Major Rice Ecosystems in Asia
  • Language: en
  • Pages: 391

Methane Emissions from Major Rice Ecosystems in Asia

Rice production is affected by changing climate conditions and has the dual role of contributing to global warming through emissions of the greenhouse gas methane. Climate change has been recognized as a major threat to the global environment. Because of insufficient field data, rice-growing countries face a problem when trying to comply with the United Nations Framework Convention on Climate Change stipulations to compile a national inventory of emissions and to explore mitigation options. Given the expected doubling in rice production in Asia, the need to evaluate the interaction between climate change and rice production is critical to forming a sound basis for future directions of techno...

The Ecology of Tropical Food Crops
  • Language: en
  • Pages: 442

The Ecology of Tropical Food Crops

Retaining the successful formula of the first edition while placing additional emphasis on tropical environmental conservation, this new updated edition considers the response of tropical food crops to environmental factors such as climate, soil and farming system.

Philippines, Inc
  • Language: en
  • Pages: 174

Philippines, Inc

  • Type: Book
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  • Published: 1994
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  • Publisher: Unknown

None

Advances and Technology Development in Greenhouse Gases: Emission, Capture and Conversion
  • Language: en
  • Pages: 565

Advances and Technology Development in Greenhouse Gases: Emission, Capture and Conversion

  • Type: Book
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  • Published: 2024-06-26
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  • Publisher: Elsevier

Approx.730 pages - Introduces different sources of GHGs' emission - Describes different methods for controlling GHGs' emission - Includes geoengineering methods for decreasing GHGs' emission

Sustainability of Rice in the Global Food System
  • Language: en
  • Pages: 413