Biology and Management of the Floodwater Ecosystem in Rice Fields PDF Download
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Author: Pierre A. Roger
Publisher: Int. Rice Res. Inst.
ISBN: 971220068X
Category : Flood-Rice field
Languages : en
Pages : 269
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Book Description
Author: Pierre A. Roger
Publisher: Int. Rice Res. Inst.
ISBN: 971220068X
Category : Flood-Rice field
Languages : en
Pages : 269
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Book Description
Author: Prabhu L. Pingali
Publisher: Int. Rice Res. Inst.
ISBN: 0792395212
Category : Business & Economics
Languages : en
Pages : 678
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Book Description
The book covers the various aspects of the use of pesticides, their behavior, degradation, and impacts in wetland ricefields, and presents the results of surveys conducted in the Philippines and Thailand. It includes both bibliographic reviews and selected aspects of the experimental results of a research project on pesticide impacts in wetland ricefields. The first phase of the `Pesticide Impact' project was developed in the Philippines from 1989 to 1991. It was a multidisciplinary/collaborative approach involving scientists from IRRI, NRI (England), ORSTOM (France), UPLB (Philippines) who studied the effects of pesticides on the environment and on farmers' health, and the economical aspects of their use.
Author: Ashok K. Chauhan
Publisher: I. K. International Pvt Ltd
ISBN: 8188237515
Category : Medical
Languages : en
Pages : 446
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Book Description
Microbes: Health and Environment highlights the interrelatedness of microbes with life and the environment. It stresses that microbes have a beneficial impact on human life and environment. It covers the various aspects of microbes such as molecular biology, interrelationships, microbial intervention in our environment, microbial biotechnology, genetics, their immunology, biochemistry, economic importance, interaction with medicinal plants, human beings, industrial relevance, influence on our health and so on. It is an asset for enterprising students, teachers, and scientists.
Author: K. E. Giller
Publisher: CABI
ISBN: 1845933044
Category : Science
Languages : en
Pages : 443
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Book Description
Nitrogen fixation by leguminous plants is especially important when farmers are trying to minimise fertilizer use for cost or environmental reasons. This second edition of the highly successful book, first published in 1991, contains thoroughly updated and revised material on the theory and practice of nitrogen fixation in tropical cropping systems.
Author: J. M. Schiller
Publisher: Int. Rice Res. Inst.
ISBN: 9712202119
Category : Rice
Languages : en
Pages : 457
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Book Description
Author: Guy Kirk
Publisher: John Wiley & Sons
ISBN: 0470863021
Category : Science
Languages : en
Pages : 304
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Book Description
Submerged soils and the wetlands they support are of huge practical importance: in global element cycles, as centres of biodiversity, in global food production. They are also uniquely interesting scientifically because of their peculiar biogeochemistry and the adaptations of plants and microbes to it. This book describes the physical, chemical and biological processes operating in submerged soils and governing their properties. It describes the transport processes controlling the fluxes of gases and solutes through the soil; the interchange of solutes between solid, liquid and gas phases; reduction and oxidation processes; biological processes in the soil and overlying water; and processes in the roots and rhizospheres of wetland plants. The dynamics of nutrients, toxins, pollutants and trace gases are then discussed in terms of these processes and in relation to wetland productivity and global element cycles. Written by a renowned expert in the field, this work will be invaluable to earth, environmental and agricultural scientists concerned with natural or man-made wetlands, and to advanced undergraduate and graduate studen ts of these topics.
Author: Pedro A. Sanchez
Publisher: Cambridge University Press
ISBN: 1316812073
Category : Technology & Engineering
Languages : en
Pages : 685
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Book Description
The long-awaited second edition of this classic textbook expands on the first edition to include advances made in the last four decades, bringing the topic completely up to date. The book addresses critical issues such as whether humanity can feed itself, and whether it can do so in environmentally sound and sustainable ways. Written from agronomic, environmental, and ecological standpoints, the textbook employs a multidisciplinary approach, including policymaking and plant genetic improvements, as well as ecosystem services, climate change, biodiversity, sustainability and resilience. New chapters in this second edition focus on organic carbon in soil, soil biology, soils in relation to livestock production and forestry, and agroforestry. The new edition will again be the go-to textbook for courses on tropical soils, and a reference textbook for soil and agricultural scientists and development professionals working in the tropics.
Author: Debangshu Narayan Das, Santoshkumar Abujam, Achom Darshan Singh
Publisher: Notion Press
ISBN: 1645468437
Category : Nature
Languages : en
Pages : 342
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Book Description
This book contains a total of 25 unpublished research articles. In this edition, we have kept parity with each other’s outcomes, concisely in a unique style to depict the trends of research in the mountain fishery sector. We have also appended a list of contributors at the end of the book. The strategies observed in fisheries and aquaculture developments in the mountain waters clearly reveal that the on-going dimensions are nothing but broad ecosystem-based approached where both subsistence and commercial expansion of the systems could be possible. The research trend also directs that several fishery components, like ornamental fisheries, recreational fisheries, integrated fish farming, freshwater crab fishery, shellfish aquaculture, etc., exist. They may also be strengthened in mountain waters to improve the economic status of the mountain regions. Thus for exploiting huge mountain aqua-resources, Arunachal Pradesh targets the ecosystem-based approach of raising native mahseers, like Tor tor, Tor putitora, Neolissochilus hexagonolepis, and exotic species of trout in its mountain waters as a preliminary endevour.
Author: Jagdish Kumar Ladha
Publisher: IRRI
ISBN: 9712201171
Category : Rainfed lowland rice
Languages : en
Pages : 312
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Book Description
Introduction and background; Characterization of environments; Nutrient balances; Managing organic matter; Nutrient x water interactions; Soil physical constraints and nutrient availability; Germplasm for nutrient efficiency.
Author: Robert M. Goodman
Publisher: Routledge
ISBN: 1000031586
Category : Science
Languages : en
Pages : 1365
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Book Description
Encyclopedia of Plant and Crop Science is the first-ever single-source reference work to inclusively cover classic and modern studies in plant biology in conjunction with research, applications, and innovations in crop science and agriculture. From the fundamentals of plant growth and reproduction to developments in agronomy and agricultural science, the encyclopedia's authoritative content nurtures communication between these academically distinct yet intrinsically related fields-offering a spread of clear, descriptive, and concise entries to optimally serve scientists, agriculturalists, policy makers, students, and the general public.
