Lowland Rice Soils in Thailand

Lowland Rice Soils in Thailand PDF Author: Keizaburo Kawaguchi
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 292

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Book Description

Lowland Rice Soils in Thailand

Lowland Rice Soils in Thailand PDF Author: Keizaburo Kawaguchi
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 292

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Book Description


Rainfed Lowland Rice

Rainfed Lowland Rice PDF 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.

Rice

Rice PDF Author: Frank R. Moormann
Publisher:
ISBN:
Category : Plant-water relationships
Languages : en
Pages : 200

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Book Description
Chapter 1: Rice and its environment. Chapter 2: The geography of rice (oryza sativa L.). Chapter 3: The hidrology of rice-lands. Chapter 4: Classification of soils on which rice is Grown. Chapter 5: Soil-forming process in aquatic rice lands. Chapter 6: Soil and land properties that affect the growth of rice. Chapter 7: Elements for evaluation of land for rice growing.

White Gold: The Commercialisation of Rice Farming in the Lower Mekong Basin

White Gold: The Commercialisation of Rice Farming in the Lower Mekong Basin PDF Author: Rob Cramb
Publisher: Springer Nature
ISBN: 9811509980
Category : Business & Economics
Languages : en
Pages : 462

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Book Description
This open access book is about understanding the processes involved in the transformation of smallholder rice farming in the Lower Mekong Basin from a low-yielding subsistence activity to one producing the surpluses needed for national self-sufficiency and a high-value export industry. For centuries, farmers in the Basin have regarded rice as “white gold”, reflecting its centrality to their food security and well-being. In the past four decades, rice has also become a commercial crop of great importance to Mekong farmers, augmenting but not replacing its role in securing their subsistence. This book is based on collaborative research to (a) compare the current situation and trajectories of rice farmers within and between different regions of the Lower Mekong, (b) explore the value chains linking rice farmers with new technologies and input and output markets within and across national borders, and (c) understand the changing role of government policies in facilitating the on-going evolution of commercial rice farming. An introductory section places the research in geographical and historical context. Four major sections deal in turn with studies of rice farming, value chains, and policies in Northeast Thailand, Central Laos, Southeastern Cambodia, and the Mekong Delta. The final section examines the implications for rice policy in the region as a whole.

Lowland Rice Soils in Malaya

Lowland Rice Soils in Malaya PDF Author: Keizaburo Kawaguchi
Publisher:
ISBN:
Category : Rice
Languages : en
Pages : 172

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Book Description


Rice

Rice PDF Author: Achim Dobermann
Publisher: Int. Rice Res. Inst.
ISBN: 9810427425
Category : Nutrition
Languages : en
Pages : 203

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Book Description
Rice ecosystems; Nutrient management; Mineral deficiencies; Mineral toxicities; Tools and information.

Rainfed Lowland Rice Improvement

Rainfed Lowland Rice Improvement PDF Author: David J. Mackill
Publisher: Int. Rice Res. Inst.
ISBN: 971220071X
Category : Rainfed lowland rice
Languages : en
Pages : 258

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Book Description
What is rainfed lowland rice? The rainfed lowland ecosystem; The cultivars; Agronomic traits; Growth duration; Drought resistance; Submergence tolerance; Cold tolerance; Adverse soils telerance; Disease and insect resistance; Grain quality; Selecting parents and making crosses; Managing segregating generations; Evaluating advanced breeding lines; Releasing varieties.

Changes in Paddy Soil Fertility in Tropical Asia under Green Revolution

Changes in Paddy Soil Fertility in Tropical Asia under Green Revolution PDF Author: Junta Yanai
Publisher: Springer Nature
ISBN: 9811654255
Category : Nature
Languages : en
Pages : 250

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Book Description
This book investigates the effect of the Green Revolution (GR) on long-term changes in the fertility status of paddy soils in tropical Asia. While information on long-term changes in soil fertility status are rather limited due to difficulties in obtaining past data or samples for comparison, this investigation on temporal changes in soil fertility is possible by comparing fertility status in the 2010s, which the authors examined recently, with those from the 1960s, when GR was initiated, which was reported by Kawaguchi & Kyuma (1977). More than 220 paddy soils collected from Thailand, the Philippines, Malaysia, Bangladesh, and Indonesia were analyzed for their physicochemical properties as well as total and available fractions of plant macro- and micro- essential elements, and their temporal changes were examined in addition to their spatial variation in each country. The most significant change was a drastic increase of available phosphorus in soils, possibly due to fertilization after the GR. Changes in organic matter, pH, and other nutrients were relatively small. A considerable decrease in the content of some micronutrients was also observed. Long-term studies on soil fertility status in the past and present will be useful to establish soil/fertilizer management for sustainable rice production in the future. This book is an essential reading for soil scientists, agricultural scientists, environmental scientists, as well as policymakers and nongovernmental officers such as FAO.

Rice: Soil, Water, Land

Rice: Soil, Water, Land PDF Author: Frans R. Moormann
Publisher: Int. Rice Res. Inst.
ISBN: 971104031X
Category : Rice
Languages : en
Pages : 190

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Book Description


Progress in Rainfed Lowland Rice

Progress in Rainfed Lowland Rice PDF Author: Jay Maclean
Publisher: IRRI
ISBN: 9711041677
Category : Rainfed lowland rice
Languages : en
Pages : 454

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Book Description
International networks; Varietal improvement; Soil, crop, and water management; Pest management; Technology transfer.