All of this is covered together with past achievements, current breeding objectives and utilization of genetic resources. Found inside – Page 277Source : Sri Lanka Ministry of Agriculture , Food and Co - operatives , 1989/90 Implementation Programme . new HYVs levelled off at ... has resulted in a clear recognition of stable " environments , which have favourable soil characteristics and good water control ( where ... classes ( 3 , 3.5 , 4 and 4.5 months ) were cultivated in the Maha and Yala seasons predominantly in the dry and intermediate zones . Found insideThe State of the World's Biodiversity for Food and Agriculture presents the first global assessment of biodiversity for food and agriculture worldwide. Found inside – Page 116Sri. Lanka. J.E. Munasinghe Deputy Conservator of Forest, ... In the Wet and Intermediate Zones, soils are prevalently red-yellow podzolic and are shallow ... Found insideIntroduction and history; Rainfall-runoff erosivity factor (R); Soil erodibility factor (K); Slope length and steepness factors (LS); Cover-management factor (C); Support practice factor (P); RUSLE user guide; Coversion to SI metric system; ... Rice ecosystems; Nutrient management; Mineral deficiencies; Mineral toxicities; Tools and information. Found inside – Page 84Rainfall Zones and Regions The regionality in the rainfall distribution in Sri Lanka has traditionally been generalized in ... been subdivided into smaller zones or regions according to altitude , degree of dryness or transitional characteristics ( Fig . ... They should rather be understood as being separated by an ' Intermediate Zone ' of transition skirting the central hill ... on the 75 per cent rainfall probability values supplemented by other factors such as soil and terrain characteristics ( Fig . Found inside – Page 210A major known source of ground water occurs in the northwest of the dry zone in sedementary limestone basins extending along ... The soils of Sri Lanka have been surveyed on a reconnaissance level and mapped . Nine of the 10 soil orders ( 7th approximation a comprehensive system of soil classification ) are found within the country . ... on rainfall , vegetation , soils and present land use , three main agro - climatic zones , the wet , intermediate and dry zones have been recognised . Sri Lanka, an island in the Indian Ocean, has lagoons along 1,338 km of its coastline. This is the first time that a global, baseline status report on land and water resources has been made. Found inside – Page 5The growing of food crops, especially leguminous varieties, will improve the organic composition in the soil and help conserve soil moisture. ... According to preliminary study of coconut lands in the Colombo District by the Agrarian Research Institute of Sri Lanka it is found that ... At least the 518,480 acres of pure coconut stand in the wet and intermediate zones, as determined by the aerial survey of 1956 ... All contributory book chapters have been peer reviewed and revised accordingly. This book series is an indispensable reference for scientists, researchers, teachers, students, policy makers and planters. Found inside – Page 446The breeder traveled extensively with Sri Lankan scientists to monitor field performance of various varieties . ... rice lands of Sri Lanka's Wet and Intermediate Zones into land systems and land elements having significance for rice production . Found inside – Page iThis is reflected in the title given to this book, Tea: Cultivation to consumption, and its treatment of the subject. The book is logically planned - starting with the plant itself and finishing with the traditional'cuppa'. Found insideThis report reviews the status of climate change (CC) research/activities in Sri Lanka in terms of observed and projected climatic changes, their impacts on water resources and agriculture, CC mitigation and adaptation, and research needs. This publication, prepared jointly by the WHO, the World Meteorological Organization and the United Nations Environment Programme, considers the public health challenges arising from global climate change and options for policy responses, ... 'The Irrigation Sector' discusses directions for future growth, the framework for reform, and the reform agenda. This book has been developed from a workshop on Technological change in agriculture and tropical deforestation organised by the Center for International Forestry Research and held in Costa Rica in March, 1999. This publication capitalizes on the experience of scientists from the North Africa and Near East countries, in collaboration with experts from around the world, specialized in the different aspects of greenhouse crop production. Found inside – Page 505some of the evergreen species present a tendency towards semi - deciduousness . The second , or intermediate , storey comprises evergreen forms typical of Series Dl of the lowland Wet Zone . ... above , which they are replaced by the dry patanas of Zone E . The soils associated with Series C are predominantly Reddish ... ​PRELIMINARY The Handbook of Climate Change Adaptation addresses the scientific, social, political and cultural aspects of climate change in an integrated and coherent way. Found inside – Page 103The island is divided into a dry and a wet zone by climatologists using the ... or are 3.2 Soils Fifteen great soil groups have been identified in Sri Lanka ... Found inside – Page 15dry chilli, T 48 and Bhadra maize, MI 1, MI 2, Type 51, MI 4, MI 5, and Selection 77 mungbean, Arlington and MI 35 ... Further investigations have identified two introductions, Upas 120 and T 21, of intermediate height, which can be cultivated successfully with minimal pest control. ... 17 farmer families were settled in 2 ha allotments each of typical dry zone upland. ... the maintenance of Soil fertility and weed control continue to loom large specially in the recent context of widespread ... Found inside – Page 91Coconut plantations are confined to low lands in wet and intermediate zones and rubber is primarily in the wet zone. In Sri Lanka, tea plants are grown as a ... Miombo woodlands and their use: overview and key issues. The ecology of miombo woodlands. Population biology of miombo tree. Miombo woodlands in the wider context: macro-economic and inter-sectoral influences. Masterpiece offers a detailed discussion of the nature of the earth's terrestrial environment, and a method of subdividing and studying it. 1941 edition. This book is dedicated to furthering our understanding of the drought problem in Europe and to discussing policy and management options to mitigate its impacts. This book presents a comprehensive and up-to-date overview of the soils of Sri Lanka. Found inside – Page 8CRITERIA FOR THE DEMARCATION OF PHYSIOGRAPHIC PROVINCES as are A similar classification was proposed by Verstappen ... The Intermediate Planation Surface ( 100 - 500 m ) proposed by Verstappen has two levels , which have a gentle seaward slope . ... two subunits — one with inselbergs and thin soils ( Dry Zone ) and the other with fewer inselbergs and deeper soil cover ( Wet Zone ) . The core of this study involved an examination and analysis of certain key features of the traditional small tank cascade systems: a) the location and design of the systems in the past b) the hydro-system which considers the overall ... Found inside – Page 86Soils N District boundaries Soil type g There are 13 Great Soil Groups in the country , and 9 soil phases are recognized across the country ( Fig . 7.4 ) . Reddish Brown Earth ( RBE ) soil ( Chromic Luvisols ) is the most widespread Great Soil Group in Sri Lanka and occupies the largest area ... Most of the legume - growing areas are located in the Dry Zone and Intermediate Zone lowland situations ( DL ... The book summarizes what is known about the soils in Greece in a concise and highly reader-friendly way. This book presents a comprehensive and up-to-date overview on soils of Greece. ICAR publication Found inside – Page 234Studies of a similar nature are not well documented from the humid tropics of Asia such as that of Sri Lanka, where maize is the most important highland cereal crop. ... The site is located at 8°N, 81°K. at 421 meters alx>ve mean sea level, in the intermediate zone of the country. ... The inclusion of organic matter in the form of green manures after the first season helps improve soil characteristics (Zebarth et ... Found inside – Page 676Climate and soils Sri Lanka lies between north latitude 6° and 8° and has a ... country is divided into three main agroclimatic zones: dry; intermediate; ... This book presents a comprehensive and up-to-date overview of the soils of Sri Lanka. Found inside – Page 62In general those plots in the wet and intermediate zones where the soils are acid are very promising , even on the most degraded sites formerly ... On the other hand attempts to plant pines on the much drier northern plain of Sri Lanka have been much less successful . ... The three varieties of P . caribaea provide a range of trees suitable for all sites from sea level to 1 , 500 m altitude in these latitudes . Found insideExactly 35 years after the first Colloquium was held, the Eleventh International Plant Nutrition Colloquium took place from 30 July to 4 August 1989 in Wageningen, The Netherlands. Found inside – Page 3( 3 ) Other than in the narrow lime stone belt extending by the sea from the North West to the North of Sri Lanka , the ... ( 4 ) The undulating - nature of the land , fluctuation and seasonality of water supply and the wide variation of soil characteristics in micro catchments resulting in the ... well sweep method , while irrigation from small anicuts is characteristic of the wet and intermediate zones , particularly in ... ... rice lands of Sri Lanka, tea plants are grown as a, teachers,,! 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