National Conservation Planning Manual PDF Download
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Author: United States. Soil Conservation Service
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 128
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Book Description
This manual defines, explains, and gives guidance for resource conservation planning and implementation.
Author: United States. Soil Conservation Service
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 128
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Book Description
This manual defines, explains, and gives guidance for resource conservation planning and implementation.
Author: United States. Soil Conservation Service
Publisher:
ISBN:
Category : Agricultural wastes
Languages : en
Pages : 494
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Book Description
Author:
Publisher:
ISBN:
Category : Soil animals
Languages : en
Pages : 56
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Book Description
Author: United States. Soil Conservation Service
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 80
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Book Description
Author: Danny Hunter
Publisher: Routledge
ISBN: 1136538232
Category : Nature
Languages : en
Pages : 442
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Book Description
Crop wild relatives (CWR) are plant species which are more or less closely related to crops. They are a vital resource by providing a pool of genetic variation that can be used in breeding new and better adapted varieties of crops that are resistant to stress, disease, drought and other factors. They will be increasingly important in allowing crops to adapt to the impacts of climate, thus safeguarding future agricultural production. Until recently, the main conservation strategy adopted for CWR has been ex situ - through the maintenance of samples as seed or vegetative material in various kinds of genebank or other facilities. Now the need to conserve CWR in their natural surroundings (in situ) is increasingly recognized. Recent research co-ordinated by Bioversity International has produced a wealth of information on good practices and lessons learned for their effective conservation. This book captures the important practical experiences of countries participating in this work and describes them for the wider conservation community. It includes case studies and examples from Armenia, Bolivia, Madagascar, Sri Lanka and Uzbekistan, which are important centres of diversity for crop wild relatives, and covers four geographical regions - the Caucasus, South America, Africa and the Asia-Pacific Region. It provides practical, relevant information and guidance for the scaling-up of actions targeting CWR conservation around the world.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 832
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Book Description
Author: Kenneth G. Renard
Publisher:
ISBN:
Category : Geophysical prediction
Languages : en
Pages : 412
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Book Description
Introduction 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; Calculation of EI from recording-raingage records; Estimating random roughness in the field; Parameter values for major agricultural crops and tillage operations.
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1228
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: United States Department of Agriculture
Publisher:
ISBN: 9781365086069
Category : Reference
Languages : en
Pages : 0
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Book Description
For many years farmers and ranchers have been building ponds for livestock water and for irrigation. By 1980 more than 2.1 million ponds had been built in the United States by land users on privately owned land. More will be needed in the future. The demand for water has increased tremendously in recent years, and ponds are one of the most reliable and economical sources of water. Ponds are now serving a variety of purposes, including water for livestock and for irrigation, fish production, field and orchard spraying, fire protection, energy conservation, wildlife habitat, recreation, erosion control, and landscape improvement. This handbook describes embankment and excavated ponds and outlines the requirements for building each. The information comes from the field experience and observation of land users, engineers, conservationists, and other specialists.
Author: Theodora Kimball Hubbard
Publisher:
ISBN:
Category : City planning
Languages : en
Pages : 336
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Book Description
