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There are 113 records start with N |
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1. |
Naiad |
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The aquatic nymph of certain insects. |
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Naked stratification |
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Pre-chilling of seeds without the use of a moisture-holding medium. |
3. |
Narrows |
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An area in the form of an isthmus. |
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National foundation seed project |
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A project administered by the USDA Agricultural Research Service to connect for and provide foundation seed of certain forage varieties, especially where seed of a variety is produced outside its area of adaptation. |
5. |
National pollutant discharge elimination system |
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A broad regulatory program that seeks to control water pollution by regulating point (sewage discharge) and non-point (runoff discharge) into streams, lakes and bays of the United States. The federal program is implemented at the state and local level via water pollution control plans and a permit system for sewage discharge, as well as runoff from construction sites, urban areas and farmland. |
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National seed storage laboratory |
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The laboratory at Ft. Collins, Colorado which is operated by the USDA as a permanent repository for storing germplasm of all kinds of plants under controlled temperature and relative humidity conditions. |
7. |
National seed testing standardization laboratory |
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The USDA seed testing laboratory located at Beltsville, Md. which has overall responsibilities of coordinating seed testing activities of the Seed Branch. USDA Grain Division. This laboratory also has responsibility for helping in standardisation of seed testing activities and procedures throughout th United States. |
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Native plant |
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A plant that evolved naturally within a certain locate. |
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Natric horizon |
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llluvial horizon of silicate clay accumulation, over 15 percent exchangeable sodium and columnar or prismatic structure. |
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Natural farming |
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A system of agriculture devised by Masanobu Fukuoka that seeks to follow nature by minimising human interference: no mechanical cultivation, no synthetic fertilisers or prepared compost, no weeding by tillage or herbicides, no dependence on chemicals. |
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