RESOURCES Technical Guidelines Certification Documents Glossary Food Help on the Way for Arkansas Households Hit by Tornadoes and Severe Storms USDA, SBA, and FDIC Partner to Foster Economic Growth for Small Businesses, Farmers, and Ranchers in Southern States USDA Awards Innovations in Climate-Smart Agriculture, Soil Health and Nutrient Management Biden-Harris Administration Invests Nearly $34M to Strengthen Wood Products Economy, Forest Sector Jobs, Sustainable Forest Management USDA Asks Americans to Protect Plants by Looking for Invasive Pests in April USDA Appoints New Members to Food Safety Advisory Committee Biden-Harris Administration Invests $40 Million to Bring High-Speed Internet to People in Rural New Mexico Biden-Harris Administration Announces Availability of $1 Billion to Help Farmers, Ranchers and Rural Businesses Invest in Renewable Energy Systems and Energy-Efficiency Improvements Urban Producers, Public Invited to Attend April Meeting of Federal Advisory Committee for Urban Agriculture and Innovative Production USDA Seeks Nominees to Advisory Committee on Minority Farmers Glossary Term Definition Accession A sample of a plant variety collected from a specific location Active Growth Period The period of time that a particular plant has its most active growth or the main time of growth for a plant. Aggressive Invader A highly competitive species that can take over if the environmental conditions are right. Agronomic Of or related to the science of soil management and the production of crops. Alkaline Soil Any soil with a pH above 7 on a scale of 1 to 14; the higher the number, the more alkaline the soil. Alkaline/Alkali Tolerant The ability to withstand alkaline soils. Alkalinity The condition of having a pH greater than 7 on a scale of 1 to 14; the higher the number, the greater the alkalinity Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope Alluvial Slopes Rock, soil and other sediments deposited from erosion that creates a slope