WASHINGTON, Aug 3 (Reuters) - The Trump administration's plan to relocate thousands of Department of Agriculture employees from the U.S. capital could risk research, trade and aid programs as staff decline to relocate, according to union surveys and interviews with 10 federal employees. ADVERTISEMENTPresident Donald Trump last year undertook a sweeping effort to restructure the federal government, leading tens of thousands of employees to leave their jobs, including more than 15,000 USDA staff. Programs at riskOn July 17, some FAS staff were sent notices to relocate to Kansas City, according to three agency employees. The National Treasury Employees Union Chapter 226, which represents some FNA employees, found in a June survey that 81% of staff would not relocate. During the first Trump administration, USDA permanently relocated hundreds of positions from Washington to Kansas City, resulting in significant staff attrition.