Conservation Security Act of 1999

Conservation Security Act of 1999 - Amends the Food Security Act of 1985 to direct the Secretary of Agriculture to establish a conservation security program of three-to five-year (renewable) rental contracts to assist farm and ranch owners and operators promote conservation of soil, water, and related resources such as wildlife and wetlands.

Requires a participant to submit a resource security plan or a livestock nutrient management plan. (Limits the size of eligible livestock operations.) Sets forth three classes of resource security plan conservation practices, and bases rental payments upon classes implemented by the participant. Bases livestock nutrient management plan payments on the price and number of livestock covered by the contract.