As used in sections 252.300 to 252.333, the following terms shall mean:

(1) “Alley cropping”, planting rows of trees at wide spacings and cropping the alleyways;

(2) “Conservation reserve program”, the conservation reserve program authorized by the Federal Food Security Act of 1985, as amended, (Title XII, P.L. 99-198), or its successor program;

(3) “Department”, the Missouri department of conservation;

(4) “Director”, the director of the Missouri department of conservation;

(5) “Eligible land”, agricultural land which is susceptible to soil erosion that has a recent cropping history, marginal pastureland, land surrounding livestock enclosures and riparian zones;

(6) “Eligible practices”, single or multiple rows of trees, alone or combined with other plants such as grass, conventional row crops or horticulture crops, and animals located at intervals of distance within or around fields, around livestock enclosures, and along streams and rivers, specifically designed to provide production and environmental enhancement benefits in accordance with the practices identified in section 252.303;

(7) “Enhancement phase”, the period of time, not to exceed ten years, immediately following the establishment phase, during which payments are made by the state of Missouri to landowners who use their eligible land for agroforestry purposes as required by the department;

(8) “Establishment phase”, the period of time during which eligible land is being prepared for planting trees and developing agroforestry practices, as determined by the director of the department;

(9) “Forested-riparian buffers”, a combination of trees and other vegetation established parallel to streams and rivers;

(10) “Silvopasture”, combining trees with forage and livestock;

(11) “Windbreaks”, planting single or multiple rows of trees for protection and enhanced production of crops and animals.