Some examples of conservation expenses are:
- The treatment or movement of earth, such as leveling, grading, conditioning, terracing, contour furrowing, and the restoration of soil fertility
- The construction, control, and protection of diversion channels, drainage ditches, irrigation ditches, earthen dams, watercourses, outlets, and ponds
- The eradication of brush
- The planting of windbreaks
Your deduction can't exceed 25% of your gross income from farming (excluding certain asset gains). However, you can carry the excess forward to future tax years.