Distribution Difficult, esp. on larger scale Easy Consistent, high to very Mineral content Variable, low high Organic matter Present Absent Effect on soil structure Improvement No Direct food for fish Yes No Yes, with oxygen Decomposition process No consumption Price Low to medium High to very high Cost per nutrient unit Higher Lower Possibly in neighborhood or Commercial suppliers only; Availability even on own farm sometimes imported Possible by raising animals Direct pond fertilization Not feasible on or near the pond
Distribution Difficult, esp. on larger scale Easy Mineral content Variable, low Consistent, high to very high Organic matter Present Absent Effect on soil structure Improvement No Direct food for fish Yes No Decomposition process Yes, with oxygen consumption No Price Low to medium High to very high Cost per nutrient unit Higher Lower Availability Possibly in neighborhood or even on own farm Commercial suppliers only; sometimes imported Direct pond fertilization Possible by raising animals on or near the pond Not feasible
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