Among the soil fertility effects of biocalcification include an increase in the availability of calcium and magnesium but a decrease in the availability of phosphorus and zinc to the rice plant.
Asio VB. 1987. Biocalcification and siltation in paddy soils. MSc thesis, UP Los Banos/International Rice Research Institute, Laguna.
Asio VB and Badayos RB. 1998. Biological accumulation of calcium carbonate in some lowland rice soils in the Philippines. The Philippine Agriculturist 81: 176-181.
Moormann FR, Tinsley RL and Van Breemen N. 1976. Notes on a visit to multiple cropping project in Pangasinan. Mimeographed papers (unpublished), IRRI, Laguna, 4pp.