1. Allison, F. E., Demar, W.H., and Smith, J. H. 1963. Toxicity to garden peas of certain finely-ground woods and barks mixed with soil. Agron. J. 55:358–360.
2. An, M., Pratley, J. E., and Haig, T. 2000. Phytotoxicity of Vulpia residues: IV. Dynamics of allelochemicals during decomposition of Vulpia residues and their corresponding phytotoxicity. J. Chem. Ecol. 26:2603–2617.
3. Anonymous. 2000. Écorces: Un surplus de 1,2 million de tonnes. Info Forêt. 63(février):3.
4. Anonymous. 2005. The methods of testing legume inoculant and pre-inoculated seed products. Canadian Food Inspection Agency (CFIA). Fertilizer Act, Plant Product Division. pp. 12.
5. Blum, U. 1999. Designing laboratory plant debris–soil bioassays: Some reflections, pp. 17–23, in Inderjit, K. M. M. Dakshini, and C. L. Foy (eds.). Principles and Practices in Plant Ecology. Allelochemical Interactions. CRC Press, Boca Raton, FL.