Agrios, G.N. 1969. Plant Pathology. Academic Press, New York, 629 pp.
Bell, D.T., andKoeppe, D.E. 1972. Noncompetitive effects of giant foxtail on the growth of corn.Agron. J. 64:321–325.
Egli, D.B., Pendleton, J.W., andPeters, D.B. 1970. Phytosynthetic rate of three soybean communities as related to carbon dioxide levels and solar radiation.Agron. J. 62:411–414.
Elakkad, M.A., andBehrens, R. 1978. Canada thistle (Cirsium arvense Scop.) competition with corn and soybeans for water, nutrients, and light.Weed Sci. Soc. Am. Abstr. p. 65.
Elliott, L.F., McCalla, T.M., andWaiss, A., Jr. 1978. Phytotoxicity associated with residue management, pp. 131–146,in W.R. Oschwald (ed.). Crop Residue Management Systems, ASA Special Publication Number 31, American Society of Agronomy, Madison, Wisconsin.
Halligan, J.P. 1976. Toxicity ofArtemisia californica to four associated herb species.Am. Midl. Nat. 95:406–421.
Harper, J.L. 1977. Population Biology of Plants. Academic Press, New York, 892 pp.
Harper, J.R., andBalke, N.E. 1981. Characterization of the inhibition of K+ absorption in oat roots by salicylic acid.Plant Physiol 68:1349–1353.
Johnston, T.J., Pendleton, J.W., Peters, D.B., andHicks, D.R. 1969. Influence of supplemental light on apparent photosynthesis, yield and yield components of soybeans (Glycinemax L.).Crop Sci. 9:577–581.
Kaminsky, R. 1981. The microbiol origin of the allelopathic potential ofAdenostoma fasciculatum H & A.Ecol. Monogr. 51(3):365–382.
Kimber, R.W.L. 1973. Phytotoxicity from plant residues. III. The relative effect on toxins and nitrogen immobilization on the germination and growth of wheat.Plant Soil 38:543–555.
Lockerman, R.H., andPutnam, A.R. 1981a. Growth inhibitors in cucumber plants and seeds.J. Am. Soc. Hortic. Sci. 106(4):418–422.
Lockerman, R.H., andPutnam, A.R. 1981b. Mechanisms for differential interference among cucumber (Cucumissativus L.) accessions.Bot. Gaz. 142(3):427–430.
Mac Daniels, L.H., andPinnow, D.L. 1976. Walnut toxicity, an unsolved problem.North Nut Grow Assoc. Proc. 77:114–122.
McCalla, T.M., andNorstadt, F.A. 1974. Toxicity problems in mulch tillage.Agric. Environ. 1:153–174.
Muller, C.H. 1969. Allelopathy as a factor in ecological process.Vegetatio 18:348–357.
Oliver, L.R., andSchreiber, M.M. 1974. Competition for CO2 in a heteroculture.Weed Sci. 22(2):125–130.
Platt, J.R. 1964. Strong inference.Science. 146:347–353.
Putnam, A.R., andDuke, W.B. 1974. Biological suppression of weeds: Evidence for allelopathy in accessions of cucumber.Science 185:370–372.
Rice, E.L. 1974. Allelopathy. Academic Press, New York, 353 pp.
Stowe, L.G. 1977. Allelopathy and its influence on the distribution of plants in an Illinois old field. PhD thesis, University of Chicago, 89 pp.
Tang, C.S., andYoung, C.C. 1982. Collection and identification of allelopathic compounds from the undisturbed root system of bigalta limpograss (Hemarthria altissima).Plant Physiol. 69:155–160.
Wallace, T. 1961. The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms, 2nd ed. enlarged. Chemical Publishing Co., New York.
Whittaker, R.H. 1970. The biochemical ecology of higher plants, pp. 43–70,in E. Sondheimer and J.B. Simeone, (eds.). Chemical Ecology. Academic Press, New York.
Zimdahl, R.L. 1980. Weed-Crop Competition. A Review. International Plant Protection Center, Corvallis, Oregon, 195 pp.