Alford, A. R., Drummond, F. A., Gallandt, E. R., et al. 1996. The Ecology, Economics, and Management of Potato Cropping Systems: A Report of the First Four Years of the Maine Potato Ecosystem Project. Orono, ME: Maine Agricultural and Forest Experiment Station Bull. 843. 204 p.
Alkamper, J. A.
1976. Influence of weed infestation on effect of fertilizer dressings. Pflanzenschutz-Nachrichten
Ball, D. A. and Miller, S. D.
1989. A comparison of techniques for estimation of arable soil seedbanks and their relationship to weed flora. Weed Res.
Bellinder, R. R., Wallace, R. W., and Wilkins, E. D.
1996. Reduced rates of herbicides following hilling controlled weeds in conventional and reduced tillage potato Solanum tuberosum production. Weed Technol.
Chapin, F. S. III. 1991. Effects of multiple environmental stresses on nutrient availability and use. Pages 67–88
Mooney, H. A., Winner, W. E., and Pell, E. J., eds. Response of Plants to Multiple Stresses. New York: Academic Press.
Clements, D. R., Weise, S. F., and Swanton, C. J.
1994. Integrated weed management and weed species diversity. Phytoprotection
DiTomaso, J. M.
1995. Approaches for improving crop competitiveness through manipulation of fertilization strategies. Weed Sci.
Drinkwater, L. E., Letourneau, D. K., Workneh, F., van Bruggen, A.H.C., and Shennan, C.
1995. Fundamental differences between conventional and organic tomato agroecosystems in California. Ecol. Appl.
Dwyer, J. D., Johnson, S. B., Morrow, L. S., and Plissey, E. S.
1994. Maine Potato Pest Control Guide. Orono, Maine: Maine Cooperative Extension Bull. 2002. 16 p.
1992. Prediction of weed seedling densities from buried seed reserves. Weed Res.
Henson, I. E.
1970. The effects of light, potassium nitrate and temperature on the germination of Chenopodium album L. Weed Res.
Huber, D. M. and Watson, R. D.
1974. Nitrogen form and plant disease. Annu. Rev. Phytopathol.
Karssen, C. M. and Hilhorst, H.W.M.
1992. Effect of chemical environment on seed germination. Pages 327–348
Fermer, M., ed. Seeds, The Ecology of Regeneration in Plant Communities. Wallingford, Great Britain: CAB International.
[MDAFRR] Maine Department of Agriculture, Food, and Rural Resources. 1991. Maine Agricultural Statistics. Augusta, ME: MDAFRR. 54 p.
Malone, C. R.
1967. A rapid method for enumeration of viable seeds in soil. Weeds
Marra, M. C.
1996. Introduction. Pages 1–7
Alford, A. R., Drummond, E A., Gallandt, E. R., et al. The Ecology, Economics, and Management of Potato Cropping Systems: A Report of the First Four Years of the Maine Potato Ecosystem Project. Orono, ME: Maine Agricultural and Forest Experiment Station Bull. 843.
Mattson, W. J.
1980. Herbivory in relation to plant nitrogen content. Annu. Rev. Ecol. Syst.
Patriquin, D. G., Baines, D., and Abboud, A.
1995. Soil fertility effects on pests and diseases. Pages 1–11
Cook, H. F. and Lee, H. C., eds. Soil Management in Sustainable Agriculture. Wye, Great Britain: Wye College Press.
Phelan, P. L., Mason, J. R., and Stinner, B. R.
1995. Soil-fertility management and host preference by European corn borer, Ostrinia nubilalis Hübner, on Zea mays L.: a comparison of organic and conventional chemical farming. Agric. Ecosyst. Environ.
Pielou, E. C.
1975. Ecological Diversity. New York: John Wiley and Sons. 165 p.
Porter, G. A. and McBurnie, J. C.
1996. Crop and soil research. Pages 8–62
Alford, A. R., Drummond, F. A., Gallandt, E. R., et al. The Ecology, Economics, and Management of Potato Cropping Systems: A Report of the First Four Years of the Maine Potato Ecosystem Project. Orono, ME: Maine Agricultural and Forest Experiment Station Bull. 843.
Seibert, A. C. and Pearce, R. B.
1993. Growth analysis of weed and crop species with reference to seed weight. Weed Sci.
Simpson, R. L., Leck, M. A., and Parker, V. T.
1989. Seed banks: general concepts and methodological issues. Pages 3–8
Leck, M. A., Parker, V. T., and Simpson, R. L., eds. Ecology of Soil Seed Banks. San Diego: Academic Press.
[USDA] U.S. Department of Agriculture. 1989. Agricultural Resources Inputs: Situation and Outlook Report. AR-15, August 1989. Washington, DC: Economic Research Service, U.S. Department of Agriculture. p. 23.
van Bruggen, A.H.C.
1995. Plant disease severity in high-input compared to reduced-input and organic farming systems. Plant Dis.
Wallace, R. W. and Bellinder, R. R.
1990. Low-rate applications of herbicides in conventional and reduced tillage potatoes Solanum tuberosum
. Weed Technol.
Westra, J. V. and Boyle, K. J.
1991. An Economic Analysis of Crops Grown in Rotation with Potatoes in Aroostook County, Maine. Orono, ME: Maine Agricultural and Forest Experiment Station Bull. 834. 39 p.
Westra, J. V., Boyle, K. J., and Porter, G. A.
1995. Net revenues of potatoes rotated with other crops. Am. Pot. J.
Williams, J. T. and Harper, J. L.
1965. Seed polymorphism and germination. I. The influence of nitrates and low temperatures on the germination of Chenopodium album. Weed Res.
Zadoks, J. C., Chang, T. T., and Konzak, C. F.
1974. A decimal code for the growth stages of cereals. Weed Res.