Agriculture Reference
In-Depth Information
techniques to reduce herbicide inputs in cotton. Applied Engineering in Agriculture ,
11, 349-53.
Parks, R.J., Curran,W.S., Roth, G.W., Hartwig, N. L., & Calvin, D.D.(1995).Common
lambsquarters ( Chenopodium album ) control in corn ( Zea mays ) with postemergence
herbicides and cultivation. Weed Technology ,9, 728-35.
Pawlowski, F., & Malicki, L.(1968).Effect of different methods of ploughing on vertical
distribution of weed seeds in soil formed of loess. Annales Universitatis Mariae
Curie-Sklodowska Lublin-Polonia ,23, 161-74.
Pedersen, B.T.(1990).Test of the multiple row brush hoe. Veröffentlichungen der Bundesanstalt
für Agrarbiologie, Linz/Donau ,20, 109-25.
Peruzzi,A., Silvestri, N., Gini, N.& Coli,A.(1993).Weed control of winter cereals by means
of weeding harrows: first experimental results. Agricoltura Mediterranea ,123,
236-42.
Phillips, M. C.(1993).Use of tillage to control Cynodon dactylon under small-scale farming
conditions. Crop Protection ,12, 267-72.
Pimentel, D.(1980).Energy inputs for the production, formulation, packaging, and
transport of various pesticides.In Handbook of Energy Utilization in Agriculture , ed.
D.Pimentel, pp.45-8.Boca Raton, FL: CRC Press.
Pimentel, D., & Burgess, M.(1980).Energy inputs in corn production. In Handbook of Energy
Utilization in Agriculture , ed.D.Pimentel, pp.67-84.Boca Raton, FL: CRC Press.
Pollard, F., & Cussans, G.W.(1976).The influence of tillage on the weed flora of four sites
sown to successive crops of spring barley.In Proceedings of the 1976 British Crop
Protection Conference: Weeds , pp.1019-28.Croydon, UK: British Crop Protection
Council.
Pollard, F., & Cussans, G.W.(1981).The influence of tillage on the weed flora in a succession
of winter cereal crops on a sandy loam soil. Weed Research ,21, 185-90.
Pollard, F., Moss, S.R., Cussans, G.W., & Froud-Williams, R.J.(1982).The influence of
tillage on the weed flora in a succession of winter wheat crops on a clay loam soil
and a silt loam soil. Weed Research ,22, 129-36.
Prihar, S.S., & Van Doren, D.M.Jr.(1967).Mode of response of weed-free corn to post-
planting cultivation. Agronomy Journal ,59, 513-16.
Prostko, E.P.,Wu, H.-I., Chandler, J. M., & Senseman, S.A.(1997).Modeling weed
emergence as influenced by burial depth using the Fermi-Dirac distribution
function. Weed Science ,45, 242-8.
Rahkonen, J., & Vanhala, P.(1993).Response of a mixed weed stand to flaming and use of
temperature measurements in predicting weed control efficiency. In Non-Chemical
Weed Control, Communications of the 4th International Conference of the International
Federation of Organic Agricultural Movements , Dijon, France, ed.J.M.Thomas, pp.
173-81.
Randall, G.W.(1984).Role of crop nutrition technology in meeting future needs.In Future
Agricultural Technology and Resource Conservation , ed.B.C.English, J.A.Maetzold, B.
R. Holding & E.O.Heady, pp.354-67.Ames, IA: Iowa State University Press.
Rasmussen, J.(1990).Selectivity - an important parameter on establishing the optimum
harrowing technique for weed control in growing cereals. Proceedings of the
European Weed Research Society Symposium 1990, Integrated Weed Management in Cereals ,
pp.197-204.Paris: European Weed Research Society.
Search WWH ::




Custom Search