The influence of the method of sowing and fertilization on appearance of weeds and yield of wheat
1990
Ognjanovic, R. | Peric, Dj. | Micanovic, D. (Institut za strna zita "Kragujevac", Kragujevac (Yugoslavia))
The experiment was carried out in period 1984/5-1986/7 on soil type smonitza. There was investigated effect of machine and manual sowing and fertilization on weediness and yield of wheat. Autors established, by analysis of variance, the lowest number of weeds on control plot (without of fertilization), and that increase of rate of fertilizers increased weediness. The differences were statistically significant. The dominant species, at both methods of sowing and all treatments of fertilization were as follows: Delphinium consolida, Polygonum aviculare, P. convolvulus, Convolvulus arvensis, Cirsium arvense, Chenopodium album, Chenopodium polyspermum, Galium aparine, Lathyrus aphaca, Lathyrus tuberosus, Stellaria media, Veronica hecerifolia, Stachys annua etc. The weed community is fragment association Consolida regalis-Polygonum aviculare. In the second surwey the weediness was less than in the first one at both methods of sowing and in all treatments if fertilization. At manual sowing grain yield was lower 288-686, or 407 kg/ha on average.
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