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Nutrient absorbtion of weeds in maize
E Lehoczky1, A Kismányoky, P Nagy
1University of Pannonia, Georgikon Faculty of Agriculture Institute for Plant Protection, Deák F. Str. 16, HU-8360 Keszthely, Hungary. lehoczky@georgikon.hu
Communications in Agricultural and Applied Biological Sciences
|February 21, 2009
Summary
Cultivation methods significantly impact weediness in maize fields. Tillage practices and nitrogen fertilization affect weed cover, species diversity, and biomass, influencing crop competition.
Area of Science:
- Agricultural Science
- Agronomy
- Ecology
Background:
- Weed management is crucial for optimizing crop yield and resource utilization.
- Understanding the interplay between cultivation methods, nitrogen fertilization, and weed dynamics is essential for sustainable agriculture.
Purpose of the Study:
- To investigate the effects of different tillage systems (no-till, disk, conventional) and nitrogen (N) fertilization levels on weediness in maize.
- To analyze weed species occurrence, biomass production, and their competition with maize under varying agricultural practices.
Main Methods:
- A bi-factorial split-plot design experiment was conducted in Hungary with four replications.
- Crop rotation included winter wheat-winter wheat-maize-maize.
- Weed surveys utilized the Balázs-Ujvárosi coenological method, with weed and maize biomass (fresh and dry weight) measured.
Main Results:
- Cultivation methods significantly influenced weed cover, the number of perennial and annual weeds, and overall weed species richness.
- Analysis detailed weed species occurrence and biomass production in relation to maize.
- No herbicides were applied to allow for accurate competition studies.
Conclusions:
- Tillage practices are a key factor in determining weed community structure and abundance in maize cultivation.
- The findings provide insights into optimizing weed management strategies through appropriate cultivation techniques and nitrogen application.
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