THE CHANGES OF BIODIVERSITY OF WEED FLORA IN ORGANI C SYSTEM IN THE YEARS 1996-2007
The aim of the paper is the investigation of weed f lora dynamics in winter wheat cultivated in organic system in the years 1996-2007. The study was conducted in the Experimen tal Station of…
THE IMPORTANCE OF BIOLOGICAL FIXATION OF ATMOSPHERIC NITROGEN IN ECOLOGICAL AGRICULTURE Summary
- S. Martyniuk, Instytut Uprawy, Nawożenia i Gleboznawstwa, W. R. Ekologiczym
- Environmental Science
- 2008
It has been estimated that annually over 100x10 tons of atmospheric nitrogen is introduced into the global nitrogen cycle as a result of biological nitrogen fixation (BNF). Until 90s BNF was the…
ALLELOHERBICIDES AND BIOHERBICIDES – MYTH OR REALIT Y ?
The article presents basic information on the pheno menon of allelopathy and examples of its practical application in agriculture. Produced by plants or microorganisms (bact eria, fungi,…
DEVELOPMENT TRENDS OF AGRICULTURAL ACTIVITY IN LEGALLY PROTECTED AREAS
- M. Staniak, Jerzy Ksi Ężak, Prawnie Chronionych
- Economics
- 2011
The main goal of the rural protected areas is to sh ield natural resources from degradation and save th m from improper use. The goal may be achieved if the economic activ ity will proceed according…
USAGE OF MICROBIOTEST PHYTOTOXKIT IN DETECTING OF A LLELOPATHIC POTENTIAL OF PHALARIS ARUNDINACEA Summary
In the laboratory expetriments an effect of the rhi zosphere soil water extracts, Phalaris arundinaceae roots and leaf water extracts on germination capacity and Sinapis alba r oot growth was…