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Direct -seeded rice systems have several advantages. Weeds, however, are considered one of the major biological constraints in these systems because there is no seedling size advantage as rice and wee...
Organic tobacco is a new industrial crop. Field experiments were conducted, during 2005-2006, to determine the effects of irrigation system and green manure on weed flora in organic tobacco crops (Nic...
According to the results of the experiment, at lower temperature and average precipitation vegetation conditions (2004), a significantly higher yield of sugar beet roots was found in intensively t...
The paper presents the results of two experiments which covered the relationships between the tillage method (ploughing and non-plough tillage) and the level of nitrogen fertilisation (50 and 150 kg N...
The 1999-2000 experiment investigated the field weed infestation, depending on the crop species (spring barley, oat, buckwheat), and weed control methods in spring barley (post-emergence harrowing, Ch...
The research was conducted in 1999-2002 at the Brody Experimental Station of the Poznań Agricultural University. The aim of this study was to determine the effect of tillage systems (conventional, red...
This paper presents a study on the effect of a 26- to 31-year monoculture on the weed infestation of two oat cultivars with and without chemical control. The 6-year study was carried out in a static ...
The aim of the present studies carried out over 1994-1998 was to define the effect of multi-year fertilisation with straw + NPK, NPK only, manure only, manure with: PK, NK, NP, NPK, NPK + Ca and no fe...
Effect of preceding crop, soil tillage and herbicide application on weed and winter wheat yield.
Safflower ( Carthamus tinctorius L.) can be a potential oilseed crop for the low-rainfall areas of Central Anatolia, Turkey. The purpose of this study was to determine response of safflower cultivars ...

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