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The ecological aspect of using of suspensoemulsions in comparison with the using of other formulations such as e.g. EC and WP has been discussed. One example of such commercial product is given. Some difficulties which can take place when farmers are trying to prepare themselves the suspensoemulsions, from commercial WP or SC with EC or WE, is also discussed.
The study was carried out in the years 2013 and 2014 at the Łagiewniki farm to determine the effect of some herbicides on the yield and development of two opium poppy cultivars: ‘Lazur’ – with high morphine content, and ‘Borowski Biały’ – with low morphine content. The development and yield of the poppy was a derivative of environmental and agronomic conditions. The mixture of tembotrione and fluroxypyr applied post-emergence at a rate of 88 and 75 g a.i. · ha−1, respectively, effectively controlled most weeds which are harmful for the poppy and did not phytotoxically affect opium poppy plants. The level of yield also depended on the cultivar’s ability to grow under unfavourable weather conditions. A lower yield was noted for the cultivar with a lower content of morphine – ‘Borowski Biały’.
The influence of method and application time of retardant CCC and herbicide fluroxypyr on weed control degree and wheat yielding was examined under field condition during 2006–2008. CCC and fluroxypyr were used separately and in tank mixture at two growth stages: BBCH 31–31 and BBCH 35–37. Both products were applied in recommended doses: CCC – 2.0 l/ha and fluroxypyr – 0.8 l/ha. The selectivity and efficacy assessment was carried out four weeks after treatment. Plants height was measured after wheat heading. At the time of harvest grain yield and weight of 1 000 grains was recorded. A method of CCC and fluroxypyr application did not affect weed control and wheat grain yield, whilst the time of application differentiated effectiveness in weed biomass and wheat height reduction. Later dates of application resulted in less plant shortening as well as weed control limitation.
Organic compounds, active components of plant protection products, can form complexes with heavy metals. It has an effect on chemical properties of initial compounds. Such modified compounds can be characterized by different effectiveness. They also can influence metal mobility in soil as well as their availability to plants.
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