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Yield and fruit quality of cucumber depend on such factors as plant cultivar, plant nutrition and the cultivation method. The presented paper contains results confirming the usefulness of rockwool and coconut fibre as well as the application of the fertigation system in cucumber growing. Studies on the growing of cucumber Onyks F1 cultivar were carried out in the years 2003–2005 in an unheated greenhouse...
Foliar feeding of plants is an important supplementation of soil fertilization in vegetable cultivation. Foliar-fertilized plants deliver high yields of good quality at lower rates of mineral fertilization. In horticultural practice foliar fertilization is also recommended as the most effective method of supplying plants with nutrients under deficiency conditions. An experiment was established to...
The aim of this research was to determine the influence of various forms, diverse doses, and methods of application of nitrogen fertilizers and foliar nutrition on the concentration of soluble sugars, ascorbic acid and phenolic compounds in cabbage. The three year (2005–2007) field experiment was carried out with ‘Galaxy’ F1 white cabbage. Two factors were examined: the type of N fertilizer ammonium...
Within the Ocimum genus there occur about 200 species in different varieties and forms. They differ in the essential oil content and quality, as well as in many morphological features. The studies conducted in the years 2008–2009 were aimed at defining the effect of basil cultivar (‘Kasia’ and ‘Wala’), as well as of the differentiated doses of CaCO3 (6 or 12 g·dm-3 of substratum) upon the biological...
The aim of the study was to evaluate the usefulness of glassy fertilizer as a slow-release fertilizer in container cultivation of Taxus × media and Physocarpus opulifolius in comparison with a common Osmocote Exact fertilizer used in nurseries. Glassy fertilizer granulated to Ø> 0.3 mm and Ø< 0.3 mm was applied in two doses: 3 and 6 g·dm-3. Macroelements, pH and EC were analysed for their content...
Numeorus analytical methods have been developed for determination of micronutrients, heavy metals and trace elements in soil. However, rapid and easy-to-perform methods are still needed for chemical composition analysis of soil that would be based on simultaneous extraction of multiple elements. Furthermore, it would be beneficial if element concentration in soil using these methods were correlated...
Basil, cultivated as a medicinal and seasoning plant, has strict requirements as to climate, as well as soil fecundity and humidity. The herb harvested during flowering period, contains, besides valuable essential oil, plant dye, vitamins and mineral components. The undertaken studies were aimed at analyzing the contents of macro and microelements in the herbs of two basil cultivars (‘Kasia’ and ‘Wala’),...
A three-year-lasting field experiment involved investigation on the effect of nitrogen and boron fertilization: 80, 120, 160 kg N∙ha-1; 80 N + 2 kg B, 120 N + B, 160 N + B kg∙ha-1 on fat and protein yield, as well as energy value of spring rape seeds. The experiment was conducted on brown and grey-brown podsolic soil of slight acidity. The experiment followed a „split-plot” method, with two variables...
At present, chlorine counts as one of the elements which are essential for growth and development of plants because it plays an important role in main physiological processes as well as in plant protection against diseases. In Poland, the problem of chlorine shortage does not appear, therefore there are no studies on its present concentration and accumulation in field crops. However, the content of...
In a pot experiment conducted in a phytotron, the effectiveness of foliar feeding of different potassium salts, with and without the addition of 0.5% CO(NH2)2, in spinach (Spinacia oleracea L.) was investigated. Potassium was applied 3 times in the form of 1% solutions KCl, KNO3, K2SO4 and C6H5K3O7XH2O, compared to water as the control treatment. The obtained results show that foliar feeding of potassium...
In a field experiment carried out in 2003/04 and 2004/05 growing season in the Agricultural Experimental Station Grabów on the Vistula river, Mazovia Province, the influence of foliar nutrition of winter wheat and oilseed rape with mixed micronutrient fertilizers (Plonvit Z/R) on the volume and quality of grain yield of wheat and rape seed was studied. The fertilizers were used alongside balanced...
The trifactor experiment was conducted at the Gorzyń Research and Didactic Institute in the years 2002-2004. Its aim was to investigate the influence of foliar fertilization with microelements and seed inoculation on the crop yield and quality of seeds of the leguminous plants. The yield of seeds and the weight of 1000 of them as well as their sowing value and chemical composition depended on the...
This study examined the sensitivity of different wheat cultivars to Cu deficiency. Winter wheat is considered as one of the most sensitive crops to the Cu shortage in the soil. Copper fertilization of wheat seams to be a necessity in our country, because of common Cu deficiency in the Polish soils. The response of ten wheat cultivars to foliar copper application was investigated in this research....
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