<abstract xmlns="http://www.w3.org/1999/xhtml"> Many of the world’s findings indicate the positive effect of earthworms on soil parameters, and consequently, on the formation of phytomass of cultivated plants. In our experiment we studied: A) the influence of soil itself, soil mixed with vermicompost in a ratio of 9:1; B) the influence of earthworms number (genus Eisenia foetida, 10 and 20 individuals per pot) supplied to soil mixed with vermicompost in the ratio of 9:1 on the dynamics of changes in the weight of radish roots, the total chlorophyll content in leaves and the selected qualitative parameters of the roots. The results obtained showed that one tenth proportion of vermicompost from the total weight of soil substrate caused the statistically significant increase in the total chlorophyll content in leaves, the increase in yield of radish roots, the reduction of the vitamin C content and the increase of nitrate content in the roots. The impact of earthworms on the chlorophyll content in leaves and on the root weight was negative. The addition of 10 individuals of earthworms into 20 kg of substrate (soil + vermicompost) resulted in the increased content of vitamin C and the decreased content of nitrates in the radish roots. Twenty earthworms added to vermicompost, compared to vermicompost alone, did not affect the vitamin C content and reduced the nitrate content.</abstract>

Vermicompost and Eisenia Foetida as Factors Influencing the Formation of Radish Phytomass

<abstract xmlns="http://www.w3.org/1999/xhtml"> Due to water scarcity and dry Mediterranean conditions, improving water use efficiency is a major challenge for sustainable crop production and environment protection. Field experiments were conducted for two consecutive years (2010 and 2011) to assess the effects of variety and irrigation method on potato crop, following a 2 × 4 factorial experiment type arranged in a split plot design with two spring potato varieties (Spunta and Marfona), and four irrigation methods (drip irrigation with two modes of dripper spacing/dripper flow: 30 cm at 4 l/h and 60 cm at 8 l/h, sprinkle irrigation, and furrow irrigation), with three replicates. Potato was irrigated when soil moisture in the active root depth was within the range of 75-80% of field capacity as determined by the neutron probe technique. Results did not show any differences between both varieties. Moreover, no differences in marketable yield, total dry matter, and harvest index were found between irrigation methods. However, results showed that sprinkle irrigation significantly enhanced nitrogen use efficiency. Furthermore, both water productivity and irrigation water use efficiency were significantly increased under drip irrigation compared with the other irrigation methods. They were about twice those under furrow irrigation, indicating that the employment of drip irrigation method can effectively address water shortage and sustainable potato production, in the dry Mediterranean region.</abstract>

Response of Two Potato Varieties to Irrigation Methods in the Dry Mediterranean Area

<abstract xmlns="http://www.w3.org/1999/xhtml"> Profitable prospective of rocket plant is progressively growing recently. Hence an experiment was conducted in open field to evaluate the effect of chicken manure, nano iron (Fe), nano zinc (Zn) and combination of them on morphological, fresh weight and seed yield, photosynthetic rate, transpiration rate, water use efficiency and chemicals constituents represented in macro and micro elements, plant pigments, total phenolics, total carbohydrate, alkaloids, tannins, flavonoids, ascorbic acid, crude protein, total fatty acids, indole acetic acid (IAA) and abscisic acid (ABA) hormones, oil seed yield and methylthiobutyl- isothiocyanate as main sulphur content in essential oil of Eruca sativa Mill. compared to chemical fertilisers (NPK) as control. Results revealed that, nano Fe and Zn treatments either alone or in combination with manure had the upper hand, where significantly increased almost all parameters under study in comparison with control. The outcomes of present research gave emphasis to global warning about pollution of chemical fertilisers and safety production.</abstract>

Main Sulphur Content in Essential Oil of Eruca Sativa as Affected by Nano Iron and Nano Zinc Mixed with Organic Manure

<abstract xmlns="http://www.w3.org/1999/xhtml"> Micronutrients and particularly zinc (Zn) deficiency affects crops productivity and human health, therefore improving Zn concentration within plant tissues might be regarded as an aim of sustainable agriculture. In this respect, a field experiment was carried out to examine the potential influence of preceding crop residues including bean and wheat incorporation into the soil as a way to improve zinc accumulation within subsequent wheat (Triticum aestivum L.) grain. The experiment was initiated at autumn 2014 and in the first year, a piece of farm land in Dehaghan-Isfahan-Iran was divided into two equal parts devoted to wheat and bean cultivation. At the end of the harvest season, aboveground plant residues were incorporated to 0-30 cm layer of soil. In the next year, the entire farm devoted to wheat production. The applied treatments included: control, zinc sulfate (60 kg/ha), wheat residues, bean (Phaseolus vulgaris L.) residues, wheat residues + zinc sulfate and bean residue + zinc sulfate. The results of analysis of variance showed the highly significant differences between treatments in terms of grain zinc, protein, phytic acid to zinc molar ratio (PA/Zn), quantitative yield and soil electrical conductivity (EC). Soil pH and organic carbon (OC) were not affected by treatments while soil EC significantly increased by using plant residues. The highest grain yield (3.8 t/ha), grain protein (10.3 mg/kg) and zinc concentrations (36 mg/kg) were obtained by using bean residues plus ZnSO4 while the lowest quantities were related to control treatment. The treatments had no significant impact on grain acid phytic concentration but phytic acid / zinc molar ratio was affected by treatments and the lowest ratio (which is a positive attribute) was measured from plots containing bean residues plus ZnSO4 while the highest occurred in control plots.</abstract>

Wheat Grain Enrichment with Zinc Through Using Zinc Fertiliser and Preceding Plant Residues Incorporation

<abstract xmlns="http://www.w3.org/1999/xhtml"> The parameters determining the agronomic and economic performance of genetically modified maize hybrid MON 89034 × NK603 and conventional hybrids were compared under conditions that eliminated the herbicide tolerance in GM hybrid as well as the use of insecticides in conventional hybrids. The GM hybrid confirmed ability to protect itself against the European corn borer and its average grain yield was higher by 6.36-14.42% (i.e. 0.82-1.86 t/ha) in comparison with conventional hybrids. The year of cultivation statistically significant influenced agronomic parameters and the financial income of maize production. The maize genotype did not statistically significantly affected any evaluated parameter. The final income was statistically significant (P &lt; 0.05) negatively influenced by all observed agronomic parameters with the exception of the seed price. The price of maize grains on the market was the only one factor that statistically significant (P &lt; 0.05) influenced financial income of the maize production.</abstract>

Agronomic and Economic Performance of Genetically Modified and Conventional Maize

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Agriculture (Pol'nohospodárstvo)

 Why subscribe, read and submit The Agriculture (Poľnohospodárstvo) is a peer-reviewed international journal with open access that publishes mainly original research papers. The types of contributions are also published – review and short communication. Papers are published in British English. The journal has been continuously publishing since 1954. It is published four times a year by the National Agricultural and Food Centre - Research Institute of Plant Production Piešťany, Slovak Republic (www.agriculture.sk; www.nppc.sk; www.vurv.sk). It is indexed in 36 recognized international scientific databases (e.g. SCOPUS).  Our journal is an excellent source of research information on agricultural and biological sciences. It offers fast review, editing process, worldwide dissemination and accessibility of articles. It examines various aspects of research and is devoted to the publication of papers dealing with the aims and scopes related to:   cropland,  farming and cropping systems,  precision agriculture,  agroecosystems,  plant improvement (genetic resources and biodiversity, physiology, genetics, breeding, biotechnology),  permanent crops (growing management and technologies, nutrition, disease and pest protection, weed control, economy of production),  chemistry,  biology, and genetics applied to agronomy,  quality of plant production,  interactions with environment,  grasslands and pasture improvement,  organic farming,  soil quality and management for sustainable agriculture,  irrigation and water use, and other aspects of plant science and production.   Rejection Rate   70%   Back issues Link to previous on-line volumes of Agriculture (Poľnohospodárstvo) (full text from 2006): www.agriculture.sk  Archiving  Sciendo archives the contents of this journal in Portico - digital long-term preservation service of scholarly books, journals and collections.  Plagiarism Policy  The editorial board is participating in a growing community of Similarity Check System's users in order to ensure that the content published is original and trustworthy. Similarity Check is a medium that allows for comprehensive manuscripts screening, aimed to eliminate plagiarism and provide a high standard and quality peer-review process. 