Prodromos Koukoulakis, Christos Chatzissavvidis, Aristotelis Papadopoulos and Dimitrios Pontikis
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Tomasz Knapowski, Wojciech Kozera, Elżbieta Wszelaczyńska, Jarosław Pobereżny, Joanna Cieślewicz and Jarosław Chmielewski
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STANKOWSKI S., HURY G., MAKAREWICZ A., JURGIEL-MAŁECKA G., GIBCZYŃSKA M
Konzentrationen und Aufnahme von Mikronährstoffen durch Hafer und Erbse in Gemengen in Abhängigkeit der N-Düngung und des Mischungsverhältnisses
Reinhard W. Neugschwandtner and Hans-Peter Kaul
observed because of the higher grain N concentrations of oat in intercrops ( Neugschwandtner and Kaul, 2014 , 2015 ). Oat–pea intercropping resulted in higher grain nutrient yields of macronutrients potassium (K), magnesium (Mg), and phosphorus (P) in N-unfertilized treatments and in higher residue macronutrients yields of calcium, K, Mg, and P over several N treatments compared to oat and pea pure stands ( Neugschwandtner and Kaul, 2016 ).
Little consideration has been paid yet to micronutrient status of plants in intercrops, although intercropping could be an
Jana Kodymová, Hana Švehláková, Miroslav Kyncl and Magdaléna Bártková
Along with the current increase in the number of biogas plants, huge amounts of digestate, i.e. waste products, are being generated. The common practice in the Czech Republic is to plough the digestate into the land. In our field trial, we compared the fertilizing effects of standard fertilizers applied in the Czech Republic with digestate as the only fertilizer (e.g. digestate fibre and digestate liquor) in real agricultural conditions to find out whether a comparable amount of nitrogen is used in accordance with European legislation. The impact of separated digestate fibre and separated liquor on the soil fertility and quality was observed on the basis of the distribution of macro- and micronutrients in maize. The evaluation of growth increments in maize suggests that the fertilizing effects of digestate liquor or digestate fibre do not match the standard fertilizer in agriculture, but especially digestate liquor is comparable with other mineral fertilizers. Our field trial also shows that digestate liquor is a better fertilizer than digestate fibre, which may be explained by more appropriate ratios of available nutrients in digestate liquor. Digestate fibre may be recommended mainly for the aeration of clayey soil, but is not sustainable as fertilizer.
Lena Grønflaten, Eiliv Steinnes and Göran Örlander
Effect of conventional and whole-tree clear-cutting on concentrations of some micronutrients in coniferous forest soil and plants
Increasingly intensive and mechanized clear-cutting may deplete the forest ecosystem of essential nutrients. A clear-cut area near Växjö, southern Sweden, was investigated for changes in Mn, Cu and Zn in soil (NH4NO3 extractable and HNO3 soluble) and wavy hair grass (Deschampsia flexuosa) after conventional (CC) and whole-tree clear-cutting (WTC). The soil samples were mostly iron podzols. The area consisted of four clear-cut sites, respectively 2, 4, 6 and 8 years old, and an uncut forest reference stand. Each of the clear-cuts was split in two parts representing WTC and CC sites. Manganese showed the most definite trends after clear-cutting, exhibiting higher extractable concentrations in Oe, Oa and E horizons (4-8 years after clear-cutting) and B horizons (6-8 years after clear-cutting). The increase of exchangeable Mn in the E (2-8 years) and B (4-8 years) horizons was particularly strong. Zn concentrations tended to fluctuate with time. There was a tendency to higher Mn and Zn concentrations in the humus layer especially 2 years after CC-treatment compared with WTC, whereas the opposite trend was apparent for Cu. Mn, Cu and Zn concentrations decreased in Deschampsia flexuosa 2 years after clear-cutting, possibly due to increased soil pH.
Borzoo Shadravan, Mohsen Janmohammadi, Shahriar Dashti and Naser Sabaghnia
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D erosa M.C., M onreal C., S chnitzer M., W alsh R., S ultan Y., 2010: Nanotechnology in fertilizers. – Nature nanotechnology, 5(2): 91.
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I mtiaz M., R ashid
Mokhtar Pasandi, Mohsen Janmohammadi, Amin Abasi and Naser Sabaghnia
) as fodder crop in central Italy. Ital. J. Agron. 6: 4-9.
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Emongor V (2010) Safflower ( Carthamus tinctorius L.) the underutilized and neglected crop: A review. Asian J. Plant Sci. 9: 299-306.
Galavi M, Ramroudi M, Tavassoli A (2012) Effect of micronutrients foliar application on yield and seed oil content of safflower ( Carthamus tinctorius ). Afr. J. Agric. Res. 7: 482-486.
Hamrouni I, Salah HB, Marzouk B
Marta Jeruszka-Bielak, Ewa Sicińska, Liesbeth de Wit, Jiří Ruprich, Irena Řehůřková, Kerry A. Brown, Lada Timotijevic, Anne-Mette Sonne, Pernille Haugaard, Antonella Guzzon, Noé Brito Garcia, Eleni Alevritou, Maria Hermoso, Yuliya Sarmant, Liisa Lähteenmäki, Wojciech Roszkowski and Monique M. Raats
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7. Cavelaars A.E., Doets E.L., Dhonukshe-Rutten R.A., Hermoso M., Fairweather-Tait S.J., Koletzko B., Gurinović M., Moreno L.A., Cetin I., Matthys C., van’t Veer P., Ashwell M., De Groot C.P., Prioritizing micronutrients for the purpose of reviewing their requirements: a protocol developed by EURRECA. Eur. J. Clin. Nutr., 2010, 64, Suppl. 2, S19-S30.
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