Results 21 to 30 of about 1,951,832 (290)
Sources of nitrogen for winter wheat in organic cropping systems [PDF]
, 2013 In organic cropping systems, legumes, cover crops, residue incorporation, and manure application are used to maintain soil fertility, but the contributions of these management practices to soil nitrogen (N) supply remain obscure.
Christensen, B.T. +9 more
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DRIP FERTIGATION OF SOME VEGETABLE CROPS GROWN ON BAHARIYA OASIS SOIL [PDF]
Journal of Soil Sciences and Agricultural Engineering, 2010 A pot experiment was carried out at Sakha Agricultural Research Station during winter season of 2008 to study the suitability of Bahariya Oasis soils for producing vegetable crops under drip fertigation system.
M. M. El-Kafrawy +3 more
doaj +1 more source
A note on sewage sludge - risk assessments and fertilization value [PDF]
, 2013 A number of recent studies of risk related to agricultural use of sewage sludge are reviewed, as a contribution to the discussion of potential for use in organic agriculture.
Magid, Jakob
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Parasitic threat in commercial organic fertilizers [PDF]
Parasitology Research, 2022 AbstractThe use of fertilizers based on sewage sludge is common practice. Due to the possible presence of pathogens and eggs of intestinal parasites like Ascaris sp., Toxocara sp., and Trichuris sp. in these products, it is necessary to control them. The aim of the study was to determine the presence of parasite eggs in commercial organic fertilizers ...
Aleksandra Figura +2 more
openaire +2 more sources
Quality of plant products grown with manure fertilization [PDF]
, 1996 The meeting discussed results of food quality obtained by different long-term trials in Switzerland (DOC trial), Germany (Darmstadt) and Sweden (K trial etc.).
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Acta Scientiarum. Agronomy, 2011 This study was conducted at the Experimental Station belonging to UNESP Engineering University, Ilha Solteira Campus, based in Selvíria, Mato Grosso do Sul State, Brazil, with the aim of evaluating chemical alterations in an Oxisol after being managed ...
Cid Tacaoca Muraishi +3 more
doaj +1 more source
Fertilization in Organisms [PDF]
Nature, 1956 Fertilization By Lord Rothschild. Pp. ix + 170 + 5 plates. (London: Methuen and Co., Ltd.; New York: John Wiley and Sons, Inc., 1956.) 18s. net.
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The evolution of recombination in self-fertilizing organisms [PDF]
Genetics, 2022 Abstract Cytological data from flowering plants suggest that the evolution of recombination rates is affected by the mating system of organisms, as higher chiasma frequencies are often observed in self-fertilizing species compared with their outcrossing relatives.
Stetsenko, Roman, Roze, Denis
openaire +4 more sources
Litter Quality of Populus Species as Affected by Free-Air CO2 Enrichment and N-Fertilization [PDF]
, 2009 The effect of elevated CO2 and nitrogen fertilization on the molecular chemistry of litter of three Populus species and associated soil organic matter (SOM) was investigated by pyrolysis-gas chromatography/mass spectrometry.
Vermue, E. +5 more
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Reducing Global Warming: The Potential of Organic Agriculture [PDF]
, 2012 Climate change mitigation is urgent, and adaptation to climate change is crucial, particularly in agriculture, where food security is at stake. Agriculture, currently responsible for 20-30% of global greenhouse gas emissions (counting direct and indirect
Dytrtová, Karolína +7 more
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