Results 101 to 110 of about 27,033 (224)
HorticulturaeDuckweeds, such as Lemna minor L., are invasive aquatic species that can proliferate on the surface of the nutrient solution in hydroponic systems, requiring removal operations from the cultivation tanks and disposal as waste.
Ada Baldi +3 more
doaj +1 more source
On production costs in vertical differentiation models [PDF]
In this paper, we analyse the effects of the introduction of a unit production cost beside a fixed cost of quality improvement in a duopoly model of vertical product differentiation.
Dorothée Brécard
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Efektivitas Kombinasi Mikroorganisme Dan Tumbuhan Air Lemna Minor Sebagai Bioremediator Dalam Mereduksi Senyawa Amoniak, Nitrit, Dan Nitrat Pada Limbah Pencucian Ikan [PDF]
, 2016 Fish washery waste derived from washing inner and outer part of fish body.Fish washery waste containshigh ammonia, nitrite, and nitrate which may have negative effect for the environment.Most of the fish processing industry are not doing the processing ...
Haeruddin, H. (Haeruddin) +2 more
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Autres contributions pour la connaissance de la végétation de la Hesse : les communautés des pleustophytes [PDF]
, 2007 Als Beitrag zur Kenntnis hessischer Pflanzengesellschaften werden 9 Vegetationsaufnahmen von Pleustophyten-Gesellschaften der Klasse Lemnetea minoris mitgeteilt, die auf „Pflanzensoziologischen Sonntagsexkursionen“ in den Jahren 1985 bis 1998 erstellt ...
Nawrath, Stefan
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Macrophytes aquatiques dans les bras morts du Rhin et du Main en Hesse [PDF]
, 2010 Zur Schließung von Kenntnislücken zur Flora der Gewässer Hessens wurden 2009 von der BVNH neun Altarme von Rhein und Main untersucht. Die Ergeb-nisse zeigen, dass viele als sehr selten oder verschollen geltende Gewässermakrophyten noch oder wieder in den
Gregor, Thomas +3 more
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American Journal of Botany, 1923 The writer was fortunate, several years ago, in locating a habitat in which Lemnaceae were abundant, with the special feature of regular flower-production in L. perpusilla Torr., which is there present. The development of normal flowers and mature fruits is the usual thing in this strain, rather than the partial development and later degeneration ...
openaire +2 more sources
Does Input Trade Liberalization Boost Downstream Firms Exports? Evidence from the French Agrofood Sector [PDF]
intermediate good, heterogeneous firms, agrifood sector, trade liberalization., Agribusiness, International Relations/Trade,
Chevassus-Lozza, Emmanuelle +2 more
core +1 more source
NPK-contents of macrophytes from the Mediterranean Morocco [PDF]
, 2006 Cette étude présente une évaluation des teneurs en NPK (azote, phosphore et potassium) des principaux macrophytes. Lemna gibba, les feuilles de Salix purpurea et les parties reproductives de Tamarix africana présentent une teneur en azote élevée.
Ennabili, Abdeslam, Radoux, Michel
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Depuração de efluente suinícola por Lemna minor e valorização energética da biomassa por co-digestão anaeróbia [PDF]
, 2014 Mestrado em Engenharia do Ambiente - Instituto Superior de AgronomiaOver the last decades, phytodepuration has been considered an efficient technology to treat agricultural wastewaters.
Pena, Luís Miguel Apolónia
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