Results 101 to 110 of about 155,696 (253)
Bio-organic Alternatives for Propagation of Psidium Guajava (L.) through Stem Cuttings
Agrisost, 2017 The aim of this study was to use different stimulators for guajabo propagation using stem cuttings in semi-controlled conditions, on "La Nueva Esperanza" farm, run by "Renato Guitart" Strengthened Cooperative of Credits and Services, in the municipality ...
Pedro López Labarta +3 more
doaj
Plant Litter: Decomposition, Humus Formation, Carbon Sequestration
, 2003 B. Berg, C. Mcclaugherty
semanticscholar +1 more source
The K-trial. A 33-years study of the connections between manuring, soils and crops [PDF]
, 2005 In 1958 started a comparative fertilization trial, called the K-trial, within the frames of Scandinavian Research Circle for Biodynamic Agriculture. The trial ended in 1990.
Granstedt, Artur, Kjellenberg, Lars
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Study of Hydrophobic Domains in Humic Acids [PDF]
, 2008 Fyzikálně-chemická povaha hydrofobních domén huminových kyselin byla studována z několika hledisek. K objasnění významu fluorescenčních spekter byly vzorky podrobeny sekvenční frakcionaci, která pomohla k částečnému objasnění vlivu vodorozpustných složek,
Čechlovská, Hana
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, 1995 Questo Dizionario tratta la questione ambientale intesa nella sua accezione più ampia. In esso sono infatti esposti e discussi contenuti e categorie dell'ecologia, della scienza cioè che si occupa delle interdipendenze dinamiche che caratterizzano i rapporti nella biosfera tra le forme viventi e l'ambiente fisico che le ospita.
openaire +1 more source
Organic farming and resource efficiency [PDF]
, 2011 The Chapter discusses the efficiency of nutrient and energy use in organic farming, regarding the pressing need to make efficient use of natural resources.
de Neergaard, Andreas, Oelofse, Myles
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Organic waste management studies : inventory in Juva [PDF]
, 2005 Two different organic waste management systems have been studied in the BERAS project. The most extensive study was of biowaste and nutrient flows in the community of Juva, Finland.
Lehto, Tiina
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Evaluación de biofertilizantes en Pennisetum purpureum
Agrisost, 2018 Con el objetivo de evaluar biofertilizantes en Pennisetum purpureum, se realizó la investigación en la finca “El Renacer” perteneciente a la CCS 26 de Julio, del municipio Camagüey, en un diseño en bloques al azar con cinco replicas y cinco ...
Ricardo de Varona Pérez +4 more
doaj
Introducing Exogenous DNA Vectors Directly into <i>Trypoxylus dichotomus</i> Larvae Via In Vivo Electroporation. [PDF]
Bio ProtocMorita S, Niimi T.
europepmc +1 more source
Chemical composition of the humus layer, mineral soil and soil solution of 150 forest stands in the Netherlands in 1990 [PDF]
A nationwide assessment of the chemical composition of the humus layer, mineral topsoil (0-30 cm) and soil solution in both topsoil and subsoil (60-100 cm) was made for 150 forest stands in the year 1990.
Leeters, E.E.J.M., Vries, W., de
core +1 more source