Results 121 to 130 of about 11,607 (259)
Molecular study of lipids in humic acids by sequential chemical degradation [PDF]
, 2009 Lipidy v půdě vykazují poměrně vysokou resistenci k biodegradaci, mohou proto tak zajistit informace o zdrojích organické hmoty a diagenetických procesech. Půdní organická hmota je vysoce heterogenní a vyskytují se v ní různé dynamické systémy.
Bachratá, Radka
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Influence de la qualité des composts et de leurs extraits sur la protection des plantes contre les maladies fongiques [PDF]
, 2006 Le potentiel suppressif de certains composts et de leurs extraits sur les maladies telluriques ou foliaires a souvent été démontré. L’efficacité des composts et/ou des extraits varie en fonction du type de compost et du système plante hôte-pathogène. Les
Larbi, Mohamed
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Bekämpfung der Kraut- und Knollenfäule im Ökokartoffelanbau [PDF]
, 2007 In dieser Arbeit wird ein zusammenfassender Überblick über Schadbilder und Infektionsketten sowie indirekte und direkte Gegenmaßnahmen gegen die Kraut- und Knollenfäule von Kartoffeln gegeben. Ein Schwerpunkt liegt in der Vermittlung, dass viele Faktoren
Kolbe, Dr. Hartmut, Meinck, Dr. Sabine
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, 1979 Forest Soil-cum-Vegetation Survey, Eastern Regional Centre, Kotebazar, Midnapore Humin Fraction of Soil ...
openaire +1 more source
Covalently bound humin-lignin hybrids as important novel substructures in organosolv spruce lignins.
International Journal of Biological Macromolecules, 2023 P. P. Thoresen +4 more
semanticscholar +1 more source
Tropical and Subtropical Agroecosystems, 2015 Crop-livestock integration (CLI) coupled with a no-till planting system (NTS) has proven to be an important alternative farming system, promoting efficient land use and soil conservation by maintaining soil organic matter (SOM).
Sidinei Julio Beutler +4 more
doaj
, 2016 A number of ionic liquids have been shown to be excellent solvents for lignocellulosic biomass processing, and some of these are particularly effective in the production of the versatile chemical building block 5-hydroxymethylfurfural (HMF).
Brandt, A +3 more
core +3 more sources
Analisis Pengaruh Urea terhadap Kestabilan Kompleks Humat–besi pada Lapisan Tanah [PDF]
, 2001 Substansi organik dalam tanah dapat menyebabkan terbentuknya kompleksdengan ion logam. Asam humat yang merupakan salah satu substansi tanahberperan dalam transportasi ion-ion tersebut, sehingga dapat membentukkompleks ion logam melalui reaksi pembentukan
Kurnia, D. (Dikdik) +2 more
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Почвознание, агрохимия и екология, 2011 In our work we studied the humus status of two fields of four-field rotation оn Mollic Fluvisols in Plovdiv region. The results of fraction composition of humus, confirm the assumption that the studied soil develops towards decreasing of soil ...
Стефка Тодорова +1 more
doaj
, 2009 Carbon is the fourth most common element in the galaxy(by mass) but does not even rank in the twelve most abundant elements on Earth. By far the most abundant source of carbon on Earth is in the crust as inorganic rocks such as calcite and limestone in ...
Schipper, Louis A., Sparling, Graham P.
core +1 more source