Results 31 to 40 of about 155,696 (253)

Modelling Carbon Cycles as Basis of an Emission Inventory in Farms – The Example of an Organic Farming System [PDF]

open access: yes, 2005
In organic farms, the internal carbon fluxes are of great importance. They are connected with soil fertility (humus contents, biological activity, soil structure) and the yield potential; some C pools (C fixation in humus) and C fluxes (CO2 and CH4 ...
Huelsbergen, Kurt-Juergen   +1 more
core  

Mosses of Mt. Trus Madi, Sabah, Malaysia [PDF]

open access: yes, 2002
A species list of mosses collected in Mt. Trus Madi, Sabah, between 10 September and 10 October 1996 is presented.
Edwards, S. R., Suleiman, M.
core   +1 more source

The content and composition of humus of chestnut saline soils of various agricultural uses in the conditions of the dry steppe of the Western Manych valley [PDF]

open access: yesE3S Web of Conferences
The results of a study on the comparative characteristics of the content and composition of humus of virgin and chestnut saline soils of various agricultural uses in the conditions of the dry steppe of the Western Manych valley are presented.
Iljina L. P.   +2 more
doaj   +1 more source

Applied Aspects of Humus Balance Modelling in the Rivne Region of Ukraine

open access: yes, 2020
The balance calculations in agriculture are the basis for assessing the value of land and determining how to use it effectively. Replenishing the humus balance in soils is a long and multifactorial process, and therefore requires considerable ...
P. Skrypchuk   +4 more
semanticscholar   +1 more source

Ergebnisse der Anwendung einer neuen Humusbilanzmethode in Dauerfeldversuchen [PDF]

open access: yes, 2009
Humus balance methods aim at the assessment of humus reproduction in cropping systems as an effect of cropped plant species and management. They do not intend to predict actual humus dynamics, which are strongly dependent on land-use history and ...
Brock, Christopher   +3 more
core  

Sustainable Energy Crop Production in Poland: Perspectives [PDF]

open access: yes, 2012
In the context of achieving the targets of the energy economy, Poland’s demand for bioenergy is stimulated by several factors, including the biomass potential of agricultural cultivation.
Grzesik, Mieczysław   +4 more
core   +2 more sources

Hymenaea courbaril SEEDLINGS IN PROTECTED ENVIRONMENTS AND SUBSTRATES [PDF]

open access: yesEngenharia Agrícola, 2017
The Brazilian copal is a tree fruit species that can be used for various purposes. The study evaluated protected environments and substrates in forming Brazilian copal seedlings (Hymenaea courbaril), at the State University of Mato Grosso do Sul ...
Cássio F. Sanches   +4 more
doaj   +1 more source

ORGANIC MATTER CONTENT AND HUMUS RESERVES IN NATURAL SOILS OF ROSTOV AGGLOMERATION

open access: yesSiberian Journal of Life Sciences and Agriculture, 2022
The research aims to study the content of organic matter in typical chernozem, its distribution in the soil profile under herbaceous and wooden phytocenoses.
Pavel N. Skripnikov   +3 more
doaj   +1 more source

EFFECT OF SYSTEM MINERAL AND ORGANIC-MINERAL FERTILIZATION ON THE HUMUS CONTENT AND HUMUS FRACTIONS IN MOLLIC FLUVISOLS [PDF]

open access: yesJournal of Central European Agriculture, 2006
The effect of system mineral and organic-mineral fertilization on the humus content and humus fractions in mollic fluvisols in condition of long-term fi eld experiment was studied.
TONI TOMOV, NEDIALKA ARTINOVA
doaj  

Evaluating humus forms variation in an unmanaged mixed beech forest using two different classification methods

open access: yesiForest - Biogeosciences and Forestry, 2012
Humus is an important part of terrestrial ecosystems and can be considered as an indicator of ecosystem functioning status. Morphologic method is an inexpensive and easy way to study humus forms.
Waez-Mousavi SM, Habashi H
doaj   +1 more source

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