Results 11 to 20 of about 128,478 (361)

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

Comparative analysis of humus balance under grain crops and perennial bean cultures of a farmland

open access: yesНовые технологии, 2019
The reduction of humus reserves, as one of the components of soil fertility, is influenced by the shortage of soil biomass on lands in agricultural use. The accumulation of humus reserves in the agrolandscape is a multifactorial process.
A. D. Gumbarov, E. V. Dolobeshkin
doaj   +1 more source

Dependence of winter wheat yield on the content and composition of organic matter of typical chernozem

open access: yesBIO Web of Conferences, 2021
The article is devoted to the study of the relationship and the determination of the dependence of winter wheat yield on the content and composition of the organic matter of typical chernozem, the determination of its optimal parameters in different by ...
Masyutenko Nina   +3 more
doaj   +1 more source

Relationships between tree and soil properties in Picea abies and Pinus sylvestris forests in Sweden [PDF]

open access: yes, 2010
The exchange of elements between plants and the soil in which they are growing creates reciprocal control of their element composition. Within plants, the growth rate hypothesis from ecological stoichiometry implies a strong coupling between C, N, and P.
Ladanai, Svetlana   +2 more
core   +1 more source

Humus.

open access: yesSoil Science, 1972
Peer ...
Méndez, J., Lojo, M. I.
openaire   +4 more sources

ESTIMATE OF CHERNOZEM ERODIBILITY LEVEL ACCORDING TO THE HUMIFICATION DEGREE

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2015
A short review of literature sources is presented to characterize the eroded soils according to their humus content. Traditional diagnostic indicators of the soil erodibility level based upon the humus status are the following: (1) decrease in the ...
B. M. Kogut
doaj   +1 more source

Fertility of privately owned plowland used for field crop production in the city of Kragujevac, Serbia [PDF]

open access: yesRatarstvo i Povrtarstvo, 2012
The paper presents the results of soil fertility analysis on the production plots of the city of Kragujevac, Serbia. The analysis was conducted on a total of 467 plowland samples.
Milivojević Jelena   +2 more
doaj   +1 more source

THE COMPOSITION OF HUMUS. [PDF]

open access: yesJournal of the American Chemical Society, 1897
n ...
openaire   +2 more sources

Speciation and fate of copper in sewage treatment works with and without tertiary treatment: The effect of return flows [PDF]

open access: yes, 2013
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2013 Taylor & Francis.The removal of metals from wastewaters is becoming an important issue, with new environmental quality standards ...
Barth EF   +18 more
core   +1 more source

Home - About - Disclaimer - Privacy