Results 61 to 70 of about 155,696 (253)

Dynamics of humus in field crop rotations on drained lands

Аграрная наука Евро-Северо-Востока
The purpose of the research is to study the influence of different types of field crop rotation, fertilizers, drainage and hydrothermal conditions on the dynamics of humus in reclaimed soil.
Yu. I. Mitrofanov, N. K. Pervushina
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The Organic Matter of Chernozem

Бюллетень Почвенного института им. В.В. Докучаева, 2017
Theories and points of view of soil science classics, such as V. V. Dokuchaev, I. V. Turin and M. M. Kononva on chernozem organic matter are reviewed in this work.
B. M. Kogut
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Mitigation of GHGs Emission From Soils by a Catalyzed In-Situ Photo-Oxidative Polymerization of Soil Organic Matter [PDF]

, 2010
Agricultural lands under food and bio-energy crops, managed grass and permanent crops including agro-forestry, occupy about 40-50% of the Earth's land surface^1^. In 2005, agriculture accounted for an estimated emission of 5.1 to 6.1 GtCO2-eq/yr (10-
Alessandro Piccolo, Riccardo Spaccini
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The importance of biomass net uptake for a trace metal budget in a forest stand in north-eastern France [PDF]

, 2010
The trace metal (TM: Cd, Cu, Ni, Pb and Zn) budget (stocks and annual fluxes) was evaluated in a forest stand (silver fir, Abies alba Miller) in north-eastern France.
Gandois, Laure, Nicolas, Manuel, Probst, Anne, VanderHeijden, Gregory   +3 more
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The activation of hydrogen by excited mercury atoms [PDF]

, 1925
That mercury atoms excited by absorption of the line 2537Å are able to activate various kinds of atoms by collisions of the second kind has been shown in several different ways.
Mitchell, Allan C. G.
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New Zealand microcosm of subtropical soils [PDF]

, 1969
Some examples of zonal soils in New Zealand are described by a visiting Soviet soil scientist. Analyses made in Moscow of samples collected during the visit are given and compared with results obtained by New Zealand Soil Bureau. The soi1s are correlated
Guerassimov, I.P.
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Managing Alaska Soils [PDF]

, 2010
This publication is for the gardener who wants to gain a more thorough understanding of soil basics, including soil components, texture, structure, water permeability and chemistry.
Jahns, Thomas R.
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Meadow soils on the Soil map of Russian Federation at a scale of 1 : 2.5 million in the system of soil classification of Russia

Бюллетень Почвенного института им. В.В. Докучаева
The legend of the Soil Map of the RSFSR at a scale of 1 : 2.5 million (SMRF) presents five units of meadow soils. Their small areas are located in many regions of Russia.
T. V. Ananko, M. I. Gerasimova
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Auswirkungen der Einbringung von Buche (Fagus sylvatica L.) auf die Artendiversität und Naturnähe von Nadelholzbeständen in Niedersachsen [PDF]

, 2013
The promotion and extension of continuous cover mixed stands with a simultaneous reduction of conifer-monocultures play a major role in current silvicultural practices in Central Europe.
Budde, Sabine, Schmidt, Wolfgang, Weckesser, Martin   +2 more
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Състояние на почвеното органично вещество в Черноземи от Северна България

Почвознание, агрохимия и екология, 2011
Two representative soil profiles of Chernozems from Northern Bulgaria were investigated. The soil organic matter status was analyzed end evaluated.
Иванка Любенова, Росица Илиева   +1 more
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