Results 41 to 50 of about 6,199,481 (352)

CHARACTERIZATION AND CLASSIFICATION OF SOILS FOR SELECTED SITES IN SOUTHERN ETHIOPIA

open access: yesTropical and Subtropical Agroecosystems
Background: Soils in southern Ethiopia are under intensive cultivation, and low soil fertility is a major problem. However, very little is known about soil types and their inherent nature to support specific decisions on soil managements.
Rameto Wabela Buser   +3 more
doaj   +1 more source

Determination of the number of working days of mechanized planting and semi-mechanized harvesting of sugar beet in Nahavand region

open access: yesMajallah-i Chughundar-i Qand, 2013
A study was conducted to determine the appropriate number of working days in mechanized planting and semi-mechanized har-vesting of sugar beet in Nahavand city, Iran in 2010.
M. Heidari , A.M. Borghei
doaj   +1 more source

Carbon and nitrogen distribution pattern in soil profile cultivated with Eucalyptus

open access: yesFloresta e Ambiente
The objective of this study was to evaluate the distribution pattern of total organic carbon (TOC) and total nitrogen (TN) in the native field soil profile and Eucalyptus sp. The study was carried out in native field and in eucalyptus plantations with 20,
Charlote Wink   +2 more
doaj   +1 more source

Assessing environmental changes in abandoned German vineyards. Understanding key issues for restoration management plans

open access: yesHungarian Geographical Bulletin, 2018
Land degradation in vineyards is a big concern which should be considered by farmers, enterprises and policymakers. Due to intense tillage, the use of herbicides and heavy machinery, vine plantations are registering a decrease in soil fertility and ...
Jesús Rodrigo-Comino   +3 more
doaj   +1 more source

Water-repellent soil and its relationship to granularity, surface roughness and hydrophobicity: a materials science view [PDF]

open access: yes, 2005
Considerable soil water repellency has been observed at a wide range of locations worldwide. The soil exhibiting water repellency is found within the upper part of the soil profile.
McHale, Glen   +2 more
core   +1 more source

A new soil core sampler for determination bulk density in soil profile

open access: yesPlant, Soil and Environment, 2004
The portable soil core sampler was engineered for gradual sampling of soil profile in the depth up to 0.5 m, which ensures extraction of the whole sample volume of soil profile in determinable depth.
P. Prikner, F. Lachnit, F. Dvořák
doaj   +1 more source

Simulating infiltration processes into fractured and swelling soils as triggering factors of landslides [PDF]

open access: yes, 2013
The influence of rainfall in triggering landslides is a widely discussed topic in scientific literature. The slope stability of fractured surface soils is often influenced by the soil suction.
Galeandro, A, Simeone, V, Šimunek, J
core   +2 more sources

Change of biogeochemical indexes in pine forests under technogenic pollution [PDF]

open access: yesСибирский лесной журнал, 2018
Studies of Pinus sylvestris L. forests in the impact (5–10 km) and buffer (11–40 km) technogenic pollution zones in the vicinity of a large industrial centre Usol’e-Sibirskoe of Irkutsk Oblast have been conducted in 2013–2016.
O. V. Shergina   +2 more
doaj  

Bacteria with Different Assemblages in the Soil Profile Drive the Diverse Nutrient Cycles in the Sugarcane Straw Retention Ecosystem

open access: yesDiversity, 2019
Straw retention, an alternative to artificial fertilization, commonly mitigates soil degradation and positively affects soil fertility. In this study, we investigated the succession of soil bacteria during two sugarcane straw retention treatments ...
Caifang Zhang   +11 more
semanticscholar   +1 more source

Spatial heterogeneity of the physical properties of the soil in the floodplain of the small river

open access: yesAgrology, 2019
The features of the soil physical indices variation in the floodplain of small river were investigated in the present article. The role of tree stand spatial organization in the variation of soil properties was shown.
V. M. Yakovenko   +2 more
doaj   +1 more source

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