European Journal of Soil Science
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Ảnh hưởng của rơm gạo kích thước vi mô đến khả năng phân tán của đất sét Dịch bởi AI Tóm tắt Việc đưa rơm vào đất đã được khuyến khích như một giải pháp thay thế cho việc đốt rơm tại chỗ, điều này đang diễn ra ở nhiều vùng trồng lúa. Tuy nhiên, thực hành này có thể dẫn đến sự thay đổi trong tính chất keo của đất sét, điều này có thể làm tăng cường sự mất mát của đất sét và dinh dưỡng. Nghiên cứu này nhằm chứng minh ảnh hưởng ...
European Journal of Soil Science - Tập 73 Số 3 - 2022
Effects of experimental warming on soil respiration and its components in an alpine meadow in the permafrost region of the Qinghai‐Tibet PlateauSummary The response of soil respiration (Rs ) and its components (autotrophic [Ra ] and heterotrophic respiration [Rh ]) to climate warming is one of the uncertainties in ecosystem carbon (C) models. Here we conducted a warmin... ... hiện toàn bộ
European Journal of Soil Science - Tập 66 Số 1 - Trang 145-154 - 2015
Using soil knowledge for the evaluation of mid‐infrared diffuse reflectance spectroscopy for predicting soil physical and mechanical propertiesSummary Mid‐infrared diffuse reflectance spectroscopy can provide rapid, cheap and relatively accurate predictions for a number of soil properties. Most studies have found that it is possible to estimate chemical properties that are related to surface and solid material composition. This paper focuses on prediction of physical and mechanical properties, with emphasi... ... hiện toàn bộ
European Journal of Soil Science - Tập 59 Số 5 - Trang 960-971 - 2008
Prediction of soil organic and inorganic carbon contents at a national scale (France) using mid‐infrared reflectance spectroscopy (MIRS)This work aimed to evaluate the potential of mid‐infrared reflectance spectroscopy (MIRS) to predict soil organic and inorganic carbon contents with a 2086‐sample set representative of French topsoils (0–30 cm). Ground air‐dried samples collected regularly using a 16 × 16‐km grid were analysed for total (dry combustion) and inorganic (calcimeter) carbon; organic carbon was calculated by di... ... hiện toàn bộ
European Journal of Soil Science - Tập 63 Số 2 - Trang 141-151 - 2012
Particle packing and organization of the textural porosity in clay–silt–sand mixturesSummary The packing of elementary particles in soil largely determines the properties that depend on the textural soil pore space, but is studied little. The relations between packing and size and nature of soil particles were studied using fractions of clay, silt and sand, mixed when wet and then dried. Ternary mixtures (clay:silt:sand) were compared with binary mi... ... hiện toàn bộ
European Journal of Soil Science - Tập 49 Số 4 - Trang 557-567 - 1998
Depth‐related responses of soil microbial communities to experimental warming in an alpine meadow on the Q inghai‐T ibet P lateauSummary Although the effect of experimental warming on soil microorganisms has been well documented at surface horizons, less is known about its influence in subsurface horizons. An experiment was therefore carried out in an alpine meadow on the Q inghai‐T... hiện toàn bộ
European Journal of Soil Science - Tập 66 Số 3 - Trang 496-504 - 2015
Mechanisms of solute transport affect small‐scale abundance and function of soil microorganisms in the detritusphereSummary In the detritusphere, particulate organic matter offers new sites for microorganisms, whereas soluble substrates are transported into the adjacent soil. We investigated how mechanisms of solute transport affect microbial abundance and function in the detritusphere. In a first experiment, transport was restricted to diffusion, whereas in a second experiment i... ... hiện toàn bộ
European Journal of Soil Science - Tập 57 Số 4 - Trang 583-595 - 2006
Changes in the amount and distribution of neutral monosaccharides of savanna soils after plantation of Pinus and Eucalyptus in the CongoSummary In the Congo, near Pointe‐Noire, Pinus and Eucalyptus were planted on the savanna for 30 years. We have characterized the effects of this change on land‐use on the composition of carbohydrates in whole soil and particle‐size fractions of the soil. Carbohydrates represent variable proportions of the total ... ... hiện toàn bộ
European Journal of Soil Science - Tập 47 Số 1 - Trang 51-59 - 1996
Land‐use effects on the composition of organic matter in particle‐size separates of soil: I. Lignin and carbohydrate signatureSummary Soil from Eutrochrept A horizons under long‐term spruce forest (Sf), mixed deciduous forest (Df), permanent grassland (Gp) and arable rotation (Ar) was fractionated according to particle size and analysed for contents of C, N, lignin‐derived phenols and carbohydrates. Whole soil from Sf, Df, Gp and Ar contained 84, 59, 73 and 25 g C kg... hiện toàn bộ
European Journal of Soil Science - Tập 45 Số 4 - Trang 449-458 - 1994
Fate of particulate organic matter in soil aggregates during cultivationSummary Particulate organic matter (POM) is a labile fraction of soil organic matter which is thought to be physically protected from biodegradation when within soil aggregates. We have developed a fractionation method to separate POM located outside stable soil macroaggregates (> 200 μm) and microaggregates (50–200 μm) from that within them, and applied it to a ... ... hiện toàn bộ
European Journal of Soil Science - Tập 47 Số 4 - Trang 495-503 - 1996
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