[PDF] Top 20 Soil pH changes in long term field experiments with different fertilizing systems
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Soil pH changes in long term field experiments with different fertilizing systems
... Soil pH values were determined from the compos- ite soil samples taken at establishment experiments before the first application of fertilizer in ...1996. Soil pH was measured ... See full document
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Evaluating of soil sulfur forms changes under different fertilizing systems during long term field experiments
... FYM fertilizing, but the contents of three measured S forms did not change during the crop ...the long-term influence of SS or FYM application and found significantly higher organic matter ... See full document
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Soil phosphorus and potassium availability in long term field experiments with organic and mineral fertilization
... in long-term field ...with different soil charac- teristics were evaluated – Lukavec u Pacova (cambisol) and Ivanovice na Hané (degraded ...Two soil tests (Mehlich 3 method and ... See full document
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Balance of potassium in two long-term field experiments with different fertilization treatments
... The trials were established in 1996 at two sites with different soil-climatic conditions: Hněvčeves and Humpolec (Table 1). Within the trials, three crops were rotated in the following order: potatoes, ... See full document
8
Long term field experiments – museum relics or scientific challenge?
... in different long-term trials contributes to a better understanding and forecast- ing of long-term effects of cultivation changes on the substance dynamics in the ... See full document
8
Evaluating of phosphorus quantity/intensity parameters in soil with different systems of organic fertilizing
... in soil is the construction of sorption isotherms in dependence on changes of exchangeable sorbed phosphorus in soil (∆Q) and changes of phosphorus amount in soil solution ...the ... See full document
6
Study on some soil quality changes obtained from long term experiments
... causes soil structure degradation and as a result it leads to changes in soil fertility and ...compare soil aggregate stability (SAS) and soil or- ganic matter (OM) quantity and quality ... See full document
6
Organic geochemical studies of soils from the Rothamsted Classical Experiments - V. The fate of lipids in different long-term soil experiments
... Globally, soil lipids constitute between 4 and 8% soil organic carbon although quan- tities of up to 42% have been observed to occur in a cultivated organic soil (Preston et ...dierent soil ... See full document
21
Winter wheat yields under different soil-climatic conditions in a long-term field trial
... climatic changes are already visible globally and as an independent factor can affect seriously the crop yields (Sun et ...like long-term drought or large-scale flood but also by less severe ... See full document
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The influence of mineral fertilisers, farmyard manure, liming and sowing rate on winter wheat grain yields
... a long-term field experiment at 4 sites under different soil and climatic conditions in the Czech ...fraction-factorial experiments were performed between 1980 and 2013 and ... See full document
9
The changes of soil nitrogen and carbon contents in a long term field experiment under different systems of nitrogen fertilization
... Soil organic matter (SOM) significantly af- fects soil fertility (Kubát and Lipavský 2006); it consists of primary organic matter (POM) and humus. Primary organic matter has a very low cation exchange ... See full document
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Changes of soil bioavailable phosphorus content in the long-term field fertilizing experiment
... The Mehlich-3 (M3) method is widely used for extraction of plant-available phosphorus from soil over a wide range of pH values (Kobza & Gáborík 2008; Schroder et al. 2009; Zhang et al. 2009; Kobza et ... See full document
6
Soil carbon transformation in long-term field experiments with different fertilization treatments
... The changes were more marked at less fertile Luvisols in contrast to ...evaluated long-term trials in Europe (with various lengths of 16–80 years) and observed an average increase of C org in topsoil ... See full document
9
Occlusive effect of soil aggregates on increased soil DTPA extractable zinc under low soil pH causedby long term fertilization
... low soil pH caused by fertilization on soil available zinc in calcareous soil, this study was conducted based on a long-term experiment consisting of: (a) no fertilization (CT); ... See full document
6
The changes in microbial biomass C and N in long term field experiments
... of soil organic mat- ter, function as a transient nutrient sink and are responsible for releasing nutrients from organic matter for use by plants ...in soil (Bonde et al. 1988). n mineralization and ... See full document
7
Changes of soil agrichemical characteristics in pastures influenced by mineral fertilizing
... Grasslands are currently valued also in terms of the accumulation of carbon (SOM) into the soils. In the process of carbon sequestration should reduce the increase of the concentration of the most impor- tant glasshouse ... See full document
8
Changes in soil structure under different cropping systems
... CHANGES IN SOIL STRUCTURE UNDER DIFFERENT CROPPING SYSTEMS.. by.[r] ... See full document
288
Nitrous oxide emissions from the soil under different fertilization systems on a long term experiment
... to different fertilization conditions. It was carried out on a long-term experiment field in Skierniewice in Central Poland maintained with no alterations since 1923 under rye ...the ... See full document
8
Forms of Inorganic Phosphorus in Soil under Different Long Term Soil Tillage Systems and winter Crops
... In natural ecosystems on young, little weathered soils, P availability is controlled by the dissolution of primary mineral phosphate (tiessen et al., 1984). however, in more weathered soils, the decomposition and ... See full document
12
Applicability of soil column incubation experiments to measure CO2 efflux
... study, changes in soil properties, particu- larly water content and air-filled porosity, were accurately observed during the incubation ...tilled soil, which would be due to the increase in the ... See full document
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