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The article presents the results of the analysis of mineral composition of the material, which builds soils developed on the inpeatland dunes located in the Biebrza River Valley and the Narew River Valley. The main component of the mineral part of the studied soils is quartz, whose content indicates a relatively low degree of aeolian processes, which is also confirmed by the relatively high content...
The subject of the study was the impact of three different combinations of corn tillage on the properties of organic matter – direct seeding into stubble as a control, seeding after deep plowing and seeding after application of manure and deep plowing. The experiment included humus horizons in black earth (Haplic Phaozems) in Poznański Lake District in the field of a ten-year conservation tillage...
This paper presents the results of testing studies of the basic values of physical and water properties of the humus horizon in a typical black earth where three variants of simplified tillage were implemented. The state of a three-phase system of soil after fourteen years of no-til-lage cultivation was compared with the variant of single deep plowing and plowing with manure fertilization. The following...
The publication contains the descriptions of two analyses of soil texture and the bed beneath (subsoil). For objective reasons, the first method – TA is very labor and time consuming, yet exact and verifiable, of a precisely defined indication error. It is conducted by a complete refractioning of a soil sample which have been dispergated in distilled or demineralized water. The analysis was based...
This study was conducted on the material originating from a reclamation experiment established in the area of the former Sulphur Mine “Jeziórko”, on a soil-less formation with a particle size distribution of weakly loamy sand, strongly acidified and with poor sorptive properties. In the particular treatments of the experiment, the following were applied to the soil-less formation: flotation lime...
The influence of humic acids on Pisum sativum L. seed swelling process was studied. Humic acids (HA) were applied during seed swelling by watering the seeds for one hour in the first, fourth and eight hour of the process. Three different concentrations of HA 0.005 [gC dm-3]; 0.01 [gC dm-3]; 0.02 [gC dm-3] in buffer phosphate solution at pH=6.5 were used. The control sample was the pea seeds watered...
The article is dedicated to the problem of pedogenic process on eluvium-diluvium solid carbonate rocks and investigation of the formation peculiarities of morphogenetic characteristics of Rendzinas (Rendzic Leptosols, WRB, 2007) under the influence of ligneous and herbaceous agricultural vegetative formations.
In this paper the dynamics of migration of heavy metals (HM), namely Pb, Cd, Cu, Zn, in turf-podzol sandy loam soil and chernozem soil in the presence of impact pollution was investigated. Experimental data were obtained during the period of 1999 to 2006. We applied exponential and Koller models to obtain the ranking of the metals according to their rate of dissipation from a 0–20 cm layer of soil...
The interrelation of regulation methods of soil fertility, agrochemical and agro-physical indicators of dark-brown soil was determined by the complex studies. The increase of the humus and available phosphorus content in the soil was noted at the application of organic fertilizers (manure, siderates), the increase in structural composition was observed. Productive moisture additionally collected in...
The influence of granulometric composition of fractions from different soil horizons on the qualitative and quantitative composition of earthworms has been studied. The effect of granulometric fractions on the formation of humidity, temperature, gaseous regime, actual acidity as main abiotic factors in genesis of earthworms complexes in the soils of Western Volyn and Podillya has been described.
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