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Exemplary spatial distributions (sand content and pH) estimated by kriging method on the base of experimental semivariograms are presented in Fig. 3 (commune) and in Fig. 4 (field). Fig. 3. Estimated distributions of sand content and pH values in top layer of soil on commune area (in geographical coordinates). 148
Piasek – Odległość Odległość – Odległość Odległość – Fig. 4. Estimated distributions of sand content and pH values in top layer of soil on cultivated field Values of semivariances, similarly to the standard deviations for defined granulometric fractions were the highest for sand and the lowest for clay. The range of spatial dependence (spherical model) of all granulometric fractions for the commune was similar (around 0,03°). In the field this range was from 80 m (sand) to 15 m (clay). The range of spatial dependence for pH values in commune area was around 0,03° (exponential model), and this was not determinable in the field due to the linear character of the semivariance. The interrelation between spatial distributions of granulometric fractions was observed for both the commune and the field. Moreover their latitudinal changes occur in the commune area. The sand content was highest in the central part of the commune while silt and clay prevailed in its northern and southern parts. Similar spatial distribution of pH was noted. One should mention that the estimation error for all soil properties on the whole sampling area was lower than 10% and this was around 2% in the vicinity of the sampling points. 149
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PHYSICS, CHEMISTRY AND BIOGEOCHEMIS
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IN MEMORIAM Dr Ludmila Petrovna Kor
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magnetic (ferrimagnetic) oxides, ma
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educed water activity, would favour
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In this paper AT sorption by surfac
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were obtained with clay content, pH
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In present investigation the quartz
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Hence, the micromorphology suggests
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As the indicators of soil aeration
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Stomatal diffusive resistance of th
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indicators of soil aeration conditi
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REFERENCES 1. 2. 3. 4. 5. 6. 7. 8.
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Table 1. Breakdown of numbers and t
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MORPHOLOGICAL AND PHYSICOCHEMICAL P
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conditions, existing at the first p
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INFLUENCE OF TEMPERATURE ON WATER P
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moisture % 100 90 80 70 60 50 40 so
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STATE OF MICROBIAL COMMUNITIES IN M
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million cells/g soil 25 20 15 10 5
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THE INFLUENCE OF COMPOSITION AND PR
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days grew faster than on substrate
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SOIL SALINITY AND CLIMATE CHANGES I
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POROUS STRUCTURE OF NATURAL BODIES
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These nonuniform classification sys
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Mercury intrusion data are plotted
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METHOD AND MATERIALS The shear stre
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wheat flour NaCl salt fine milk Fig
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The shear experiments revealed two
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Variable charge of mineral surfaces
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3. Huffaker RC and Wallace A 1958 P
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Q V (pH)/N t = α(pH) = n ∑ i= 1
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REFERENCES 1. De Wit, J.C.M, Van Ri
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BM - biomass; NM - necromass; MM -
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thousand times at the absence of co
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. m 131.5 131.0 I Height above sea
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SEASONAL VARIABILITY OF SOIL WATER
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The mean difference (MD) and the ro
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Acknowledgement This paper presents
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1992; Selim 1999). The relative imp
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1.0 C rel 0.5 0.0 v=0.7 D=3.28 v=0.
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1.0 a b C rel 0.5 0.0 0 1 2 3 0 1 2
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Comparison of before- and after-pul
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provides the accessibility of catio
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MODEL RESEARCH ON FORMATION OF SYNT
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The analysis of the specific surfac
Page 92 and 93: PHOSPHATE-INDUCED CHANGES IN THE SP
Page 94 and 95: According to the data of Table 1, t
Page 96 and 97: MINERAL-ORGANIC COMPOUND OF SOILS:
Page 98 and 99: RESULTS AND DISCUSSION An analysis
Page 100 and 101: INTRODUCTION CHEMICAL DEGRADATION O
Page 102 and 103: of organic particles and their elec
Page 104 and 105: HNO 3 -extractable form is very clo
Page 106 and 107: Results demonstrated that Pb and Cd
Page 108 and 109: tion was measured using the Tjurina
Page 110 and 111: OUTPUT FLUXES OF LEAD IN FOREST ECO
Page 112 and 113: Regional data on Pb concentrations
Page 114 and 115: DEVICE FOR EVALUATION OF THE RAPE P
Page 116 and 117: SPECTROSCOPIC COMPARISON OF HUMIC A
Page 118 and 119: ehavior of sequentially extracted H
Page 120 and 121: MODERN MONITORING SYSTEMS FOR THE M
Page 122 and 123: The control of the measurement syst
Page 124 and 125: ASORPTION AND SURFACE AREA OF SOILS
Page 126 and 127: Nm xCBET N = ( 1− x BET − )[ 1+
Page 128 and 129: According to this, when x/N (1-x) i
Page 130 and 131: POTENTIAL OF AZOLLA CAROLINIANA TO
Page 132 and 133: The decrease of Pb(II) and of Cd(II
Page 134 and 135: 12. 13. 14. 15. 16. Piechalak, A.,
Page 136 and 137: Kloc, 2001]. Nitrogen adsorption is
Page 138 and 139: This is worth noting that the lower
Page 140 and 141: N ( h) 1 2 γ ( h) = [ ( ) ( )] ( )
Page 144 and 145: This is worth noting that significa
Page 146 and 147: adsorbed chemicals to microorganism
Page 148 and 149: were detected in the untreated soil
Page 150 and 151: 0.4 1000 Moisture [Vol.] 0.3 0.2 0.
Page 152 and 153: NITROUS OXIDE EMISSION FROM SOILS W
Page 154 and 155: N2O-N [mg kg -1 ] 100 80 60 40 20 0
Page 156 and 157: LITERATURE 1. 2. 3. 4. 5. 6. 7. 8.
Page 158 and 159: where v(t) - CO 2 production rate;
Page 160 and 161: carbon was involved mainly into mic
Page 162 and 163: Demkin Vitaliiy DrSc Dmitrakov Leon
Page 164 and 165: Priputina Irina PhD Rudko Tadeusz P
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