International Scholarly Research Notices / 2011 / Article / Tab 1

Research Article

Impact of Fungicides Chlorothalonil and Propiconazole on Microbial Activities in Groundnut (Arachis hypogaea L.) Soils

Table 1

Physico-characteristic of the soils.

PropertiesBlack clay soilRed sandy loam soil

Sand (%)68.3 53.3
Silt (%)22.7 27.1
Clay (%)09.0 19.6
pHa 7.7 6.6
Water holding capacity (mL g−1 soil) 0.470.27
Electrical conductivity (m.mhos)254238
Organic matterb (%) 1.44 0.72
Total nitrogenc (%) 0.084 0.042
N H 4 + -N (μg g−1 soil)d 7.96 7.01
N O 2 -N (μg g−1 soil)e 0.48 0.32
N O 3 -N (μg g−1 soil)f 0.98 0.76

where, a1 : 1.25 = soil : water slurry.
bWalkley-Black method [24].
c Micro-Kjeldahl metod [24].
dNesslerization method [24].
eDiazotization method [25].
fBrucine method [26].

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