Sunflower / Tournesol
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Table 2

Soil analysis at 0–30 cm depth in the experimental fields at Giza in 2019 growing season.

Soil characteristics

Physical analysis Chemical analysis
Silt% 36.8 pH 7.73
Clay% 34.5 Ec(dsm−1) 1.40
Fine sand% 22.9 Sp 44.60
Coarse sand% 5.8 CaCO3% 3.80
Soil type Clay loam Soil bulk density% 1.2
Soluble anions (mEqu/l) Soluble cations (mEqu/l)
HCO3 0.6 Ca++ 4.8
Cl 8.3 Mg++ 2.7
SO4 5.1 Na+1 5.3
K+1 1.2

Source: Central Lab for Soil Analysis, Agricultural Research Center, Cairo, Egypt.

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