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Table 1 Analysis of soil samples at experimental vineyard

From: Effects of foliar spray of agricultural grade mineral oil in springtime, in combination with potassium and calcium sulfates on the phenological and biophysical indices of clusters, and foliar nutritional levels in grapevine (Vitis vinifera L.) cv. Sultana (Id. Thompson seedless, Sultanina)

Soil depth
(cm)
Clay (%) Sand (%) Silt (%) Soil texture pH EC
(ds/m)
T.N.V
(%)
Absorbable
P (ppm)
Absorbable
K (ppm)
Total N (%) Total C (%)
0–30 36.20 26.40 37.40 CL 7.70 0.77 19 19 200 0.05 0.52
30–60 35.70 27.80 36.50 CL 7.80 0.76 28 14 167 0.03 0.27