Effect of Boron Foliar Application on Reproductive Growth of Sunflower (Helianthus annuus L.)

Table 1

Soil characteristics.

	Spring season	Autumn season
Soil texture	Sandy loam	Sandy loam
pH	8.1	7.93
Electrical conductivity (mmhos cm^−1)	4.45	3.9
N (mg kg^−1)	28.2	22.4
P (mg kg^−1)	15.33	14.2
K (mg kg^−1)	0.791	0.746
B (mg kg^−1)	16	11
O.M %	0.9	0.8