Enhanced Soil Solarization against Fusarium oxysporum f. sp. lycopersici in the Uplands

Table 1

Number of hours for different temperature classes recorded under solarization treatments (control (CK), regular polyethylene (PE), double regular polyethylene (DPE), and virtually impermeable films (VIF)) during July 6-August 22, 2008 and July 1-August 17, 2009 in Al-Aroub Agricultural Research Station, South of the West Bank.

Temperature class	Number of hours (2008)				Number of hours (2009)
	CK	VIF	PE	DPE	CK	VIF	PE	DPE
<30°C	730	47	67	41	670	200	103	22
30–35°C	422	401	430	328	383	384	457	408
35–40°C	0	410	362	296	99	310	289	262
40–45°C	0	289	276	267	0	222	275	242
45–50°C	0	5	17	220	0	36	28	218
Total (hours)	1152	1152	1152	1152	1152	1152	1152	1152
Min (°C)	20.9	26.1	23.1	23.7	20.5	23.2	24	23.6
Max (°C)	33.1	43.9	45.8	49.3	36.6	49.6	45.8	50.1
Average of Max.	32.6	41.4	42.8	46.7	35.3	43.6	45.5	47.9