Table 2.

Soil solarization temperatures achieved in different climate zones of India.

State	Soil∗	PE (μm)∗∗	Solarized soil		Control soils		Reference
			Max∗∗∗	Min	Max	Min
Moist sub-humid
Himachal Pradesh	CL	25	49	25	37	21	Gupta and Khosla, 2007
Himachal Pradesh	LS	25	47	18	37	15	Sharma et al., 2005
Uttarakhand	–	25	55	–	44	–	Singh, 2008
Kerala	–	50	42	–	36	–	Nair et al., 1990
West Bengal	CL	25	48	39	39	30	Chakraborty et al., 2009
Dry sub-humid
Madhya Pradesh	LS	110	52	–	46	–	Verma et al., 2010
Semi-arid
Delhi	LS	100	48	34	40	32	Kumar et al., 1993
Uttar Pradesh	–	47	54	–	45	–	Dwivedi, 1998
Telangana	V	100	48	38	39	33	Chauhan et al., 1988
Tamil Nadu	CL	200	46	–	28	–	Jayaraj and Radhakrishnan, 2008
Arid
Rajasthan	LS	50	51	45	53	49	Lodha et al., 1997

Temperature attained at a site representative of a climatic zone mentioned in this paper. ^∗Type of soil: CL, clay loam; LS, loamy sand; V, vertisol. ^∗∗Polythene sheet thickness. ^∗∗∗Temperature (°C) at 10 cm depth.