Additive Main Effect and Multiplicative Interaction Analysis for Grain Yield of Chickpea (Cicer arietinum L.) in Iran

Table 1

Agroclimatic characteristics of testing environments.

Environments			Mean (kg·ha^−1)	Latitude Longitude	Altitude (m)	Temp (^°C)a		Rainfall (mm)		Soil condition
Location	Year	Code				Min	Max	PSb	GSc	Texture	Typed
	2008	E1	2117.8	30^°10^′N; 50^°50^′E		5.3	39.2	180	575
Ghachsaran	2009	E2	1752.8		669.5	0	47.8	195.3	515.2	Silt-loam	Regosols
	2010	E3	1253.1			−2.6	44.6	190.1	560.7
	2008	E4	2328.3	36^°51^′N; 54^°16^′E		3.8	34.2	135	425
Gorgan	2009	E5	2603.2		13.3	−3	41	1758	700.6	Sandy-loam	Cambisols
	2010	E6	1636.2			−3.2	34.5	114.2	410.3
	2008	E7	848.6	33^°38^′N; 46^°25^′E		4.9	37.6	150.3	458
Ilam	2009	E8	913.9		1363.4	4.2	36.1	113	505.2	Silt-loam	Cambisols
	2010	E9	1357.9			3	35	170.4	576
	2008	E10	1569.3	34^°19^′N; 47^°07^′E		5.3	37	128.4	398.5
Kermanshah	2009	E11	850.8		1322	−10	41.6	149.2	431.5	Silt-loam	Cambisols
	2010	E12	1473.1			−8	38.6	169	515
	2008	E13	2123.5	23^°26^′N; 48^°17^′E		4	32	140.1	430.8
Lorestan	2009	E14	1744.0		1147.7	−5	39	110	482.8	Silt-loam	Regosols
	2010	E15	1707.3			−6	41	125.2	442.3

aMean seasonal temperature.
bPreseasonal rainfall.
cGrowing season.
dAccording to FAO system of soil classification.