THE CORRELATIONS OF AREAS OF MATURED CROP AND THE RAINFALL. 



391 



Fig 9. 



Hor. Scale 1 divn.=6". 



Ver. Scale 1 divn. = 9000 acres. 



Distribution of rain and crop for total harvest 

 (Kharif) for Daska Tahsi], with rainfall April to 

 September. 



Eqns. of the regression lines : — 



(tj crop on rain: y = "2757% + 3-813. 

 (it) Rain on crop : y = i - 489x — 7-914. 



* • & 'V ■/» — ]i h 11 If 



Fig. ro. 



Hor. Scale 1 divn. = 1" 



Ver. Scale 1 divn. = 3000 acres. 



Distribution of rain and crop for the total 

 Rabi harvest of Tahsil Daska unirrigated areas, 

 with rainfall October to March. 



Eqns. of regression lines are : — 



(*) of crop on rain : y = -6i6a: + 2-434. 

 (it) of rain on crop : y = 3 - io2# — 11*375. 



■7 r~"3 ~'it' '»" 6 5 § 9 io ii ii a w is is ir Ta 



FlG. II. 



Hor. Scale 1 divn. =2". 



Ver. Scale 1 divn. 5000 acres. 



Distribution of rain and crop total for 

 harvest unirrigated area of Tahsil Pasrur, 

 rainfall October to March. 



Eqns. of the regression lines are : — 



(i) Crop on rain : y = -8569^ + 5-262. 

 fii) Rain on crop : y = 3 - i95%-2-8o4. 



Fig 12. 



Hor. Scale 1 divn. = 2". 

 Ver. Scale 1 divn. = 5000 acres. 

 R a bj Diagram showing the distribution of rain and cropped 



with area ^ n tne w hole of Tahsil Sialkot from 1887 — 1906 for 

 unirrigated lands. 

 Eqns. of the regression lines are: — 



(i) of crop on rain : y = -2303* + 7-320. 

 (it) of rain on crop : y = 1-0457;*; — 2-467. 



