FROST PROTECTION IN LEMON ORCHARDS. 



15 



Table XI. — Total estimated modi ictinn by grades frmii plat 7, an acre of Eureka lemon 

 trees, for each picking during the calendar year 1913. 



jTho data in this plat were computed from tho individual-tron records of ten Eureka lemon trees. This 

 plat was heated during the winter of 1912-13 and was seleeled for comparison with plat 5 in an orchard 

 of Eureka lemon trees which was inade(|ualely heated during tho winter of 1912-13 and with i)lat 3 in 

 an orchard of Eureka lemon trees which was not healed during that same period. The data from plat 5 

 are presented in Table IX and from plat 3 in Table VII.] 



Classification. 



Dite of picking. 



Total 

 for 



year. 



Mar. 7. 



Apr. 3. 



May 21. 



June 24. 



Aug. 11. 



Sept.l2. 



Oct. 26. 



Dec. 12. 



Number of fruits: 



42,480 

 48, 540 



3,970 

 3,800 



3,780 

 2,250 



3,490 

 3,270 



2,110 

 3,650 



1,260 

 2,620 



2,150 

 4,870 



3, 020 

 1,320 



62, 260 



Tree-Ripe grade 



70, 320 



Total merchantable 

 fruit . 



91,020 



7,770 



6,030 



6,760 



5,760 



3,880 



7,020 



4,340 



132,580 







Cull grade 





 6,020 



1,080 

 



2,580 

 10 



430 

 



650 

 



300 

 20 



4,480 

 



600 

 



10, 120 



Frozen grade 



6,050 







Total 



97, 040 8, 850 



8,620 



7,190 



6,410 



4,200 



11,500 



4,940 



148, 750 







Weight of fruits: 



Lbs. oz. 

 11,528 12 

 10,170 



Lbs. oz. 

 995 

 702 8 



Lbs. oz. 

 990 

 451 4 



Lbs. oz. 

 919 6 



677 8 



Lbs. oz. 

 500 

 620 



Lbs. oz. 

 263 2 

 382 8 



Lbs. oz. 

 515 10 



746 4 



Lbs. oz. 

 820 10 

 335 10 



Lbs. oz. 

 16, 532 8 



Tree-Ripe grade 



14,085 10 



Total merchantable 

 fruit 



21,698 12 



1, 697 8 



1, 441 4 



1,596 14 



1,120 



645 10 



1,261 14 



1,156 4 



30,618 2 







Cull grade 







841 4 



140 10 

 



372 8 

 1 4 



57 8 

 



82 8 

 



35 10 



2 8 



369 6 

 



96 4 

 



1,154 6 



Frozen grade 



845 







Total 



22,540 01.838 2 



1,815 



1,654 6 



1,202 8 



683 12 



1,631 4 



1,252 8 



32, 617 8 







■ 





Table XII. — Total estimated production, by grades, from plat 8, an acre of Lisbon lemon 

 trees, for each picking during the calendar year 1913. 



[The data in this plat were computed from the individual-tree records of ten Lisbon lemon trees. This 

 plat was not heated during the winter of 1912-13 and was selected for comparison with plat 6 in an 

 orchard of Lisbon lemon trees which was heated during that period. The data from plat 6 are presented 

 in Table X.) 



Classification. 



Date of picking. 



Total for 



Mar. 10. 



Nov. 10. 



Dec. 18. 



year. 



Number of fruits: 



2,130 

 1,570 



5,780 

 30 



16,450 

 70 



24,360 





1,670 









3,700 



5,810 



16,520 



26,030 











116,670 



120 

 



170 

 



290 





116,670 







Total 



120,370 



5,930 



16, 690 



142, 990 





Weight of fruits: 



Green grade 



Lbs. oz. 



477 8 

 306 4 



Lbs. oz. 



1,538 2 



5 10 



Lbs. oz. 



4,417 8 



16 14 



Lbs. oz. 



6,433 2 



328 12 











783 12 



1,543 12 



4,434 6 



6, 761 14 





Cull grade 





 13,685 10 



13 12 

 



23 12 

 



37 8 



Frozen grade 



13,685 10 







Total ; 



14,469 G 



1,557 8 



4,458 2 



20,485 





