FROST PIIOTKCTION IN LEMON ORCHARDS. 



13 



Table VII. — Total estiinaled production by grades frovn, plat S, an acre of Eureka lemon 

 trees, for each picking during the calendar year 1913. 



[Tho data in this pl:it were foraputod from the individiial-trre records of ten Eureka lemon tree?. This 

 plat was not heated during tho winter of l'.tl2-13 and was seleiled for comparison with plat 2 in an 

 orchard of Lisbon lemon trees which was not heated during that period and with plats 5 and 7 in 

 orchards of I<;ureka lemon trees which were heated during that same period. I'lat 3 was partially pro- 

 tected hv heaters in neighborinp: orchards. Tho data from plat 2 are presented in Talilc Vl.from plat 

 5 in Table IX, and from plat 7 in Table XI.] 



Clas.sification. 







Date of 



pickint;. 







Total for 



Feh. 15. 



Apr. 5. 



May 27. 



June 21. 



-\.ug. 20. 



Nov. 17. 



year. 



Number of fruits: 



10, 330 

 400 



0,!;30 

 3,070 



1,020 

 890 



390 

 I.jO 



1,330 

 520 



4,750 

 2, 160 



25, 050 



Tree-Ripe grade 



7 ISO 







Total merchan table f ru i t. . 



10, 730 



9,700 



2,510 



.540 



1,8.50 



6,910 



32, 240 







 99,510 



2G0 

 29,880 



540 

 2,100 



30 

 030 



200 

 1,550 



2,590 

 2,620 



3,620 





136 380 







Total 



110,210 



39,840 



5,240 



1,200 



3,600 



12,120 



172, 240 







Weight of fruits: 



(ireen grade 



Lhs. oz. 

 2,519 C 

 91 4 



Lhs. oz. 

 1, 7C9 6 



GS2 8 



Jjhs. oz. 

 431 14 

 200 10 



Lhs. oz. 

 106 4 

 29 6 



Lhs. oz. 

 301 4 



85 10 



Lhs. oz. 



1,331 14 



376 4 



IM. 07.. 



6 4 CO 





1,465 10 







Total merchantable fruit. . 



2,filO 10 



2,451 11 



632 8 



135 10 



380 14 



1,708 2 



7,925 10 



Cull grade 





 fi,15f) 14 



41 14 

 4,565 10 



115 

 318 2 



5 10 

 76 4 



22 8 

 196 4 



293 12 

 290 



478 12 





11, 603 2 







Total 



S, 7f.7 8 



7,059 6 



1,005 10 



217 8 



005 10 



2,291 14 



20 007 8 







T.\BLK VIIT. — Total estitnated production by grades from plat 4, 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 five Lisbon lemon trees. This 

 plat was heated during the winter of 1912-13 and was selected for comparison with plat 1 in an orchard of 

 Lisbon lemon trees, which was not heated during that period. The data from plat 1 are presented in 

 Table V.] 



Classification. 



Date of picking. 



Total 



for 

 year. 



Mar. 3. 



Apr. 1. 



May 19. 



June 23. 



Aug. 11. 



Sept.l2. 



Oct. 26. 



Dec. 12. 



Number of fruits: 



52, 620 

 39,840 



9,420 

 3,020 



17,980 

 4,840 



8,300 

 3,160 



2,740 

 4,420 



1,080 

 2,340 



1,520 

 700 



11,360 



80 



105 020 



Tree-Ripe grade 



58,400 



Total mercliantable 

 fruit . . 



92,460 



12,440 



22, 820 



11,460 



7,160 



3,420 



2,220 



11,440 



163 420 







Cull grade 





 28,960 



1,260 

 1.980 



2,600 

 1,320 



320 

 280 



580 

 40 



160 

 40 



580 

 





 



5, 500 



Frozen grade 



32 620 







Total 



121,420 



15,680 



26,740 



12,060 



7, 780 



3,620 



2,800 



11,440 



201,540 



Weight of fruits: 

 Green grade . . 



Lbs. oz. 

 13,132 8 

 7, 848 12 



Lbs. oz. 



2, 277 8 

 542 8 



Lbs. oz. 

 2,543 12 



982 8 



Lbs. oz. 



2, 148 12 



666 4 



Lhs. oz. 

 681 4 

 863 12 



Lbs. oz. 

 227 8 

 373 12 



Lbs. oz. Lbs. oz. 

 400 3,051 4 



Lbs. oz. 



9A afi9l « 



Tree-Ripe grade 



102 8i 20 oil' 400 



Total merchantable 

 fruit 



20,981 4 



2,820 



3,526 4 



2,815 



1,545 



601 4 



502 8 3,071 4 35,862 8 



Cull grade 





 4,045 



143 12 



217 8 



361 4 

 223 12 



47 8 

 53 12 



70 

 6 4 



18 12 

 .6 4 



50 0! 



0; 



691 4 



Frozen grade 



4,552 8 



Total 



25,026 4 



3,181 4 



4,111 4 



2,916 4 



1,621 4 



626 4 



552 8 3,071 4|41,106 4 



i 1 



