. The effects of desiccating winds on citrus trees . I Fig. 15.—Young grapefruit leaves collected at Meloland, Imperial County, 17 days after a windstorm on March 22 and 23. The leaf at the left was not injured; the others show dead areas at the tips or margins. articulata) windbreak along the west boundary protects 35 rows, leaving 17 rows unprotected. Many of the grapefruit trees in the first two rows adjacent to the windbreak had suffered from the root competition of the athel. In 1927-28, when these trees were four years old, the yields from the west 15 trees in each row were measured and


. The effects of desiccating winds on citrus trees . I Fig. 15.—Young grapefruit leaves collected at Meloland, Imperial County, 17 days after a windstorm on March 22 and 23. The leaf at the left was not injured; the others show dead areas at the tips or margins. articulata) windbreak along the west boundary protects 35 rows, leaving 17 rows unprotected. Many of the grapefruit trees in the first two rows adjacent to the windbreak had suffered from the root competition of the athel. In 1927-28, when these trees were four years old, the yields from the west 15 trees in each row were measured and graded separately. The 525 trees protected by the windbreak produced an average of boxes of fruit per tree, of which 70 per cent was Fancy, 27 per cent seconds, and 3 per cent culls. The 255 unprotected trees produced an average of boxes of fruit per tree, of which only 57 per cent were Fancy, 37 per cent seconds, and 6 per cent culls. According to this record the protected trees yielded 51 per cent more fruit and of much better quality, than the unprotected trees.


Size: 2147px × 2329px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., book, bookcentury1900, booksubjectcitrusfruits, booksubjectplants