1911
DOI: 10.5962/bhl.title.37185
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Relation of calcareous soils to pineapple chlorosis

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Cited by 7 publications
(9 citation statements)
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“…Some years later Johnson (1916) discovered that high manganese rendered soil iron unavailable to pineapple plants and reported that sprays of iron sulphate would cure the problem. Johnson may have discovered the cure independently or he may have read of a similar lime-induced chlorosis problem of pineapple in Puerto Rico that was cured with iron sulphate sprays (Gile, 1911). Hoyt, an HPC employee, developed a mule-drawn sprayer to apply the iron sulphate solution and this ushered in the era of foliar fertilization of pineapple (Larsen and Marks, 2010, p. 150).…”
Section: Rise Of the Commercial Hawaiian Pineapple Industry-20th Centurymentioning
confidence: 99%
“…Some years later Johnson (1916) discovered that high manganese rendered soil iron unavailable to pineapple plants and reported that sprays of iron sulphate would cure the problem. Johnson may have discovered the cure independently or he may have read of a similar lime-induced chlorosis problem of pineapple in Puerto Rico that was cured with iron sulphate sprays (Gile, 1911). Hoyt, an HPC employee, developed a mule-drawn sprayer to apply the iron sulphate solution and this ushered in the era of foliar fertilization of pineapple (Larsen and Marks, 2010, p. 150).…”
Section: Rise Of the Commercial Hawaiian Pineapple Industry-20th Centurymentioning
confidence: 99%
“…Pineapple chlorosis has also been known in Puerto Rico from early times, as shown in works done by Gile (25) since 1911, and by Henricksen (31,32) in 1925. Similarly, pineapple chlorosis was also known in Hawaii as shown in the experiments of Kelly (50, 51, 52, 53) from 1909 to 1914, also of Wilcox andKelly (85) in 1912, and of Johnson (45,46,47,48,49) in 19.16-1924. This yellowing is a source of considerable loss.…”
Section: I-introduction *mentioning
confidence: 92%
“…Johnson (45) in 1916, however, traced the pineapple chlorosis as due to manganese toxicity with a condition of low or no iron absorption, and found that spraying with iron sulphate solution counteracted' the effect of high manganese present in the soil. On the other hand, Gile (25) found that this spraying of plants had to be repeated so often that it was not economically practicable.…”
Section: B Researches On Nutrition Of Pineapple Plants As Related Tomentioning
confidence: 99%
“…Calcium-induce d chlorosis of spinach was corrected by• external application of manganese, according to Gilbert and McLean (5). In other instances, external treatments of iron have corrected calcium-induce d chlorosis of pineapple (4).…”
Section: Experimenta L Workmentioning
confidence: 99%