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Bulletin Volume 701-725 (Paperback) Loot Price: R903
Discovery Miles 9 030
Bulletin Volume 701-725 (Paperback): United States Department of Agriculture

Bulletin Volume 701-725 (Paperback)

United States Department of Agriculture

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Loot Price R903 Discovery Miles 9 030 | Repayment Terms: R84 pm x 12*

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: ...and sprays applied early in June have invariably 62859--1---bull. 712 2 resulted in injury. In some cases intense burning sunlight has not occurred until fully two weeks after the spraying was completed, but still severe burning of the fruit resulted. The adoption of adequate spraying methods is largely dependent on the safety with which they may be used. The data secured on injury in connection with the use of various sprays during the course of the experiments reported below will therefore be of value in pointing out the weather conditions under which burning occurs, the type of injury resulting, and the time at which the sprays may be safely applied. These data are presented in connection with the experiments herein reported. ORCHARD SPRAYING EXPERIMENTS.1 The orchards used were adjacent to each other and for the purposes of this work can be considered as one. The trees used were a solid block of the Pryor Red and Jonathan varieties, the experimental plats each consisting of adjacent rows of seven trees each, while the Black Ben Davis plats comprising a like number of trees were located in double rows extending across the orchard. The trees were 14 years old at the beginning of the experiments in 1915. The Pryor Red trees have a very open habit of growth, and although they had been cut back severely to bring them into more workable shape they still had a spread of about 30 feet and were about 30 feet high. When in full foliage they required about 25 gallons of spray material per tree. The Black Ben Davis trees were not spread out as much, but were more compact and dense. They required about 20 gallons of spray material each. The Jonathan trees were smaller than those of the Black Ben Davis and more open, requiring about 10 to 15 gallons of spray mat...

General

Imprint: Rarebooksclub.com
Country of origin: United States
Release date: May 2012
First published: May 2012
Authors: United States Department of Agriculture
Dimensions: 246 x 189 x 21mm (L x W x T)
Format: Paperback - Trade
Pages: 394
ISBN-13: 978-1-236-18993-6
Categories: Books
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LSN: 1-236-18993-0
Barcode: 9781236189936

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