This year, the type of manufactured superphosphate used in aerial application contained about twice the amount of phosphorus as ... In hoop pine plantations, the prospect of improved cost effectiveness and increased tree growth using improved ... The use of controlled droplet applicators which will greatly reduce the cost of application and the arduous manual work involved is also being investigated.
Title | : | Forestry, Annual Report |
Author | : | Queensland. Dept. of Forestry |
Publisher | : | - 1976 |
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