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Details for article 112 of 164 found articles
| Title: |
Organosilicone and alginate adjuvants evaluated in urea sprays foliar-applied to prune trees |
| Author: |
Leece, D. R. Dirou, J. F. |
| Appeared in: |
Communications in soil science and plant analysis |
| Paging: | Volume 8 (1977) nr. 2 pages 169-176 |
| Year: |
1977 |
| Contents: |
An organosilicone surfactant (L-77) and Na alginate were evaluated as adjuvants in urea sprays foliar-applied in spring to prune trees Prunus domestica L. cv. d'Agen which had received a maintenance soil application in winter of 300 g N/tree. L-77 (0.03% v/v) enhanced leaf wetting and reduced spray surface tensions to levels at which sprays could infiltrate stomata spontaneously, but 75 g N/tree foliar-applied as 4 × 0.5% urea/ L-77 sprays failed to increase leaf N concn or fruit yield. This was attributed to the low N application rate as 450 g soil-applied N/tree increased both parameters and as 400 g N/tree foliar-applied post-harvest with L-77 increased leaf N concn by 15%. Na alginate (0.02% w/v) did not alter the physical properties of the sprays and failed to enhance spray effectiveness. |
| Publisher: |
Taylor & Francis |
| Source file: |
Elektronische Wetenschappelijke Tijdschriften |
Details for article 112 of 164 found articles
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