cover image: The Tropical Agriculturist  The Agricultural Journal of Ceylon  September 1929

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The Tropical Agriculturist The Agricultural Journal of Ceylon September 1929

1929

According to an informative pamphlet issued by the Exective Council of the Imperial Agricultural Bureaux the functions of the bureaux will be the collection and distribution of informtion regarding the problems on which research is in hand and the general progress of the research work. [...] Nature of attack.—The attack of red weevil is commonly centred in the stems of young palms during the ages of about four and ten years the grubs (or larval stages) being responsible for the destruction of the internal tissues and the subsequent collapse of the palms. [...] Red weevil may follow the damage caused by other agents but the dying condition of the palms cannot be ascribed to the pest for decay of the bud takes place irrespective of the presence of the pest132 which is normally unable to gain access into the heart of the crown. [...] These micro-organisms fix the free nitrogen of the soil obtaining their energy for so doing from the soil organic matter and the carbon dioxide formed in the process makes available to the crop some portion of the mineral constituents of the soil. [...] (5) By green manuring the surface soil is supplied in a quickly available form with plant-food constituents obtained by the green manure crop from the soil and sub-soil."146 (6) By the growth of green manures the aeration of the soil is improved and the roots of the main crop are enabled to penetrate deeper into the sub-soil.
agriculture environment
Pages
68
Published in
Sri Lanka
SARF Document ID
sarf.120021
Segment Pages Author Actions
Editorial
129-130 unknown view
The Control of Red Weevil (Rhyncophorus Ferrugineus F.) in Coconut Palms
131-135 W.R.C. Paul view
Chemical Notes (6)
136-141 A.W.R. Joachim view
Rhynchostylis Retusa Bl The Fox-Tail Orchid
142-143 K.J. Sylva view
Green Manuring with Particular Reference to Coconuts
144-155 unknown view
The Empire Marketing Board and Agricultural Research in England And Wales
156-162 unknown view
Agriculture In South Africa
163-167 unknown view
Animal Husbandry
168-170 unknown view
Meetings Conferences Etc
171-172 unknown view
Board of Agriculture
173-175 unknown view
Tea Research Institute
176-181 unknown view
Departmental Notes
182-187 unknown view
Report on Hydnocarpus Anthelmintica Seed from Ceylon
188-189 unknown view
Reviews
190-190 unknown view
Animal Disease Return for the Month Ended 31st August 1929
191-191 unknown view
Meteorological
192-192 unknown view
Backmatter
i-ii unknown view

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