Issued free to Members, C.A.S. 1 f To non-members Re. 1 per copy. 



For Rules &c, seepage I. J \ Or R s . 10 per annum. 



REGISTERED A.S A NEWSPAPER. 



Vol. XXXIX. No. 1. 



NEW SERIES. __>„sfe_*__ JULY, 1912. 



tropical Agriculturist 



[Founded by J. Ferguson, c.m.q., f.k.a.s., f.r.c.i., in 1881.] 



AND 



OF THE 



Ceylon Agricultural Society. 



With a Supplement. 



CONTENTS: 



Page. 



A Rubber Catechism ... ... ... ... ... l 



The Future of Rubber Prices ... ... - ... ... ... 3 



Rubber Trees in Times of Drought ... .., ... ... ... 4 



Hevea in Java ... ... .. ... ... ... 5 



A Million Acres of Plantation Rubber ... ... ... ... ... 7 



The Coconut and its Commercial Uses ... ... .„ ... ... g 



A Visit to the First Indigo Factory in Ceylon ... ... ... ... jg 



Statement of Actual Results of Indigo Manufacture at Lagos Estate ... ... ... 20 



Edible Products.— Paddy Cultivation in Ceylon during the XLXth Century, 21 ; The Pa'myra Palm 

 and the Value of its Nuts, 25 ; The Culture of Maize, 25 ; Cultivation and Preparation of Ginger, 

 26; Yams, 32; ... ... ... ... ... ...21-36 



Timbers. — Felling Trees and Blowing Stumps with Dynamite, 37 ; On the Production of Seed for 

 Forest Trees, 38 ... ... ... ... ... ... 37.39 



Horticulture. — Hints on Exhibiting ... ... ... ... ...39-44 



Plant Sanitation.— Pink Disease in Java ... ... ... ... ...44-45 



Livestock. — Poultry Notes, 46 ; Home Remedies for Live Stock, 48 ... ... ... 46-54 



Scien tific Agriculture. — The Phosphate Nutrition of Plants, 54; The Direct Assimilation of Inorganic 

 and Organic Forms of Nitrogen by Higher Plants, 55 ; Is Humus a Direct Source of Carbon for 

 the Higher Green Plants ? 56 ... ... ... ... ... 54.56 



Education. — Courses in Agricultural Colleges ... ... ... ... 56-60 



Miscellaneous. — The Status and Future of the American Agrouomist, 61 ; Development of Agri- 

 culture in Kamerun, 67 ; Agricultural Exports from Zanzibar in 1910, 67 ; The Imperial Bio- 

 logical Agricultural Institute at Amani, German E. Africa, 68 ; Philippine Expositions, 69 ... 61-70 

 Corresjiondence. — Plantation Rubber Estimates ... ... ... ... 71 



Supplement ... ... ... ... ... ... 73.96 



The Index will be found at the end of the Magazine. 



Colombo : 

 A. M. & J. FERGUSON. 



