The Tropical Agriculturist. The Agricultural Journal of Ceylon July 1930

of 240 241 Meeting of the Board of 'fee Research Institute of Ceylon Minutes of the Meeting of the Estate Products 180 Committee Minutes of 113 Meeting of the Food Products Committee Minutes of - 175 Meteorological Return 60 124 188 252 337 403 Mildew Leaf Disease of II evert Brost Itensis due to Oidium Hevea Sonic Observations on the - 80 Minutes of Meeting of the Board of Management of [...] AGRONOMIC METEOROLOGY A BRANCH OF AGRONOMICS Viewing the matter more particularly from an Indian standpoint we may say that the task of Agronomic Meteorology is to examine the effects of climate and weather on the area sown to different crops the intermediate links being the effects of climatic conditions on the area of land available for the plough the effects of climate and weather on the phys [...] A striking example of the dependence of population on rainfall is afforded 13y the general correspondence of the lines of population density in the pre-colony days in the Punjab with the isohyets or lines of equal (annual) rainfall. [...] In India the variations in the areas sown are hardly less considerable than the variations in the yield per acre and that both are important is shown by the following figures for the area and yield of wheat for the Punjab for the 24 years 1899-1922. [...] SUMMARY To sum sip the variation in the out-turn of crops in India is a dual problem of the variation of the areas sown to each class of crop and the yield of these crops per unit of area.