1918.} The Fifth Indian Science Congress. ev 
where increase ix yield commonly results from an increase in 
ginning percentage, the amount of plant food removed from 
the soil should be approximately the same whether the old 
mixture or the improved strain is grown 
do not wish to be understood from these remarks as 
intending to belittle the value to Indian Agriculture of plant 
breeding and the distribution of improved varieties. There 
is, however, a danger that the very striking results which have 
obtained from this kind of work within the past ten years 
will make both scientific workers and the general public in 
India blind to the immense importance of other problems 
which face us, problems which, in many cases, will require the 
had u 
of Se Acaiinee in India has been turned towards this ques- 
tion many times, but that body has not been able to reach any 
very satisfactory conclusions. Prohibition of export is a 
measure which seems too drastic, and even the imposition of 
an export duty would be certain to meet with serious if not 
insurmountable opposition. The present, however, when a 
Practical prohibition of export ae is a most favourable 
°pportunity for popularizing the use of these valuable pro- 
ducts of indian soils. We all trust that the conditions which 
ve forced the present prohibition upon us will never recur, 
but it would, I submit, be almost criminal negligence on our 
Sugarcane is being o in Mysore State, and if the 
Success already achieved can be taken as a ew 0 
See within the next five or six years practically the whole of 
eff in our pes! yields sab one hundred per cent will be 
ted within the next ten yea 
ae This, however, is only one of the manurial resources which 
iaer aa idered. The knowledge of, our Tesoanee? 
more especially of phosp 
complete, nor nor sen Government ay up seriously the questio ~—e 
