1921.] The Eighth Indian Science Congress. Ixxxvii 
papain prepared at Pusa, its digestive value and the conditions under 
which the maximum breed of the enzyme could be obtained are dealt 
reial Aspec _From the export figures of Ceylon of 1911-13 
and that of Meaitegrtaks 1916-17 it appears that there is already a good 
to Rs. 
product @ Rs. 9. From the y ield ap papain per number of 
per acre grown, cultivation changes, etc., the ae poe Ae is seinen to 
be Rs. per acre. The activity num of papain pr in 
Ceylon, Mexico, the Philippines, ete., and ‘las of that nl ss Pusa 
e compared. Som es of the commercial prepar ations, viz. 
ta 
A ee note on the increase of grape yield.—By 
. PRAYAG. 
In vem to increase the yield of grapes, the methods adopted i 
Ganeshkhind Bo ee Garden, Kirkee, from 1913, may be divided padi 
the following heads 
(i) Training a methods. (ii) Study of the pollen. {iii) sae of 
ock as affecting the yield. (iv) Manurial treatm 
l. Training methods.—Besides the usual method of training the 
grape, viz. the Single Stake system (in which each grape plant is trained 
i n re adopted 
es3 were: 
The merits or otherwise of the me s can be summar ollows :— 
(i) ee, — system has so far been found to give better yield 
the: It rem — P bed e be seen how far this system 
oe vald. iy Si on fi 
(ii) In the vue 1919-20 ns: ‘Oven hand 3 ystem has given 
times as much yield per plant as that. on Single stake in the 
po ang hacia the amount of space occupied being the 
e in each c 
(ili) The “Tanna a , has given a better yield than the — 
Stake system, but entails a good deal of manual labour 
: udy of the pollen.—In the Ganeshkhind igen 2 REO 
Kickce, s some varieties were found to have clusters w , 
eked as the Bhokti. ae aes of the pollen grains of 
i veal the characteristics not iced in 
trials of Ringing the can ot below or after the formation 0 
leaves See sb far failed. to give seen results in the case of the variety 
Pandhar op oe 
the trials at Nasik, Fakadi on Bhokri stock has given 2 Ibs. 
more ey ield faa’ plant than Fak kadi on ca — ots. 
treatment. — Amongst anures tried, a combina- 
tion of Fish got d Sulphate of Potash has ints ee aes results. 
Relation between the indican content of Java indigo 
(indigofera veda! bee the kinds of nitrogenous ma- 
nures.—By N. V. I. 
ultu - experiments on ma nuring of Indigo settee hee carried 
o ascertain the effect i the Se een nd in- 
fice 
cotlation of aitere nt nese organisms on the indican ceekont t of Sf ihe leaf. 
For this purpose Indig: as been grown Gade controlled conditions in 
