18 



first period of six months with two cuts on ^ tree, alternate days, 

 and then on one cut on f tree daily. The yields of No. 1 latex and 

 scrap rubber were recorded and the figures given below are the 

 weiglits of wet crepe, weighed 15 hours after machining. 



Plot No. 1, 10 acres, 1,015 trees, 1 ton basic slag per acre and 

 forked 22nd to 30th July, 1915, cost HS.68 per acre. Crop for first 

 six months, 860 lbs., second six months 985 lbs. (showing an increase 

 of 125 lbs.) ; third period of six months 1,264 lbs., daily tapping 

 as previous period, increase of 404 lbs, over first period. 



Plot No. 2, 10 acres, 1,017 trees, one ton lime, 10 tons crushed 

 limestone per acre, and forked, August, 1915, costing $131.50 per 

 acre : crop, first six months, 1,068 lbs. ; second six months, 1,134 lbs. ; 

 third six months, 1,416 lbs. ; increase over first period, 348 lbs. 



No 3 plot, 10 acres, control plot, forked 1915, 1,460 trees : crop, 

 first six months, 1,439 lbs. ; second six months, 1,640 lbs. ; third six 

 months, 2,056 lbs. ; increase over first period, 617 lbs. 



Girth measurements of all the trees at three feet from the 

 ground were taken in February, May and November, 1916. The 

 average girth of the trees in each plot on the different dates was as 

 follows : 



Mr. L. MooiJART said that as to manuring he once sent a sample 

 of soil to Ceylon and was advised to put down a large amount of a 

 certain mixture, and up to date he had not got much more from that 

 plot than from any other. (Laughter). 



Mr. G, H. Bennett .- May I ask how much per acre was used ? 

 (Laughter). 



Mr. MooiJART : I am sorry I have not come prepaied to tell 

 you that. 



The Chairman reminded the meeting that the time was short 

 and that they might go on discussing just for the time available. 



Mr. Prior said that he understood Mr. Spring to deprecate the 

 idea of contour draining as against terracing. He wished to know 

 what system of contour draining he had in mind. Was it the old 

 Ceylon system ? 



Mr. Spring : I meant hill'land. I do not know the Ceylon system 

 but the one I referred to is 1 in 25. 



Mr. Prior : The old system in Ceylon draining was on the scale 

 of 1 in 20, which carried a lot of water to the valley down below. 



