| Show kelt kele WATER IN SOIL excellent method given to ascertain I 1 capacity long necked battles arranged with bottoms bottom off and cheese cloth over mouth will tell how much moisture Is retained wy it j CROSBY to ascertain tho the capacity of solla soils to take in ili rn rainfall break tho the bottoms off five long lone necked bottles tac n u plead of cheesecloth or thin muslin over tho the mouth of f each and arrango a them in a rack with a glass tumbler under each one fill the bottles to about tho the name height with different kinds kanda of toll noil and firm the solli sells by lifting tho the rack and jarring it down moderately throe three or four times to break the bottom off of a bottle file 0 groove in tho bottle bottig parallel with the he bottom heat a poker red hot ind nd lay it in the groove As soon as ft a small crack starts from the groove draw the poker around the bottle and the iho crack will follow when bhea all Is in in readiness take watch cratch or clock la in hand and with a apparatus to test capacity of soils to take in rainfall glass of water held as near as aa possible to the soil boll pour water into one of the bottles just rapidly enough to keep the surface of the soil covered and note how long before it begins dropping into the tumbler below make a record of the time do alke ilk 1 I t wise with each of the other bottie bottles nd and compare results note which soil sell takes in water most rapidly we ill all know what happens to nonporous soils when a heavy beavy shower of rain comes to ascertain which soil would store up the greatest amount of moisture we weigh agh each bottle before and after riling filling it with dry soil and again after the water has haa entirely ceased drip pint from it the difference between the weight of the dry soil sell and that of df the wet soil Is the weight of water stored during the time that the bottles are dripping they should b be e covered to prevent evaporation of water from the surface of at the soils |
