Show ITILE TILE DRAINAGE PLANS three systems easily laid out cut by the fanner farmer belt big plan PI to combine water from alt all drain into a single ale main having but on opening come of benefits derived iby by arof C P NO tbt arrangement of a drainage ten lem has a great deal to do with th coet cost of construction as well as its it ef licie fic loncy ncy there are three systems bach can easily be laid out by farm arm rt ri and tho the drawings drawl nga accompanying inis lots article show how they aro are to be aid laid out one system fig 1 I Is that in which Ister laterals als enter a maan tile from the sides at an angle it the angle approaches pro aches closely to a right angle each lateral should be given a slight turn toward the mouth of the main befaro entering it in order to make the a I 1 ter entering the main run ue us nearly parasol to tue the main as possible in a dral drainage Lage system fig 2 where the length of aline of tile exceeds aw or 1000 feet the size of the tile at t the loner loer end should bo be increased in many instances each line of tile la is made to empty empt into an aps ops open n ditch this save the expense tood cvrk of laying the main tile hocevar Hoc licit ever zever the difficulty of keeping so many open inge ings free from obstruction ie Is usually so great that it pays better to corn com bine the water from all drains into a tingle single main haying but ono one opening in using this system the lines of tile should of course run with the slope of the land rather than across it the grouping system of drainage fig 3 Is used where the land ie fit ir t j figure 1 figure 2 r in contour and has ha depres lone lions needing drainage with higher land nd beef between elj not requiring draim av much lluch larid jarid Is so situated that a great benefit come to it with fth a very dinall ith this estt m acme of he the important benefits of drainage muy he be briefly summarized s follow a it removes surplus wan r and nd makee makes ruca for nore more capillary water ous t ita it a erv asing 1 the supply available to plant roots it make possible the storage t large quantities of 0 moisture against drought it makes a better eel for mulches und prevent tnt wante waste of moist ure by surface evaporation it prevents washing and hold holds ter in n the tile sou oll anil and u its it ta for or water lt U improves th tho texture of the tile soil sell and seta sets trie urich witch plant plantford food that would otherwise nut lot be available av V figure 3 very often tough clay iolla bolls triny be made friable by drainage 11 a and to re with increased crops producer early soils and large root because a water soaked eoll soil Is very alow slow to become warm in the spiking while well drained soil warma warms quickly thie this insures a vigorous root system consequently better crops develop the root hastern by loer wier ing the water table because root roots can not grow below the water ater table |