Show humus needed the amount ot of water a soil boil will hold against gravity depends upon the type of soil A clay soil composed of fine particles with very am small all spaces will retain more water than a coarser bandler soil composed of larger particles and larger spaces also tho the amount of humus or decomposed organic matter in the soli soil influences capacity the more in ore the water holding humus in the soil the more mor e water it will hold pro providing g tho the soil par particles nicles aro are of 0 similar size |