Show SOIL SERVES AS A STOMACH Expression Available Plant Food Is Explained by Expert of Missouri Missouri Mis Mis- College I Every render reader of a farm paper must have hae encountered frequently the expression expression ex ex- ex- ex pre sion a available plant food As defined by R. R It R. Hudelson of the University University University Uni Uni- of Missouri College of Agriculture Agriculture tu ture e it means the lie plant food which will readily dissolve olYe In the soil solI water so 80 that the plant can take tali It up In Inthe Inthe Inthe the animal stomach th there re are certain digestive fiul fluids s that dissolve the food so that It can be ab absorbed orbe Into the blood bloo stream The foil Boll must serve as asa asa a n stomach for plants and as the plant food dissolves In the soil water it is absorbed into the plant juices and moves up through the plant where Itcan itcan It Itcan can be use used The extra water evaporates evaporates evaporates rates from the lie leaves and moves up giving a constant circulation From this it can enn b be seen that only dissolved plant food foo can be he use used Almost all soil soU materials can can can-be be dissolved c to a slight extent but often the rate of dissolving is too slow |