Show organic matter rids cropland of bacteria viruses prevent plant diseases from spreading by it 0 thomas thoma ohio state college few disease causing bacteria will survive in soil whose organic matter supply has been built uby the use of green manure crops and the return of crop residues and manure those that do live are so changed that they are no longer a menace to crops extracts from soil rich in organic matter contain viruses that depend tor for their existence upon living bac terla these viruses are especially espe cl ally numerous in organic matter added addon righting fighting bacteria with application of organic matter to the soil through residues from grasses grasse s legumes and grain c crops when these viruses come in contact with plant disease form forming ing bacteria they have a profound influence on them changing the form of these bacteria and making them harmless so far as plants are concerned the intensity of com competition 0 n for food materials and life itself amo among ng organisms inhabiting soil particles are indicated by the tact fact that a single ounce of soil has an estimated living population of 50 million bacterial cells besides many forms of fungi added to these are five million protozoa as well 2 as other forms of organisms benac beneficial a bacteria thrive best in soil well stocked cocked with organic matter and tend to crowd out out the dis ease causing kinds blankets for turkey hens bens may prevent serious losses from it tears ears and bruises during the ile mating abing season this one was designed by cornell university metal nipple bucket 4 N I 1 atuaia Aw the metal nipple bucket waa wa proven satisfactory for or feeding young oung calves by montana agrical agri cul ural tural experiment station the buck et t is six inches in diameter seven inches high and is graduated in pints lints by indentations in the metal one me inch apart which serve as a guide aide to the feeder in determining the he amount of milk to feed the tipple nipple is vh inches long made of vi inch copper tubing soldered secure ly y into the bucket as shown it la is bounded at the end with solder precautions advised to prevent hog flu to keep flu from getting star started ted iowa state college recommends that hogs be brought in at night from hogged down cornfields cornfield Is to keep them from rom getting chilled overcrowding should be avoided quarters should be planned 1 so a that sufficient space and adequate equipment will be available during bad weather but the buildings should not bo be shut tight making makine hogs tea warm |