Show inoculating soil to help legumes some of strains required for successful culture of many plants prepared by b the un united 1 tea states state department of acri agriculture culture when to inoculate the soil for it begu legu legume ne and when to depend on the presence of the necessary bacteria at ready in the soil has puzzled ninny many farmers it la Is true that soils soil in many 81 sections of the country are well inoculated with one or more of the strains of bacteria required for successful culture of some boino of the legumes and at the same ume poorly provided with the lie bacteria needed hy by other legume crops tits studying the str strains altis or of bacteria that work in the roots of legumes have identified seven common groups and the members of each group are for the roost most part capable of inoculating several species of legumes alfalfa bacteria one group listed by bacteriologists of the united states department of agriculture Lic includes ludes tho the alfalfa bacteria which are also capable of inoculating arting bitter clover button clover california bur clover fenugreek southern bur clover white sweet clover yellow sweet clover and yellow trefoil introduction of alfalfa into some of the areas west of the mississippi la Is relatively easy because the soil ts Is naturally inoculated with the pro proper bacteria the ret re t clover bacteria will also inoculate al alllice slice clover crimson clover hop clover low hop clover mammoth red cloyer clover rabbit foot clover and white clover vetch bacteria inoculate the C canada anada field pea common retch garden pen halry hairy vetch broad bean ho horse arse bean lentil narrow leaf vetch etch purple vetch and sweet pea the garden and navy bean bacteria are interchangeable the lupine bacteria inoculate the blue lupine the sundial wild lopint and the european yellow lupine cowpea bacteria the legumes inoculated by the cow pea bacteria are the cowpen cowpea florida beggan veed jack bean japan clover kudzu lima bean partridge pea ennui en nut pigeon pea tick trefoil te pary ary bean and deering velvet bean the soy bean unlike the foregoing Is associated with bacteria not related to any of the commonly known strains this together with tile the filet that soy bp baans ns have been grown extensively ten for only twenty the five years jours in this country indicates tile the sity for artificial I 1 inoculation n on siire eliere ov beans are g grown rown forath forli I 1 9 e 1 first time it if the crop rotation Is planned a year or more ahead und and it Is desired to introduce a legume not hitherto grown it Is possible to make a test planting and determine whether tile soil contains the bacteria for the crop tills this will he be by the presence of the nodules on the roots of the plants in the test plot |