Sudan Grass. 7 Region 2.—Sudan grass thriv.s horo almost a w. 11 aa in region 1, making good both of hay ainl ofned. Timothy, ¿krvw, ud alíalía, howavw, me«( «h«- hay reqviramenti ol tluH region BO fully that. Stniun grasa is valuad ààiAy im a catch crop or lor limiinl ciilturoon tdb notioitad to those forage a Region 3.—This comprises the region west of region 2, a ban tho rainfall is too low ior Iho Bucccssiiil ouUivatiou oí tiim.iliy and clovir. Sudan graaa coiiiinonlv makes one cuttitiii tui'lor suoh OonditiaoB, and in la\ orahlo eeasons two, yielding 1 to 3 tona ut hay to (ho acre. 1¡ nii.titurs in thi3rogionaroalfalfa,Borgh»ni> and tuilht, Alíalía i.s prefetnd to Sudan grass only in tho moro favored locations, suchas rivor and creek valloys or whoro irrigation i.s poaaibla. Tho In'ttor vadatkl of eorghum, snih as Red Amber and Orange, will outyi. Id Badán ¡¡ttÊÊ, but tho latter i* battac suit'd for pasturo purposes, produces a In'ttr <|iialily of hay, and is easier to handle with haying marhinery. Bead production, Ihoagb poaibla in most of thin region, is prodtaUo only in tho southern part.

Region 4.—Sudan grass yields ahundantly both in hay and in seed in all irrigated i ios in this roción; yiohls of 1 tool of hay to the aero aro not nnoammoil on good HtiiU. It is used chielly to suppletnonl alíalía in (he ratíona i f ln'rsesand dairy cattle, as a pure alfalfa hay ration seems to result in digestive disturbances, eqwdaUy in dairy ram.

Region 5.—In this part of tho I'nilod States Sudan grass is successful only in limited areas. Its failure except in thoaa locaUtiea il dna cither to low temperatures i by hiiih all iludes or to insudiciont, rainfall. Region 6.—In this Ngiaa, includinii Florida and (ho Ooaatal Plain alcn bott (ho Atlantic and (luli eoarta, Sudan grass is usually a failure, largely on account of the injury to tho foliage caused by rwtapot or Eotgmm hUht Region 7.—This is a region 100 to 200 miles wide along the northcni bord« of the United States. Sudan grass is nol pwÉtaMe lore, lcause oí theoool sunimers and short growing season.

Siiico its itttnuliK tiuii in 100S Sudan graaa 1ms become known in noarly every part of the United St utos and is now being gnnvu where it was at fint thought t.. l>o ■u holly qnediyted. Its short growing period penniteit to thrive ami make good eropa of hay as far north MBoathflrn Bfiohigan and New York. Throoghont the timothy and clover region, thongh it. may never become the leading Imy graM, it will bo used inure and more 88 a catch crop in plaeo of tho millets. In tho Rocky Mountain region (fig. 3, repon 6) the results are for tho moat paît Ttniavorahle except in the irrigated yallqya. At the higher altitudes untimely frosts and continued low (emperatnrea during the Mimiucr monthi [nvcludo a tUBoeadvi growth. Tho upper limits of profitablo hay production sein to bfl 6,000 to 8,000 feet in New Mexico, Arizona, a ml southern California ; .r).nno to (l.niio feet in Colorado, llah, Nc\a.la, and noithcrn California ; and 4,000 to 5,000 feet north «f those States. The altiludinal umita for seed production aro at least 1,000feet lower, ic-j.cdiv. Iv, than 1 host» named for hay,because under cool conditions if, takes a month or more to maturo seed after tho crop is ready to be cut. for hay.

DROUGHT RELATIONS.

That Sudan grass vail grow and prodnœ fair cropa in regions of low rainfall lias been demonstrated l.y initiieious tests in tho Groat