The Montgomery advertiser., 1906-08-13

phoric acid in untreated mineral phos- phate is valued at two cents and the .ie material after treatment with acid at more than double that price. so the soil minerals once taken up by
 plant and rendered sola5le. .s.h liks ,ss,rie 1he acid, are greatly enhanced in value Even if a green manure crop leaves in the soil no potash and phosphoric acid that it did not find there. it leaves them, neverthel $, in a more availa- ble form for following crops; # has in sense manufactured an acid phos- pate.
 the results of the experiments made, as summed up in the bulletin.
 Crimson clover, tops and roots, thir- ty days before full bloom weighs from thirty-seven per cent. to sixty per cent. as much as at full bloom. and Is on an avarage just half grown.
 under of the clover is probably profit able. to be Tn a more available form.
 The proportion of roots to the whole plant ranges from twelve per cent to fifty per cent The The pTonort.Cn 'I,o an parent conn ection with the stage of 1rovth sometir- increasing, some times diminishing toward full bloom.
 The air-dry matter or the tons ranges from fourteen per cent. to cr.ass slirhtiy toward full bloom.
 Tine yield of nitrogen from the en- tire plant ranges from iss to lSs pounds per acre. In one sxceptionai
 The yield of nitrogen thirty days be- Nora full bloom is from one-halt to fourteen fifteenths of the yield at full bloom.
 accustomed to it seems to get it's ni- frozen comparitively early Tn It's growth and so to gain little during the last month
 Crimson clover grown on soil Tor the first time seems to gain nitrogen siowiv At first and so to gain relative ly much during the last month.
 on soil long accustomed to crimson clover the loss of nitrogen from early blowing under is likely to oe smaii. time the loss of nitrogen may be con siderable. but 1t is often counteroal- anced by the greater convenience or the early blowing:
 Of fine total nitrogen In she plant In some eases as little as twelve per cent. is in the roots and sometimes as much as fifty per cent
 Inere is little apparent connection b tween the stage of graWtn ana tne SistrShution of nitrogen between the Sn an avarage about one-fourth of the total nitrogen in the crop is under ground. Where crop or clover is cut for hay or seed; tne ne. % HasI %rnaEInS S if average thirty-five or forty per cent of the total nitrogen - The percentage of nitrogen h the tops Arons or, an average about one per cent ana thst in tha roots about ons-thiTd per cent during the thirty days preeeoln9 len DLooil,. ,l Not all of the nitrogen ronn ,h ,s apsw.' nitro. zen assimilatsd from the atmosoness: n pu' some of 1t and in certain , .he Ipo,i and ,hus ren9ssentn no grain in nitrogen fertilizer RMhsra erinnson clover gains hut little nitrogen during its rnneh 1aseh nerbapS' most of tts uftroren is not new" but ia merely workeS ,Se n.sF0e over from the supply previously ''Sss1 of the S W total nitrogen in the tons about ,vyo-s,fths ia in the stems and the remain der about equally diviaso between 'A" rear
 After full bloom the nitrogen continues to move from the stem towards the blossom. the latter becoming the riehsSt part oh tne
 The potash in crimson clover varies greatly in amount. m some csses SS much The yield ranged from sixty-three to is5 bounds per acre. and in an exceptional case Ths z's sraoTnt of potash usually increases during the last thirty days before full Oi9Tna' Tha percentage of potash in the tops iu always higher than that in the roots. with little connection between the two.
 (1S tha total potash in the plant the roots contain hae from four per cent to twenty-seven per cent, and on an average or aooat seven
 The total phosphorlc acid in the entire plant ranges from eleven 10 tnirty-sagni pounds per acre. The percentage or phoS- phoric actd Is rather uniform
 During Nths thirty days preceding full bloom the clover gains in the money value of nitroSen alone from S0.st to Ss.oT per
 The total money value of the nitrogen alone in the matured crop IanEss rom ti6.Ta to a5a.54, and that of nitrogen. pot ash and phosphoric acid together From s2o.57 to ss2.sS per aers''-ExehanR@