294 



Dayton says, contrary to all ])r('cc(l('nt, sui)erj)liosphate liavinji' Ixmmi 

 the ruling' clcincnt on all ciops upon his farm in ]>re\ious years." 



Canada anhcs, domcsiic ashes, dissolcid iSouth Carolina rocl^ (oid 

 Or cMUa guano (])p. 137-140). — This is a eomparisou of these materials 

 on th<' farm of Mr. A, P. Arnold for 5 years, the rotation <tf crops 

 being the same as that given above. One hundred bushels of the 

 aslies, 1,000 pounds of the rock, or 1,000 ixmnds of the Orchilla guano 

 per acre were each used on one ])]at. The results are tabulated lor 

 each year. "The best yiehls were secured from the large dressings of 

 Canada ashes." 



Fertilizers on oats (pp. 140-141*). — On two ditlerent farms ex]ieriments 

 were made in wliich 150 pounds of muriate of potash and 300 pounds of 

 dissolved b(»nel)lack i)ei- acre were used alone or combined on 3 tenth 

 acre i)lats, and 1 jilats remained unfertilized. The results are tabulated. 

 '■*■ Owing to the unfavorable conditions existing this year very little has 

 been gained by these experiments, and a fnrtlu'r study (»f this crop will 

 be made." 



Fertilizers on potatoes and sihKje eorn {\)\). 142-14<l). — Field exper 

 iments to t»'st "(I) the elfeet (»f potash when nsi-d alone; (!') the rela- 

 tive ellect ol' e(|nal weights of actual ]>otash derived fiom muriate of 

 potash and from kainit: an<l (3) tiie elfeet of c(nnnM)n salt." were mad«' 

 on the college farm and at se\cn other farms in the State, four exjier- 

 inients being with corn and four with jtotatoes. The plats at the col- 

 lege farm were one twentieth-acre each; those in the other e.\i>ei iments 

 one lentil acic each. In the corn e\]»eriments muriate of jxttasli ir»0 

 ami -!<>() jiounds, kainit (ion and SIX) pounds, and eomnion salt L'OU aud 

 L'.IO pounds ]»er acre w«'re each used on one plat, three plats lemaining 

 u n lei till /eij. in the potato e\]ieriments the treatment of tlu' plats was 

 \cry similar, llie experiments were inconclusive. The season wa- 

 very uiifa\(uable and tlie potatoes sulfered Irom the rot. 



Plios])liatie/erfilizers<ni irlieat (])]). 147-1.")!). — In response to a request 

 from the Salem County l>oai(l of agrieultiire. ex|»erinients were ]»laiiiied 

 to test t lie relatix (' \ alue of like amounts of ]»hos]»horic acid in tlie loriii 

 »>f boiieblack ()r South Carolina rock, and wlieat was selected as the 

 cio)». 'i'lie experiments were carried out on four farms in Salem County 

 ami on the colh'ge farm. "The farms in Salem County are all under- 

 laid by marl beds." From (I to It tenth-acre ]»lats were used in each 

 ex])criiiicnt. A mixture furnishing 1") i»ounds of nitiogeii and L'O 

 ]>ou.mls of potasli ]»er acre was ai)i>li«Ml (Ui all the ]»Iats. In addition t<» 

 this. .">.">0 pounds of boiieblack (containing 10. Ol' ])er <'ent a\ ailablr plio- 

 ldioi ic acid) or 1 10 pounds of dissoh cd S<uith Carolina rock (contain 

 iiig 12.40 ]»er cent a\ailable ]»lios]»horic acid) were aiijjlied on all the 

 ])la<s except two or tiiiee. wliicli recei\t'(l no pliospliate. Tlie yield-- 

 and linaiicial results are tabulate(l Ibr each exi>eriment. ''Tin' value 

 ol" croi»s on t liose ]»lats lertili/.ed with |)liosphoiic acid from either bone- 

 black or South Carolina rock were piacticall\ identical. The widest 



