INDEX TO PAPERS ON PLANT SUBJECTS IN YEARBOOKS. 



Extract. 



Apples, temperature for keeping in storage 317 



time to pick for cold storage 317 



varieties for commercial purposes 230 



value, influence of cold storage 317 



Arid region of United States, conditions in soils 29 



See also Semiarid regions. 



Arkansas, diversified farming 377 



Arlington Experimental Farm, testing gardens for plant intro- 

 ductions \ 384 



Art of seed selection and breeding, paper 446 



Ash trees for home place 284 



Ashes, coal, for carnations 290 



Asia, eastern, relationship of fruits to those of America 21 



Asparagus for truck farming 459 



new rust-resistant, development 441 



Atlantic Coast States, truck farming 459 



seaboard, truck lands 28 



Avocado as a promising fruit crop 394 



budding 394 



Chappelow, history and description 429 



description of fruit and possibilities of market 242 



marketing 394 



orchards, extent 394 



propagation 394 



Trapp, history and description. 399 



uses 394 



B . 



Bacilli, varieties present in soils 411 



See also Bacteria. 



Bacteria and the nitrogen problem, paper 277 



cultures, distribution and methods of use 277 



distribution of inoculated soil 411 



inoculation of soil 277 



improved method 277 



pure cultures 411 



nitrogen-gathering 277 



336 



root-nodule, value 411 



varieties and efficiency 411 



soil, chemical function 411 



fixation of atmospheric nitrogen 411 



tubercles 277 



effect 277 



microscopic appearance 277 



See also Bacilli and Nitrogen. 



Bags for saving tobacco seed 358 



Bailey, Liberty Hyde: 



Paper entitled "Sketch of the relationship between American and eastern 



Asianfruits". 21 



" The improvement of our native fruits " 77 



Banana, importance of crop in Porto Rico, etc 242 



Banner grape, history and description 429 



Bark disease of chestnut 463 



[Cir. 17] 



i ear- 

 book. 



Page. 



1903 



230-231 



1903 



231 



1901 



596-599 



1903 



235-236 



1894 



155-164 



1905 207-212 



1905 



298 



1907 



221-236 



1902 



511 



1902 



562 



1894 



437-442 



1907 



433 



1907 



141-142 



1907 



425-434 



1894 



129-143 



1905 



439-444 



1905 



441-443 



1906 



363-365 



1901 



354 



1905 



443-444 



1905 



444 



1905 



441 



1905 



508-510 



1905 



440-441 



1906 



128-130 



1902 



333-342 



1902 



341-342 



1906 



134-135 



1902 



339-340 



1902 



340-341 



1906 



135 



1902 



336-337 



1904 



123-125 



1906 



132-135 



1906 



133-134 



1906 



128 



1906 



130-132 



1902 



337-338 



1902 



338-339 



1902 



338 



1904 



448-449 



1894 



437-442 



1896 



297-304 



1901 



354-355 



1906 



361-362 



1907 



489-490 



