LIFE O^s" THE FARM. 



Superphosphate has been proved to be of little or no 

 use to other crops grown separately, except in the case of 

 turnips, where about eight tons per acre have been pro- 

 duced by the use of superphosphate ; the produce with- 

 out manure at all, being one to two tons per acre. 



Ammonia Alone* The average produce with ammonia 

 salts alone has not been very much greater than that on 

 the unmanured plots. The principal differences are in 

 the grasses, which have diminished as to number of spe- 

 cies, but largely increased in proportionate amount to 

 the other plants. Agrostis vulgaris, and especially Fes- 

 tuca ovina, both poor grasses, are so greatly favored, 

 that they constitute the bulk of the crop, while other 

 better grasses have diminished, even Dactylis glomerata 

 not being by any means prominent. Ammonia salts are 

 not propitious to any of the Leguminosae, but Lotus cor- 

 niculatus has had slightly the advantage over the others. 

 Among the miscellaneous plants which, like the Legu- 

 minosse, are well-nigh banished, Rumex Acetosa had the 

 advantage ; Conopodium denudatum also seems to have 

 benefited in some seasons. The crop is generally moder- 

 ate, of a rich, green color, and late in ripening, with 

 much foliage, and relatively little tendency to flower. 



Nitrate of Soda alone. The general results of the ap- 

 plication of this salt have been an increased proportion 

 of grasses, particularly of Festuca ovina, Alopecurus pra- 

 tensis, Holcus lanatus and Poa trivialis, P. pratensis 

 being scarcely represented. There is in general not 

 much tendency to form stem among the grasses. Legu- 

 minosse exist in but scanty proportions, but among them 

 Lotus corniculatus seems to have slightly the advantage. 

 In the case of beans grown separately, nitrate of soda, 

 unlike ammonia, is found to be beneficial. Among mis- 

 cellaneous plants, Rumex Acetosa and Gentaurea nigra, 



