Propellers of manganese bronze
๐
Article
๐
1883
๐
Elsevier Science
๐
English
โ 63 KB
## Nitrogen in Soils. -& I3. L,~wes, in a long eonlmunie,~l.tion upon agriculture, advocates the opinion that tile soilree of all tile nitrogen which is contained ill erol)s is {}mild lit tile soil itself and ill the manures which are SUl/plied. Although the experiments at ]~othamsted may not yet h