كتب ذات صلة

Upon some properties of soils, which have grown a cereal crop and a leguminous crop for many years in succession.

The relation of plant succession to crop production, a contribution to crop ecology.

Diversified farming in the cotton belt

Continuous cropping and tillage dairy farming for small farmers

• Work of experimental stations in 1909
  المؤلفون: Charlan, F. ,  Chevalier, O.
• The importance of rotations in tobacco culture
  المؤلفون: Chevalier, O.
• Experimental work carried on in 1908
  المؤلفون: Charlan, F. ,  Chevalier, O.