An Index for Rating the Agricultural Value of Soils (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from An Index for Rating the Agricultural Value of Soils<br/><br/>The index is based on soil conditions alone independent of other physical or economic factors Which might determine the desirability of growing certain plants in a given location; hence it cannot be regarded as by itself an index for land evaluation. In the latter, other factors, such as variations in climate, availability of water for irrigation, facili ties for transportation and markets, social conditions, and the like, must be included.

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