The San Joaquin Valley has vast areas of extremely productive soil which are difficult to work into seed beds free of objectionable clods. Several thousand acres of cotton, sugar beets, and vegetables have to be replanted each year, or suffer reduced stands, partly because of cloddy or crusty seed beds. Both the very large as well as the very small, frequently ignored clods can be troublesome. The method described here, called “aggresizing,” has been developed to completely eliminate objectionable aggregates of both kinds, and at the same time form excellent seed beds resistant to crusting.

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