Acres 1984
Sound and Nutrients in Agriculture
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Acres 1985 
RECORD CROP UNPROVEN  
TO FmHA LENDERS OF LAST REPORT 
- Christopher Bird
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Acres 1985
SEEDS, SOUND & NUTRIENTS
 . . . PUEBLO PROGRAM
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Acres 1985
SEAPONICS & SONIC BLOOM . . . or SOUND AND NUTRIENTS
- Christopher Bird
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Acres 1986 
A MODERN GABRIEL 
. . . AND A HORN OF PLENTY - Christopher Bird
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Acres 1986
FOLIAR-FED NUTRIENTS AND PULSED SOUND REVISITED
 - Christopher Bird
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Acres 1986
SONIC BLOOM
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Acres 1986
AN "OLD ORDER" FARMER ADOPTS NEW FARM TECHNOLOGY
- Christopher Bird
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Acres 1998
Music to Grow By
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