Humfeld, Harry
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LDR | 00119nx a22000613 | |
---|---|---|
001 | 14473 | |
009 | Humfeld, Harry | |
200 | $a Humfeld $b Harry | |
801 | 0 $a RO $b ASAS $c 20230405 |
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Effect of rye and vetch green manures on the microflora, nitrates and hydrogen-ion concentration of two acid and neutralized soils
de:
Smith, Nathan R.; Humfeld, Harry
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