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Crop Yields from Illinois Soil Experiment Fields in 1928 (Classic Reprint)
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![The Effect of Leaching on the Availability of Rock Phosphate to Corn [I.]: II. the Relation of Organic Matter and the Feeding Power of Plants to the Utilization of Rock Phosphate 1286715652 Book Cover](https://i.thriftbooks.com/api/imagehandler/s/826FB82E993FBA182BBD50BA20ECFDE8788687BB.jpeg)
The Effect of Leaching on the Availability of Rock Phosphate to Corn [I.]: II. the Relation of Organic Matter and the Feeding Power of Plants to the Utilization of Rock Phosphate
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Summary of Illinois Soil Investigations
$16.43 - $26.95