Vitamins | Comments |
---|---|
VITAMINS: As Additive in Fertilizer Circumstances make the rules invalid; test before making large applications; some other less pertinent suggestions made. F85-8 | 0 |
VITAMINS: As Plant Growth Substances A brief review of some, such as thiamine, niacin, biotin, ascorbic acid, yeast; refer to OA83-52; refer also to OBIII-201; OBII-269, etc. | 0 |