Close up of woman's hands in gloves pours liquid mineral fertilizer in watering can with water in backyard. Cultivation and caring for outdoor potted plants. Hobbies and leisure, urban jungle concept.
WASHINGTON, April 12, 2017 - Can hydroponics – fruit and vegetable growing systems that don’t use soil – be certified as organic farming? The Agriculture Department’s answer is likely coming soon.
Organic fertilizer ingredients are less expensive when bought in bulk. The basic organic fertilizer ingredients are seed meal, agricultural lime, gypsum, dolomitic lime (or dolomite), kelp meal and ...
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