Composting manure kills the weed seeds. Composting also kills parasites, pathogens, fly eggs and larvae, and reduces odors. I've used composted horse manure on my garden--no weeds, no stink. If you produce more composted manure than you can use, you can sell the extra to landscaping companies, nurseries, or to other farmers.

I bought two "yards" for around $90 two years ago. The guy who operates the outfit says he sells to the botanical gardens around here. We've got lots of those.

There are organically-accepted pesticides for infestations: Insecticidal soaps, horticultural oils, and botanical insecticides like pyrethrum (PyGanic®), neem (Neemix®), sabadilla (Red Devil Dust®, Natural Guard®, Veratran D®), and Ryania. Though if you're a certified organic farmer, you should check with your certifier first to see which ones are acceptable.

I grew up in farming communities in the midwest and I live in the Pacific Northwest surrounded by farms, orchards, and dairies. My friend's families were dairy farmers, alfalfa farmers, hay farmers. I'm not a farmer, but I'm not ignorant about farming.

Anhata
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