Field Management Organic Weed Management Plan weed control before planting to protect yield and ease harvest. Key Notes: ◦ Taller indigo plants shade out many weeds naturally as they grow. ◦ Watch for invasive vining weeds that can tangle with plants; though they don't impact processing, they may be prickly or toxic. ◦ Effective Organic Weed Control: ▫ Mow plot perimeters and between rows regularly to reduce weed growth and seed spread. ▫ Use weed barriers such as landscaping fabric, coffee bags, cardboard, unseeded wheat straw, or wood chips. Mulching “Lasagna Method”: ◦ Layer mulches from least to most permeable for best effect: ▪ Impermeable layer (cardboard) on soil surface ▪ Medium layer (unseeded straw) ▪ Top layer ( wood chips) ▪ After seedlings are established, add more straw or wood chips throughout the growing season to keep moisture and suppress weeds.
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