mustard biofumigant blend

White mustard (Sinapis alba) and Oriental mustard (Brassica juncea) varieties blended for use in commercial crop rotations and home gardens as a natural soil biofumigant and green manure.

Mustards contain glucosinolate, which when incorporated into the soil produce a natural bioactive chemical similar to the active ingredient used in some commercial soil fumigants. These natural chemicals suppress soil nematodes and fungal pathogens such as common root rot, which damage subsequent crops. The chemical properties of the mustards along with their rapid fall growth and canopy closure, also help to substantially reduce spring weed emergence. When incorporated into the soil, the large amount of biomass also improves soil quality by increasing organic matter, water infiltration, water and nutrient holding capacity and overall productivity.

Optimal seeding dates vary by region, but typically range from July to mid-August. For best results fertilize with 150 lbs/acre of total nitrogen. Plow-down or mow and incorporate into the top 6 in. of soil sometime in September or October, after flowering but before the plants are able to produce seed. Killed by hard frost. May also be used in spring. Wait at least four weeks after plow-down before planting the next crop. (Drill at 7-10 lbs/ac on 6” spacing or broadcast at 15-20 lbs/acre.)

DISTRIBUTION / ADAPTATION

Mustard Biofumigant Blend map.png

INFORMATION & ATTRIBUTES

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SOIL ADAPTATION

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SEEDING NOTES

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