A Cook's Garden by Barbara Damrosch: Latest Column and Archive - The Washington Post I especially like the Seafood Feast for your garden article. It gives hope for heading off root knot nematode infested soil.
6 Tips for Building Soil for Your Raised Garden Beds and Planters..... Over time we learned what most successful gardeners know: building soil is what gardening is all about. Once we turned our attention to the condition of the soil, our garden began to grow. Today we enjoy bountiful harvests from all our garden beds, and we spend almost no time weeding or dealing with insect pests.
“The advantage of sowing mustard are that it disinfects and regenerates the soil, it stimulates the life of the soil and curbs nematodes, especially potato root eelworm, which is why it is so useful to sow the seed. It gives the feared nematodes very little chance in the garden. Its effect on all plant life, including the crucifers, is not negative but positive.”