List of causes of Heart block. Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Heart block) that could possibly cause Heart block includes: Heart attack.
Beans, corn, eggplant, cabbage, peas, horseradish and parsnips all makes excellent companion plant for potatoes. Marigolds (Tagetes spp.) are beneficial, even though they are flower and not a vegetable. In turn, potatoes are a good companion crop for beans, because they repel Mexican bean beetles.
Never plant potatoes in a soil that has been planted with tomatoes, eggplant, and other nightshade vegetables in the last two years. Other plants that you should not plant with potatoes are carrots, asparagus, fennel, atriplex, turnip, onions, and sunflowers. Companion planting is useful in organic farming.