How Much Sulfur to

The amount of sulfur you need to add to your soil to keep acid-loving plants like blueberries happy depends on the type of soil in your garden, as well as the pH you start with. Sandy soils typically need less sulfur to lower pH levels, while loam and clay soils take more sullur to change their pH. tf you're not sure what kind of soil you have, see "Soil Texture Tips" on page 65. Then use the results of a soil pH test to find your soil's current pH and the pounds of sulfur you need to add, per 100 square feet of garden space, to acidify the soil to a pH of about 5.5.

Current pH

Sandy Soil (lbs.)

Loamy Soil (lbs.)

Clay Soil (lbs.)

6.0

0.4

1.2

1.4

6.5

0.8

2.4

2.6

7.0

1.2

3.5

3.7

7.5

1.5

4.6

4.9

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The plants listed below will thrive in soil acidified with Dan Hartmann's methods, as well as in naturally acidic soil (below pH 7). Most acid-loving plants, including many of these, will also tolerate neutral soil.

Flowers Bleeding hearts (Dicentra spp.) Butterfly weed (Asclepias tuberosa) Candytufts (Iberis spp.) Cardinal flower (Lobelia cardinalis) Creeping phlox (Phlox stolon:fera) Euphorbias (Euphorbia spp.) Heather (Cailuna vulgaris) |apanese iris {Iris ensata) Lilies (Liiium spp.) Lupines (Lupinus spp.)

Trees and Shrubs Azaleas (Rhododendron spp.) Birches (Betula spp.) Camellia (Camellia japonica) Dogwoods (Cornus spp.) Gardenia (Gardenia jasminoides) Hollies (Ilex spp.)

Hydrangeas (Hydrangea spp.) Junipers (Juniperus spp.) Magnolias (Magnolia spp.) Mountain ash (Sorbus spp.) Mountain laurel (Kalmia latifolia) Pines (Pinus spp.)

Rhododendrons (Rhododendron spp.) Herbs

Parsley (Petroselinum crispum) Fruits and Vegetables

Apples

Blackberries and raspberries

Blueberries

Carrots

Eggplant

Gooseberries

Huckleberries

Lima beans

Potatoes

Pumpkins

Strawberries

Sweet potatoes

Tomatoes

Tétions and Practices for Organic Test CTontroi

On any warm summer day, your garden is filled with flying, crawling, and jumping insects. But very few of these creatures are plant pests. Most of them—including spiders., lady beetles, and many wasps and flies—are more interested in capturing other insects than in aggravating gardeners. So controlling the few insects that are pests really isn't hard. Organic gardeners have devised lots of useful sprays, barriers, and traps for controlling pests without chemical pesticides.

Ladybug Ladybug larva

Ladybugs, lacewings, ichneumon wasps, and many other beneficial insects are hard at work in your garden destroying plant-eating pests.

Pest insects usually have specific food requirements, Many of the pest control formulas in this chapter work by tricking pests into thinking that they are on the wrong plant or making them cat something thai they can t digest.

You'll also find formulas in this chapter for bigger pests, like squirrels, deer, cats, and dogs. These pesky animals can frustrate gardeners by

eating or trampling plants. But, although we don't want animals to hurt our gardens, we also don't want to hurt the animals, so all of the formulas you'll find here are strictly nonpoisonous. They work by conditioning ani- Ichneumon mals to look elsewhere for dinner. wasP Use these same approaches when developing your own formulas to solve unusual pest problems in your garden. For example, if you have a problem with an insect that eats one type of plant but is never seen on another, try planting the two types of plants close to each other to confuse the pest and lessen the damage. Or you might brew a tea from leaves of the plant the pest ignores and use it to drench the plant that the pest likes. It just might fool them!

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If you spot insect pests on a plant, simply pick them off! Then dispense with the pests using two flat rocks or whatever squashing method you can think up.

If the pests are too small, fast, or numerous for hand-picking, take action right away with an appropriate pest control formula. Pest populations tend to build up very quickly, and it's always easier to control a pest problem the day you discover it than to wait for another day—by then, you may face double the problem. ^

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