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How to Rotate Your Crops

Category Vegetables
Rotating your crops helps to prevent depletion of nutrients, reduces pests, and is overall beneficial in improving your vegetable garden's production. This is a guide about how to rotate your crops.
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By 0 found this helpful
September 28, 2006

By the time the summer growing season ends, your garden soil has been depleted of many of the essential nutrients needed to sustain plant growth. Amending your soil with compost and manure is a great way to add those important nutrients back into your soil. Planting cover crops will not only add to your soil's fertility, but it will lock those nutrients into your soil and prevent them from washing away with spring rains.

The Advantages of Cover Crops

  1. Prevents Soil Erosion: Leaves and roots keeps topsoil stable and prevents nutrients from being washed or blown away by the elements.
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  2. Assists In Weed Control: Outcompetes winter weeds for nutrients and crowds them out.

  3. Protects Soil Microbes: Supports worms, beneficial insects and other garden friendlys and protects them from exposure to ultraviolet light and extreme temperature swings.

  4. Helps Build Soil Fertility: Decomposing leaves, stems and roots of cover crops release stored nutrients into your soil and provide organic matter for next year's crops.

  5. Improves Overall Productivity: Helps improve your soil's structure, aeration and water and nutrient holding capacity.

Two Groups: Legumes and Non-Legumes

Cover crops fall into two main categories: legumes and non-legumes. Within these groups are cold and warm season species that will work for every garden in every growing zone. Like the peas and beans you grow in the garden, legume cover crops convert nitrogen from the air and deposit it back into your soil. Examples of cover crops that are legumes include clovers, hairy vetch, and alfalfa.
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Non-legume cover crops do not add nitrogen to the soil, but they provide more top growth, contributing more organic matter overall. They are also less susceptible to viruses and less apt to give soil-borne diseases safe harbor over winter. Examples of non-legume cover crops include annual ryegrass, barley, oats and winter rye. To give your garden the nitrogen boost crops need, while building up your soil's organic matter, try to mix one legume cover crop with one or more non-legume cover crop for the best benefits of both worlds.

When To Plant

Early fall is the optimal time to plant cover crops-after your garden is finished producing. September through mid October is a good time for zones 3 to 7, and October to Mid-November are good months for zones 8 to 10.
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Where To Find Seed

A local feed or farm supply store will be able to supply you with inexpensive, good quality seed. They will also carry the varieties best adapted to your regional growing conditions. Avoid "feed-grade" seed if possible. It's more likely to contain weed seeds.

How To Plant

If you can, clear the crop residue from your garden and till it before you plant your cover crops. Prepare it as though you were planting a crop, adding compost and organic fertilizers, and then raking it smooth. Broadcast the seeds of your cover crops by hand, spreading them fairly thickly, approximately two seeds per square inch. Don't worry if you have some late season crops in the ground, just scatter the seeds under their leaves and forget about them. After sowing your seed, rake the soil gently so the seeds are buried about _ inch to 1 inch below the surface of the soil and then water them.
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Free Mulch & Green Manure

In colder climates, cover crops will start off growing in the fall and die off in the winter-turning into a wonderful mulch. In the early spring, simply turn under the decomposing leaves, stems and roots of the annual cover crops (like oats), and the emerging perennial cover crops (like winter rye) into the top 4 inches of the soil. By the time you're ready to plant, your cover crops will be totally broken down.

In warmer climates, plant cover crops during your gardens rest period. They will attract beneficial insects to your garden while providing nutrients and organic matter. Before your cover crops go to seed, turn them under. Let them decompose a few weeks before resuming planting.

Comment Was this helpful? Yes

March 26, 20120 found this helpful

Crop rotation is the practice of growing related crops in different areas of the garden in consecutive years. Rotating crops helps maximize yields by making the most efficient use of the nutrients in your soil, and reducing the likelihood of soilborne pests and diseases.

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Advantages of Rotation

Several vegetables, including perennials like asparagus and globe artichokes, do not fall into any of the main vegetable families. Because these stay in place for several, they are best grown in a permanent bed of their own and not rotated. Because salad greens stay in the ground for only a short time, they can be used to fill in or grown in between other plants. As with other vegetables, they should not be grown in the same area year after year.

Planning for Rotation

Draw up a list of the main vegetables that you want to grow, with a rough indication of quantities. Divide the vegetable garden in sections and group the selected vegetables in their rotation groups. Make a separate list of miscellaneous vegetables not in the main groups and use these vegetables to fill in bare spots. Think about how each crop affects the soil. It is a heavy feeder, a light feeder, or a soil builder? When possible, try to alternate heavy feeders with either light feeders or soil builders.

A Sample Rotation Plan:

The following plan is only meant to serve as a rough guide. Many factors, in particular the weather, will have a direct bearing on the success and failure of your crops. The key to success lies in keeping accurate records of your planting and remaining flexible to making necessary changes in your plan.

Section #1: Legumes and Pod Crops
beans (all types)
lentils
okra
peas (all types)
Rotate to Section #2

Section #2: Allium (Onion Family)
garlic
leeks
onions
scallions
shallots
Rotate to Section #3

Section #3: Brassicas (Cabbage Family)
bok choi
broccoli
Brussels sprouts
cabbages
cauliflowers
kales
kohlrabi
mustard greens
oriental mustards
radishes
rutabagas
turnips
Rotate to Section #4

Section #4: Solanaceous, Root, and Tuberous Crops
beets
carrots
celeriac
celery
eggplants
parsnips
potatoes
sweet peppers
sweet potatoes
tomatoes
Rotate to Section #1

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By 0 found this helpful
October 19, 2006

One of the best ways to maximize vegetable garden production, while minimizing problems with pests and disease is by practicing crop rotation-planting your crops in a different place in the garden each year.

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Home and Garden Gardening Growing VegetablesJanuary 28, 2013
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