Plan
Before Planting!
| Author: |
Brian Hall - Alternative
Cropping Systems Specialist/OMAFRA
|
| Creation Date: |
March 2002
|
| Last Reviewed: |
March 2002
|
No-till soybeans have proven very successful, so why not white beans?
This question is being raised by successful no-till soybean growers
that want to try white beans. Here are some points to consider:
Soil Conditions
- Good soil structure is the most important factor in white bean
production. Sandy-loam and loam soil work best, but clay-loam soils
can also work.
- Fields should be well drained.
- Soil compaction is a major concern in edible bean production.
Wet soil conditions last fall increased the amount of compaction
damage. No-till planting into compacted wheel tracks, without some
tillage, will lead to uneven emergence. Probe soils for compaction
before planting.
- Fields must to be level for even seed depth placement and harvest.
- Greatest success has been achieved following corn. Following cereals
can work, provided good residue management is practiced. Slugs can
be a problem in heavy residue situations.
- Select fields with the lowest weed pressure. Weed control options
in edible beans are limited.
No-till beans need tillage
- White beans have a poor root system compared to soybeans. No-till
white beans usually benefit from in-row tillage at planting to create
a good seed-bed and promote root growth.
Variety Selection
- Select an upright variety. No-till white bean plants are slightly
shorter, and mature about a day later than conventional tillage
beans.
Seeding
- Seedbed is everything! Uneven emergence results in uneven ripening,
delayed harvest and immature beans that increase the 'pick'. Planting
depth is controlled by the depth of tillage coulters. Many poor
stands are the result of not planting into moisture.
- Highest yields are obtained from beans that emerge in less than
a week.
- Roll or pack fields after planting to level the field, press down
small stones, and to flatten corn stalks
- Optimum row width is 15"-22". Narrower rows increase
the risk of white mould. In wider rows the seeding rate results
in more beans per foot of row which aids emergence.
- Use good quality seed, free of anthracnose. If seed is not treated,
seed treatments containing diazinon, lindane and a fungicide (B-3,
DL Plus) are required to give protection from seedcorn maggot, wireworms
and seedling blights does not control anthracnose. Most seed comes
treated with DCT, providing control of anthracnose, seedling blights
and insect suppression. Treating with B-3 improves insect control.
- Fields should have medium fertility levels. Beans respond more
to fertile soil, than to applied fertilizer, except on low testing
soils.
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