|
Turnips
|
Sowing depth |
Germination
soil temp. |
Day's to
germination |
Sow indoors |
Sow outdoors |
|
¼" to ½"
|
60 to 90º F |
3 to 7 |
Not recommended |
6 week before first
frost or after last frost |
|
Soil PH |
Growing soil
temp. |
Plant spacing |
Light
Requirement |
Seed longevity |
|
5.5 to 7.0 |
40° to 75º F |
3" to 4", 4 rows
in 36" wide beds |
Full sun |
4 years,
refrigerated |
General Information:
Turnips
are a cool weather crop grown in early spring and late
summer for fall harvest. Both the tops and roots can be
harvested. Turnips large roots require, loose, rich well
drained soil with lots of organic matter. The plants should
not be crowded or roots will not develop properly. It only
take about 60 day to produce a crop of turnips.
Soil Preparation:
For best results incorporate
liberal amounts of compost or well rotted manure deeply dug
into the soil. Beware of fresh manure as it may contain
seeds, & high concentrations of urine & salts. Since
turnips are shallow rooted plant it is very sensitive to
moisture fluctuations. Without adequate moisture the
roots cannot absorb the require nutrients to produce
properly. Position rows for proper exposure to sunlight.
Rake to break up & remove debris from the soil. Work the
soil only when it is dry enough not to stick to garden
tools. Form a 36" wide bed the length of your choice. Using
a garden hoe form a shallow trench in the center of the 36"
wide bed about 4" deep. Do not allow the trench between the
2 rows too extend beyond the end of the beds as this trench
will hold water later. The 2 rows in the 36" wide bed
should be about 12" to 16" apart.
Fertilization:
Perform a complete soil analysis
to determine fertilization needs. Soil sample kits
including sample bag and instructions can be obtained from
your local county Agricultural extension service office
free of charge. However, the fee for the actual soil
analysis is usually about $15.00.
Too much nitrogen will cause turnips to produce excessive
green top with poor root production yield. For best results
side dress plants with fresh compost.
Planting & Growing:
Sow seeds 6 week before your first
frost date outdoors or shortly after last frost date for a
spring crop. Sow seed about ¼" to ½" deep. Thin seedling
by clipping seedlings at ground level to 4" apart after 2
true leaves appeared. Feed seedling bi-weekly with fish
emulsion for the first month. Side dress plant with fresh
compost in 1 month. When seedlings have grown 4 true leaves
cover the entire 36" wide bed including the trench between
the rows with leaves or straw mulch. The mulch will retain
moisture, attract worms, and reduce the growth of weeds in
the beds. Any weeds that do germinate are easily removed by
hand or light cultivation. When it is time to water your
plants simply apply a moderate amount of water into the
trench between the row you formed earlier. Do not apply
water to quickly as you may wash out soil holding the
water. The water will slowly soak deeply onto the root
zone. Using this method your plants will always have
adequate moisture to perform well. It is of great
importance that the soil be kept moderately moist and weed
free. Plant green onions within the turnips beds to repel
insects. Do not plant near or following potatoes.
Care during the growing
season:
Keep turnips moist and weed free
until harvest. Be careful not to damage shallow roots when
cultivating or pulling weeds.
|
Pests
& Diseases: |
| |
|
|
Pests |
cabbage root
maggots
|
Pest |
Description |
|
Root Maggots: |
Are be a
problem in areas where radishes, turnips or
rutabagas were grown the previous year. The
soil should be treated with a suggested
insecticide before the next planting. |
If harvesting
green tops use 5% seven WP (wetable powder) once a
month to repel worms and sucking insects. Read and
Follow manufacturers label regarding it's use.
Contact your local county
extension office for recommended treatment
|
|
Diseases |
— none known — |
The severity of insect
attack is much greater in late crops. It is suggested that
the control program start early (emerging seedlings) and
continued on a regular basis. Consult your local county
extension service office for diagnosis and recommended
treatment.
Harvesting:
Turnips should be harvested when
the root are about 2" in diameter for sweet tender roots. As
turnips grow larger than 2½" they become tough and fibrous.
To harvest loosen the soil with a garden fork and remove
from the soil. Remove top before storage, the greens will
quickly draw the moisture from the root greatly reducing
flavor and the roots will become shriveled. turnips are best
harvested in early morning when sugar & moisture content is
greatest. |