Carrot
Nutritional Benefits
With only 41 calories in 1/2 cup, this delicious food is packed with health benefits. They are a great source of vitamin A and contain carotenoids that may help protect against prostate, colon and stomach cancer.
The plant
Soil type and pH
Growth period
Carrots are harvested when they have reached a diameter of 20 mm and more, still young and tender. When very slender carrots are needed for certain markets or for baby carrots, harvesting can commence earlier. Usually when the carrots have reached the mature stage, their base tips appear on the soil surface.
Irrigation
The soil should never be allowed to dry out. Too much moisture causes short carrots with light colour and a larger diameter. The field should be irrigated lightly immediately after sowing. Irrigation water should be applied once or twice a day using a solid-set sprinkler system. Watering should gradually be reduced to prevent longitudinal splitting of the roots when the crop approaches maturity. Water stress during root development also causes cracking of the roots, which also become hard.
Aphids
Colonies of aphids sometimes occur on the leaves and crowns, and flower stems of carrots. They suck the sap from the plants resulting in retarded growth, yellowing and restricted seed production. Control can be achieved by spraying with a registered pesticide.
Red spider mite
Red spider mite is generally not a serious pest in carrots but the numbers can increase rapidly as it gets warm.
Diseases
Alternaria blight and bacterial blight are the most common diseases that could be encountered with carrots. The diseases can be controlled by disinfecting seed with a seed dressing containing thiram or captab or sowing certified seed. In areas where blight is a problem, carrots should not be cultivated on fields that remain damp for long periods in the morning after dew. Crop rotation can be practised.
Fertilisation Timing
Carrots have low nitrogen requirements and good yields can be obtained with 80 kg/ha of nitrogen applications. Nitrogen can be applied at planting and the remainder at 4 to 8 weeks. Forty kilogrames of phosphorus per hectare are sufficient to produce a good crop. The crop has a high potassium requirement and half is applied as side dressing at 4 to 8 weeks after planting. The balance is applied as late dressings.
Sowing and Planting Time
In South Africa, carrots can be planted throughout the months of March – June, or September through December.
Planting Method
The seeds are directly sown in the field on ridges or raised beds. Row planting is preferred to broadcast sowing. The seeding depth should be 10 to 25 mm or 40 mm in loose, light sands. Planting depth should be shallow on heavier soils and in colder months. Slightly deeper planting is recommended in summer when the soil dries out quickly. The chance of a successful establishment of the crop will be increased if the seed is sown in moist soil and only if the soil is kept moist.
Fresh from the Kitchen
using Carrots
Glazed Carrots
Topped with brown sugar, butter and parsley, this is an easy and inexpensive side dish that’s perfect for a holiday meal or an everyday dinner.
Ginger Carrot Soup
This healthy carrot ginger soup has a velvety smooth texture thanks to the addition of some creamy Greek yogurt. Delicious warm or cold!
Easy Carrot Cake
You can make this quickly and easily without lots of fancy equipment. Not only is this the best tasting carrot cake we’ve made, but it’s a cinch to make.
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