Jumat, 19 Agustus 2011

Winter Crops - Growing Parsnips

By Susan Morgan


It is important, when growing parsnips, to prepare the soil well. Some gardeners dig trenches and then fill them with a mixture of sandy soil and well rotted compost. They may even be raised above ground level in order to improve drainage. The PH of the soil should be between 5.5 and 7.5. Drainage and depth of soil are two factors that will allow healthy plants to develop long, thick roots.

Like other root crops such as beet, turnips and carrots, parsnips will respond well to applications of phosphate and potassium but too much nitrogen may cause the development of lush tops and small roots. Balance is the essence, and soil that is prepared organically well in advance of planting is a good way to achieve balance.

Organic growers eschew chemical fertilizers altogether and rely on manure and compost. Many have discovered the value of worms and the liquid that leeches from them. This 'worm wee' is an excellent organic fertilizer than may be diluted and applied regularly to the growing plants with satisfactory results.

Although parsnips enjoy cold weather, especially when the roots are almost ready to be harvested, they can be grown all over the world. They are planted in Spring, grow through the Summer and can be harvested in Autumn or Winter.

Seeds should ideally be planted in the ground where they will remain throughout the growing season. They should be planted about a quarter of an inch deep in rows that are approximately sixteen inches apart. As usual it is best to press the soil down in order to encourage germination. Few root vegetables really enjoy transplantation. Some people use the cardboard cores from toilet rolls to germinate seeds which can be moved after germination to sites where the will continue to grow, undisturbed whilst the cardboard decomposes.

The seeds germinate slowly so the soil should be kept damp. It is best to thin out the seedlings when they are about half an inch high in order to allow strong plants to develop fully with minimum competition from weeds or fellow parsnips.

They will remain in the same site from Spring through to Winter when they will enjoy a long harvesting period. Their roots should reach about eight inches in length and are a creamy color. They have leaves similar in appearance to celery.

Many people believe that parsnips attain their best nutty taste after they have enjoyed a frost whilst still in the ground. They may be harvested as they are needed or stored like other root crops in cool dry storage sites. Freezing, drying and dehydration are other possibilities.

Growing parsnips has a long history in Europe and Britain. The crop is thought to have originated in present day Iran and to have been widely eaten in the the Roman Empire. The introduction of root crops like turnips, mangelwurzels and parsnips into England during the eighteenth century played a role in allowing the Industrial Revolution to get under way. Such crops could be harvested as fresh vegetable food during the winter months keeping domestic animals and people productive throughout the year.




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