Arum Lillie's Using Fertilizer and Preparation of Soil

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Fertilizer:


 Although inorganic fertilizers are more readily available we believe in using organic fertilizers. Inorganic fertilizers has the ability to burn the roots, the basal plate as well as the leaves if it comes in direct contact with it, which is another reason why we prefer organic products as it does not have these dramatic negative effects when the concentration of the fertilizer is slightly off.

Fertilizers come in granular or liquid form. Granular fertilizers are better because the don't dissolve as quickly, they remain in the soil longer, and the longer the better.
Nitrogen (N) is important for preparing soils for bulbs to be able to start their leaf growth. Phosphorus(P) and Potash are good for overall health, resisting disease, root growth and flowering.

When adding granular fertilizers, mix with soil ate the bottom of the planting holes. Adding a very diluted liquid fertilizer to the misting system, that regulates the relative humidity in the greenhouse, is a good way of insuring that the plants have enough nutrients, as the fertilizers will permeate directly into the plants system through the leaves.



Preparation of Soil:

Adding organic matter for preparing soil for bulbs improve the soil by improving low fertility, poor water-holding sandy soils and fertile but poorly draining clay soils( the soil in Paarl is slightly acidic and usually require the addition of lime). When adding organic matter to the soil, remember that it breaks down each year and has to be replenished each year.
It's easier to amend the soil when you dig up the land before planting each year. This method allows you to layer about 5 cm of organic matter and work it in well with the soil. After that, in the future we can simply apply the organic matter as mulch and it will work into the soil below.

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