Root Terenin first forms a digging root. When this root reaches a length of 4 – 6 cm, lateral and fringe roots are formed. Over time, the taproot disappears and the plant appears with fringe roots. The roots go down to a soil depth of 20 – 25 cm. Stem The stem of the plant is green in color, rosette-shaped, at the soil level. The stem carries the leaves above it. During the ripening period, it forms leaves on the flower shoots, which decrease and shrink from bottom to top. The flowers of the plant are also located on the shoots emerging from the axils. The plant grows between 30 – 60 cm tall. Leaves Cress with 2 different leaf structures are produced: Those with segmented leaves (Parsley type)
Those with unsegmented, flat, oval and long leaves (Arugula type) Although these 2 cress varieties differ in leaf characteristics, they are produced in the same way. The stems of the leaves are round in both varieties. Numerous long-stalked leaves are produced on a single stem. The leaves are consumed together with the stems. Parsley-leaved cresses contain a higher percentage of essential oil. In arugula-leaved varieties, the leaf blade is one-piece and the margins are toothed or smooth. These varieties contain lower levels of essential oil. Irrigation The soil of cress, which is a water-loving plant, should be constantly moist. Depending on the climatic conditions of the cultivation region, irrigation is done first by means of sliders and then by drip irrigation. Excessive irrigation may cause root diseases. Fertilization In all cultivations, soil analysis should be done before using fertilizer. Fertilization should be done according to the results of the analysis. Since the vegetation period of the plant is short, it is useful to give the nutrients it needs at the beginning. Farm fertilizer should not be given directly. Farm manure that does not burn well is harmful for the plant and causes harmful insects to multiply. Farm manure should preferably be applied to the plant grown the previous season. Or well-burnt manure should be applied 1 – 2 tons per decare. If 4 – 6 tons per decare is applied in the previous period, enough organic matter remains for cress production.
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