Improve cultivation conditions to make radish crisp and sweet

Inferior radish has the following types: First, it is heart-wrenching, that is, the lack of nutrients and water in the center of the fleshy root is hollow; the second is bitterness, that is, the radish root contains succulent guar, which is slightly bitter; three is spicy, that is The radish roots of the radish contain different degrees of spicy taste; the fourth is the cracked root, that is, although the fleshy roots remain inflated, the cracks on the epidermis have different depths and grooves, which affect the gloss; the fifth is the root of the root, which is the top of the growth of the main root. Oh, it produces several side roots.

Why do inferior products appear in the process of radish growth? Reflecting on the cultivation measures, some lessons are worth summarizing.

The production of radish is first, the planting is too early, the early fertilization is insufficient, the early twitching and early flowering breaks the nutrient; the second is the high temperature during the peak growth of the fleshy root, the drought is not timely, the imbalance of fertilizer and water is easy to worry; It is the excessive nitrogen fertilizer in the base fertilizer, the radish leaf area is large, and the root system is weak, and it is easy to get rid of fat and heart; the fourth is the high temperature season, the storage radish is poorly ventilated, the humidity is too low can also cause sorrow; the fifth is improper selection. Corresponding measures in production, one should use small individual varieties to plant when the temperature is too high, avoid using individual large varieties; second, should be based on the application of base fertilizer, reduce nitrogen fertilizer, increase phosphorus and potassium, the inherent success The experience is "the long head of the fertilizer (radish), the long leaf of the top dress", which deserves attention; the third is to choose the field that is suitable for drainage and irrigation; the fourth is to control the temperature and moisture during storage.

The spicy taste is caused by the volatile mustard oil in the root cells. Some varieties are spicy in the lower part of the fleshy root, some are in the upper part, some are not spicy, and the summer radish is high. In the winter sowing radish, the radish of white radish is lower than the green radish. To this end, in production, we must distinguish the needs of the varieties, optimize the fertilizer, avoid high temperatures, prevent pests and diseases, and reduce the accumulation of mustard oil.

Bitterness is a basic compound containing nitrogen. If radish fertilization only pays attention to nitrogen fertilizer, neglecting various elements such as phosphorus, potassium and calcium, the bitter melon can be produced in the fleshy root, and the decomposed organic fertilizer produced by the farmer should be applied in production. Or commercial organic fertilizer, with multi-component compound fertilizer, can produce high quality radish.

The production of cracked roots is mainly because the drought in the early stage of radish does not meet the demand of fertilizer and water in time. The development of fleshy roots is inhibited and the outer cortex is hardened. When the rain is sufficient in the late growth stage, the growth of the cells accelerates, causing the hardened cortex to expand and crack. Reasonable regulation of fertilizer and water can prevent cracks in the fleshy roots.

The roots of the roots are mainly caused by the growth or damage of the growth point of the fleshy roots. The tip is bifurcated. Some of the fields are hard and the whole soil is not tidy. For example, before the harvest, the unevenness of the soil is often easy to appear, and some are mechanical. In the field operation, the root tip is injured, and some are excessively burned by fertilization. This requires the grower to pay attention to fine soil preparation, to make the soil loose, the ground level is flat, and to prevent root damage when cultivating and weeding, regardless of the application of organic fertilizer or inorganic fertilizer. It is necessary to create a good development environment for the root system in a timely and appropriate amount, so that the roots can be less or not rooted. (Yu Hongzhang)

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