Autumn radish root during the growth, often due to improper cultivation techniques, causing deterioration of quality. Deterioration mainly occurs in the period of leaf growth and the growth of pulpy roots, (generally from early September to early November) for nearly two months, which can cause cracking of the roots of the fleshy roots, fork roots, crucibles and spicy bitterness. Occurs, resulting in reduced quality and affecting production. The reasons for deterioration of the root quality of meat and its preventive measures are as follows: 1. Broken roots. Refers to the cracking of the fleshy root and it is not easy to store and transport. The reason is that the uneven supply of soil moisture, suddenly dry and damp, or continuous cloudy, sudden heavy rain; skin damage (frozen injury, injury, pests, etc.). Prevention method: During the root enlargement of the flesh, we must pay attention to uniform water supply and prevent and control underground pests in time. 2. Hearty. Also known as hollow, refers to the center of fleshy root dry water loss, seriously affecting the quality of food. The reason is that the water supply before and after the growth period is not uniform, such as the previous period of wet and late drought; more emphasis on nitrogen fertilizer; early bolting; storage and transportation caused by high temperature and dry. Prevent methods: pay attention to balanced water supply before and after; balanced fertilization; select autumn varieties; create a suitable storage environment. 3. Fork root. Refers to the abnormal expansion of lateral roots of radish, forming a forked fleshy root. The reason is that when the seeds germinate, the radicles are destroyed; in the soil there are hard objects, the plough layer is shallow, and the soil is heavy, which makes the downward growth of the roots of the meat obstructed; the fertilization is not uniform, or the fertilizer is not completely decomposed, and the main root is damaged; When managing, weeding or cultivating damage the root tip. Prevention methods: Fine soil preparation, picking up hard objects such as stones and bricks, selecting soils that are not overly viscous, deepening the arable land, applying completely decomposed organic fertilizers to avoid burning roots, and using cultivators and weeds carefully to avoid Root damage. 4. Bitter and spicy. The reason is that the amount of spicy mustard oil in the root of the flesh is too high, causing a spicy taste; and bitterness is caused by the bitter melon. Prevention methods: pay attention to prevention and control of radish diseases and insect pests; adequate supply of fertilizer and water; rational fertilization, not simply apply nitrogen fertilizer, excessive nitrogen fertilizer, will lead to phosphorus, potassium and trace elements absorption blocked, resulting in maladjusted root growth disorders, spicy mustard oil and bitter melon increase.
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