Carrot is a very good health vegetable and enjoys the reputation of "small ginseng". It is cultivated all over the country. Five-inch ginseng is a new carrot variety introduced from abroad in recent years. According to the growth characteristics of the five-inch ginseng and the requirements for the environment, Pingyi County, Shandong Province, grows well in autumn, yields high quality. However, in recent years, according to the needs of the market, the spring cultivation area of ​​the five-inch ginseng has gradually expanded. Practice has proved that although the spring cultivation is technically difficult, the benefits are high. Therefore, many farmers are keen to plant in the spring. In the spring, five-inch ginseng cultivation should pay attention to the following points: The varieties of early-maturing, high-yielding and late-twitching varieties are selected, such as improved five-inch ginseng of Kuroda, five-inch ginseng of super Kuroda, and five-inch ginseng of Baoguan. Appropriate sowing of spring five-inch ginseng planting time is more stringent, sowing too easy to twitch early, late sowing is not conducive to the growth of fleshy roots, Pingyi County is generally the end of March to early April is appropriate. The leeward sunny plot should be selected for cultivation. With the addition of boron, the sowing date can be raised to mid-March. It is reasonable to densely plant spring ginseng with a relatively small amount of growth, and it is advisable to appropriately increase the density. It is advisable to use a 12cm row spacing, a 10cm plant spacing, and 55,000 plantlets at 667m2 for the five-inch ginseng in Kuroda. Scientific irrigation Spring ginseng germination period, the seedling period is the early spring low temperature season, unless particularly drought, in the sowing water, seedling water poured on the premise, until the ground is no longer watering. The temperature of the fleshy roots during the expansion period requires ground watering to meet the needs of flesh root swelling, and the effect of appropriately lowering the ground temperature. Generally harvested in the first half of June, the use of plastic arch shed 20 days earlier to market, more significant economic benefits.
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