At this time, the temperature in many areas began to decline, and for radish, this is a good period for the roots to expand. At this time, what important tasks in radish field management need to be grasped by the growers?
Autumn radish high-yield field management skills
Seeding period
According to the climate characteristics after the beginning of autumn, you can choose to plant in early August to mid-August, and harvest in about November. If you plant in a land with poor soil fertility, if the foreland is a food crop, you can plant it in advance to extend it. During the growth period, there is a significant effect on the increase in yield. Vegetable plots with fertile soil and serious pests and diseases can be properly planted at night, so as to avoid the peak period of pests and ensure yield and quality.
Autumn radish high-yield field management skills
2. Fine land preparation
Radish cultivation in autumn and winter should choose land suitable for irrigation and drainage. It is best to use sandy loam and loam. It is necessary to cultivate the land in time before planting. The time of cultivation should be early, the quality of cultivated land should be good, the depth of cultivated land should be consistent, and the upper and lower layers should not be missed. The clods should be completely broken to ensure that the soil is loose. In production, it is necessary to use a wide ridge for single-row cultivation. When cultivating the land, the ridge width is 66 cm, the ridge height is between 10 and 12 cm, and one ridge can be sown per ridge.
3. Apply base fertilizer
The growth rate of radish itself is relatively fast, so the demand for fertilizer is large, so it is possible to apply base fertilizer before planting. It is recommended to apply 2500-3000 kg of decomposed ring fertilizer, 100 kg of ash, and 25-30 kg of superphosphate per mu. It can be applied in combination with cultivated land and evenly mixed with the soil. The base fertilizer applied is preferably decomposed by high temperature, otherwise it is easy to damage the root, which is extremely unfavorable to the growth of radish, which makes the underground pests increase, and the radish is also easy to form tillers and form deformed roots.
4. Sowing techniques
Autumn radish is generally dominated by spreading, followed by stripping, and the best is the best. The large-sized varieties are mostly used for seeding, and the medium-sized ones are mostly used for stripping. Small varieties can be broadcast or spread. The main seeding must be dense and suitable. After planting, cover about 2 cm of thick soil. You can first water it, then cover the soil, or you can plant it first and then water it. Generally, large radish varieties have a row spacing of 40~50 cm and a plant spacing of 40 cm; medium-sized radish varieties have a row spacing of 17~27 cm; small four-season radishes have a row spacing of 5-7 cm and a plant spacing of 5-7 cm.
Autumn radish high-yield field management skills
5. Digging heart
Usually in the month before maturity, use the tip of the knife to cut directly to the new tooth, which is the middle position of the lower part of the radish, and then use the tip of the knife to dig up the piece. The radish digging the heart is indeed conducive to high yield. Because in the later stage of radish enlargement, if some are not dug, some new radish will grow out. If this happens, we need to dig the heart for the second time, so we must pay attention when we dig our hearts, especially on large-scale planting. If this happens, it will lead to an increase in labor costs. A drawback brought by the heart.
6. Loquat leaves
The method of eucalyptus leaves is that the fleshy root enlargement has almost been finalized 25 days before harvesting, and its root material accumulation process and a process of transformation and accumulation, so it is best to carry out the eucalyptus leaves at this time. We must selectively remove some unused radishes. The easiest way is to remove the outer radish scorpion, leaving only two or three pieces. Generally, this is fine. In this way, its ventilation and light transmission conditions will be improved, and the nutrient supply will give priority to the fleshy roots, and the accumulation of dry matter will begin, so that it will be late. The occurrence of jealousy and soft rot will decrease.
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