What are the key technical points for white radish planting and management?
How should white radish be managed during cultivation? Please advise. For growing white radish, you can refer to the following techniques: 1. Thinning. After the seedlings emerge, they grow rapidly, so thinning must be done in time; otherwise crowding and shading will occur, causing spindly growth. Thinning should be done early, generally 2 times. The first thinning is at 2 to 3 true leaves, and the principle is to remove the poor and keep the good. At the "belly breaking" stage, select...
How should white radish be managed during cultivation? Please advise.
For growing white radish, you can refer to the following techniques:
1. Thinning. After the seedlings emerge, they grow rapidly, so thinning must be done in time; otherwise crowding and shading will occur, causing spindly growth. Thinning should be done early, generally 2 times. The first thinning is at 2 to 3 true leaves, and the principle is to remove the poor and keep the good. At the "belly breaking" stage, select plants with the characteristics of the original variety for final thinning, leaving 1 plant per hole.
2. Watering. Germination stage: water thoroughly, with soil moisture content above 80%, to ensure fast and uniform emergence. Seedling stage: the roots are shallow and water needs are low, but supply must still be ensured, with soil moisture content around 60%; follow the principle of watering less but frequently, and control water before the "belly breaking" stage so the taproot grows downward. Leaf growth peak stage: this stage needs more water, so irrigate appropriately, but control water properly in the later period to prevent excessive leaf growth from affecting fleshy root growth. Root growth peak stage: water thoroughly and evenly to prevent root cracking; maintain soil moisture at 70% to 80% and air humidity at 80% to 90% as suitable. Watering is still needed until the late growth stage to prevent hollowing.
3. Cultivation, weeding, and earthing up. Because white radish growth requires high soil air content, the soil must be kept loose, and cultivation should be done in a timely manner. Weeding should be combined with cultivation, and earthing up must be done during cultivation. In production, cultivation, weeding, and earthing up are generally combined as three tasks.
4. Pest and disease control. Field management should pay attention to integrated control of white radish diseases. The main diseases include mosaic disease, viral disease, soft rot, and black heart disease, etc. The main pests damaging white radish are mainly aphids, cabbage caterpillars, and others. The key to disease control lies in strengthening cultivation management to make plants robust and enhance disease resistance, combining chemical control for integrated management.
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