The leek should be rooted before the soil is cultivated.
Many vegetable growers who grow amaranth believe that the residual roots do not affect the germination and growth of the new roots, so they are directly cultivated without rooting. The author believes that this practice is not conducive to the germination and growth of new roots of amaranth.
Because the leek has been growing for several years, the old roots are dying, and the new roots will gradually move up. If the old roots are not removed, the chances of new roots contacting the soil will gradually decrease, which will naturally affect the absorption of nutrients and water by new roots. Moreover, the existence of the old roots will also reduce the tillering of the leek, resulting in a significant drop in production. If the old roots of amaranth are removed, not only can the new roots absorb the water and fertilizer capacity, but also increase the tiller and increase the yield.
Before the germination of amaranth, use the iron shovel to dig deep and wide about 6 cm in the rhizosphere soil of the leek, and remove the soil in the middle of each plexus, reaching the roots to expose the rhizome, and removing the dead roots and small The division. Spread the excavated soil in the rows to dry, then pinch the roots of the leek and fill it with fine soil. When filling the soil, an appropriate amount of grass ash can be added to prevent root mites.
In addition, for the leek culture, the sandy loam or the seedbed soil of the seedlings can be used. The soil can play a role in topdressing the leek. For the leek culture, the roots must be carried out before the roots of the leek. The thickness of the soil depends on the height of the new roots, generally 3 to 4 cm.
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