If you want lettuce to grow thick and not crack, you can choose a sandy soil with good drainage and loose and fertile soil to plant lettuce, and in the process of maintenance, you can regularly remove the leaves for it to help save nutrients for the plant, and you can also provide balanced inorganic fertilizers for lettuce to improve the growth rate of the plant, and you can also strictly control the amount of watering for it to avoid over-watering, and the branches and trunks are cracked.
Lettuce how to become thick and not crack
1, choose the soil
Want to make lettuce thick and not crack, you need to choose the right soil for planting. Lettuce is suitable for growth in the mineral content is rich, good drainage in the soil, planting lettuce, you can use the micronutrient content is rich, good permeability of sandy soil or yellow loam, in the planting also need to loosen the soil once a month.
2, control water
Lettuce cracking, is due to the phenomenon caused by long-term rain or watering too much, so in order to let lettuce grow thick and not crack, you can strictly control the water for the plant, it is best to be in the case of the soil is dry, for lettuce to water non-polluting water, soak all of the soil in the rainy weather as well as the soil is moist, it is necessary to stop the rainy weather and the soil is wet. When the soil is wet, it is necessary to stop the water supply and timely drainage.
3, scientific fertilization
Want to let the lettuce grow thick and not crack, you can also provide it with balanced nutrition. It is best to use nitrogen fertilizer or well-rotted organic fertilizer in the more vigorous growth period of lettuce to improve the growth rate of the plant, and in the process of daily maintenance, you can provide lettuce with phosphorus and potassium fertilizer-based fertilizer, so that the plant grows better.
4, regular leaf removal
To make the lettuce grow thicker and not crack, you can also remove the leaves of the plant on a regular basis. When the lettuce is ripe, you can remove the aging leaves from the roots of the plant to help the plant save nutrients. When the lettuce grows too vigorously, you can remove the shoots at the top of the plant to inhibit the growth of the top, so that the plant can deliver more nutrients to the branches.