How to plant lemon trees? What if the leaves turn yellow?

Lemon is a kind of sour fruit with yellow peel, a lot of juice and a strong fruit flavor. However, it is difficult for ordinary people to eat lemons directly. Most of them are seasoned with lemons or make fruit drinks, which are deeply loved by consumers. Lemons are more common in China, Taiwan, Fujian and other places, so how to plant lemon trees? What if the leaves turn yellow?

First, how to plant lemon trees?

1. Seed selection

Be sure to choose the right seed. Like many fruits, there are many varieties of lemons grown at present. Varieties are different, the adaptability to the environment is not the same, there are many varieties are only suitable for planting in a relatively small range, once out of this range, the production is poor, or at least can not achieve sufficient yield. So when you choose varieties, you need to be careful, it is best not to buy seedlings from too far away, so it is possible to buy lemon trees that are not suitable for the local area. In addition, different varieties, the appearance and quality of lemons are also very different.

2. Planting

It is best to choose to plant in winter. In general, planting can be carried out according to the distance of three meters between rows. This is the most important point. We must grasp it. Under normal circumstances, 56 trees can be planted on one mu of land, so that preliminary mass production can be achieved. Planting skills can be used to get a layer of livestock manure on it. When the temperature is more appropriate, Rain Water is also more sufficient. Planting is better at any time, and it is also very important to water the soil according to the weather so that the soil can maintain a good wetness.

3. Water and fertilizer

The management of fertilizer and water is also very important. After the young trees are planted, topdressing is usually carried out in the second year, which can promote the formation of the tree crown. This step is also very important. We can also add some fertilizers from livestock. We should apply fertilizer in combination with phosphate fertilizer, and water should be watered enough after fertilization, because lemon trees are not resistant to drought.

4. Pruning

In general, the growth of lemon trees is very good, but in the process of growth can not avoid the growth of other branches and leaves, it must be pruned at a fixed time. When the lemon blossoms, prune the branches quickly, and the lemon will grow particularly beautiful. In the process of pruning, the technique must be light, not heavy, the lemon tree flower preservation process is also very important, it can inhibit the growth of treetops and promote flower buds to bloom.

5. Fertilization

Fertilization should be carried out according to the weather. If the water source is insufficient, dripping irrigation can be used, plus rice straw or straw to humidify and cool down. The focus of fertilization for lemon trees is to increase the expansion of the fruit and enhance the development energy of the fruit after the flower has faded.

Second, what if the leaves of lemon trees turn yellow?

First, after flowering, yellowing and falling leaves are generally caused by malnutrition. Can be sprayed with potassium dihydrogen phosphate, this fertilizer not only contains nitrogen, phosphorus and potassium, but also contains a large number of trace elements, usage: foliar spray 0.3%, at the same time soil application in the basin, growing season once a month.

Second, iron deficiency and element deficiency lead to yellowing of lemon leaves to supplement vegetarian yellow flowers or iron-containing fertilizers.

Third, the bark is rotten and the smell of distiller's grains is usually caused by root rot that causes lemon leaves to turn yellow. Often caused by excessive stagnant water in the basin or excessive fertilization, the disease part, together with a small number of healthy tissues, can be scraped clean with a sharp knife and coated with 100 times of Wang copper and 200-300 times of topzine, waiting for the wound to heal and then cover the soil.

Fourth, the lemon leaves caused by pests yellowing should be artificially disinfested, or sprayed with corresponding chemicals.