What are the methods of pruning Rhodiola in spring? How to apply fertilizer in spring?

Rhodiola is blindly widely used medicine, has the effect of beauty and beauty, can be used as skin care products can also be eaten, so it is loved by the majority of female friends. Spring is the season for pruning and fertilizing Rhodiola, so what are the pruning methods of Rhodiola in spring? How to apply fertilizer in spring?

1. Pruning method of Rhodiola in spring

1. Sparse branches. First of all, the dead branches, disease and insect branches, injured branches, acupuncture branches and cross-cutting branches should be cut off, and then the fruit branches that are too dense should be cut. When thinning fruit branches, first remove shade branches, lower back branches, thin and weak branches; then remove upper branches and middle branches; if it is still dense, then sparse both sides of the branches, and after pruning, the distance between fruit branches is 5-6 cm, and they are all white branches with full growth and strong fruiting power.

two。 Deal with the growing branches. The elongated branches growing at the droop of the backbone branches are reserved as the elongated branches of the backbone branches, and cut properly to stabilize the branch potential and extension direction; if there is space near the elongated branches, properly truncated, they are cultivated into fruiting branch groups, expanding the crown and increasing the fruiting area; useless elongated branches are cut off from the base.

3. Update the rejuvenation result branch group. The fruiting branch group of Rhodiola was bent and drooping after fruiting for 2 years, and the fruiting ability was reduced. for this fruiting branch group, 3-5 cm was left short. After sprouting in spring, a bud with suitable growth direction and strong position was selected and cultured into a new fruiting branch group by coring.

4. Renew the fruiting branches of culture. The fruiting ability of Rhodiola is different due to different varieties, some can bear fruit for two seasons in a row, some can only bear fruit in one season, or only bear small and few fruits at the top. As a result, the weak fruit branches are characterized by grayish brown branches and obvious very short branches.

This kind of fruit branch must be truncated and updated in time. To help the editor of the rural network remind, generally cut from the bending and drooping of the fruit branches, the sturdy short cut is 1 prime 2, the weak short cut 2 is 3, and the weak one is only 5-6 cm short, and the degree of short cut would rather be light than heavy.

2. Methods of planting and fertilization of Rhodiola

1. In order to meet the needs of the growth and development of aboveground and underground parts and to provide a large number of fruits every year, seedlings have to absorb a lot of nutrients from the soil every year, especially the adult seedlings.

two。 The continuous consumption of Rhodiola has a long growth cycle, generally speaking, the same plant will continue to grow on the same plot for more than ten years. Because of its fixed position and continuous absorption of nutrients, Rhodiola often causes excessive consumption of some nutrient elements in the soil. Therefore, it must be replenished in time through fertilization. Otherwise, the deficiency of some trace elements (such as iron, boron, zinc) will affect the fruit yield and quality. Rhodiola garden should pay attention to the proper application of a large amount of bio-organic fertilizer, which is suitable for the agrochemical characteristics of specific soil and the needs of trace elements for Rhodiola seedlings.

3. Need to keep Rhodiola seedlings before winter, in its roots, branches, stems, store a large number of nutrients, in addition to carbohydrates, there are nitrogen compounds and a variety of mineral elements. Seedlings sprout, bloom and grow in early spring, which mainly consumes the nutrients stored in the tree. Therefore, from fruit harvest to defoliation, base fertilizer should be applied early, mainly organic fertilizer, combined with part of nitrogen, phosphorus and potassium fertilizer, so that the rich nutrients stored in the tree can be used in early spring next year, which can improve the rate of flowering and fruit setting, promote the robust growth of branches, fruit hypertrophy and increase yield. It is suggested that the early application of base fertilizer is also beneficial to overcome the annual fruiting phenomenon of fruit trees.

4. This characteristic must be paid attention to when fertilizing seedlings with strong ability to absorb deep nutrients. At the same time, the underdeveloped root system of seedlings has a strong ability to absorb fertilizer longitudinally, and its adaptability to external environmental conditions is stronger than that of field crops or vegetable crops. In particular, adult seedlings can absorb some nutrients from the lower soil to supplement the nutrient deficiency in the upper soil. When fertilizing fruit trees, we should consider not only the topsoil, but also the soil nutrition status of a large number of root distribution layers, and apply fertilizer to a certain depth, so as to facilitate the directional fertilizer growth and root growth of Rhodiola root. it is beneficial to root absorption and improvement of fertilizer use efficiency and survival and yield increase efficiency.

5. The nutritional characteristics of seedlings with annual cycle are perennial crops, and the nutritional characteristics of annual cycle are as follows: at the initial stage of growth (sprouting, flowering and rapid growth of branches and leaves), the demand for nitrogen is the most, and then the requirement begins to decrease, and a certain amount of nitrogen is still needed after fruit harvest; the content of phosphorus increased in the growing period, but did not change much until the later stage; the content of potassium was more in the early stage of growth, and it was the peak of potassium uptake in the middle of growth.