A high-efficiency cultivation method for albino tea trees under high mountain conditions

Abstract

The invention discloses an efficient cultivation method of albino tea trees under alpine conditions, and belongs to the field of agricultural planting technology. The present invention adopts a two-stage seedling method to cultivate tea seedlings. After cutting seedlings and secondary hardening, the adaptability of tea seedlings to the environment is greatly improved. In an alpine environment, the five-year survival rate is increased by more than 15% compared with direct transplanting; at the same time, the method of the present invention can be used to plant "Bai Ye No. 1" tea trees under high altitude (700-1000m above sea level) environment, and the planting altitude is much higher than the origin Anji (below 400m), which greatly improves the planting range of "Bai Ye No. 1". The present invention achieves that all tea trees should be picked during the albino period, reduces the impact of the albino period on the growth of tea trees, and improves the yield per unit area and the survival rate of tea seedlings. And the post-picking pruning time is set within 1 week before and after Grain Rain, which is more accurate than the pruning time of traditional technology, improves the efficiency of albino greening and shortens the albino period, thereby improving the survival rate of tea trees.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural planting, and particularly relates to a high-efficiency cultivation method for albino tea trees under high mountain conditions. Background Art

[0002] Qingchuan County, Guangyuan City is one of the five counties in three provinces where Anji, Zhejiang Province donated the "White Leaf No. 1" tea seedlings. However, due to the large differences in environmental and climatic conditions of the tea gardens in the two places, such as the altitude of Qingchuan (700-1000m) is much higher than that of Anji (below 400m), the plot area is small, mostly terraces or slopes, the soil has poor air permeability, the soil layer is thin, the organic matter content is generally low, and the low temperature time in spring is long, resulting in the albino period of tea trees when they were first introduced to Qingchuan for nearly 60 days, and the survival rate is low. Therefore, it is imperative to solve the problem of cultivating "White Leaf No. 1" tea trees in a foreign high mountain environment. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an efficient cultivation method for albino tea trees under high mountain conditions, so as to solve the technical problems of long albino period and low survival rate of "Bai Ye No. 1" tea trees when planted in other places.

[0004] To achieve the above object, the technical solution adopted by the present invention is: to provide an efficient cultivation method of albino tea trees under high mountain conditions, comprising the following steps:

[0005] S1, plowing the planting land and digging planting trenches, filling the planting trenches after applying basal fertilizer, and then digging planting holes at the original planting trenches;

[0006] S2, cutting a semi-lignified tea tree stem segment with one leaf to obtain a cutting seedling with a height of 0.15-0.2m, and then placing the cutting seedling in a scattered light gathering place at an altitude of 750-850m to harden the seedling until October-November of the same year;

[0007] S3. Transplant the hardened tea tree seedlings into the planting holes in October-November. Harvest all the albino leaves of the tea trees in January-March of the second year after transplanting. Then apply fertilizers in stages and start pruning the tea trees in the third year.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows:

[0009] Furthermore, the amount of base fertilizer applied in S1 is 3-7 tons / mu.

[0010] Furthermore, the tea tree is a "White Leaf No. 1" temperature-sensitive albino tea tree.

[0011] Furthermore, the altitude of the planting site is 700-1000m.

[0012] Furthermore, the spacing between the planting trenches is 0.6-1.5m.

[0013] Furthermore, the density of planting holes is 1650-2250 holes per mu.

[0014] Furthermore, during the hardening period, the soil humidity of the environment in which the tea tree seedlings are located is 70-90%, and the air humidity is 70-80%.

[0015] Furthermore, the cultivation mode of tea seedlings is a double-row, two-plant flat land cultivation mode, a single-row, two-plant terrace cultivation mode or a single-row, two-plant steep slope cultivation mode.

[0016] Furthermore, the row spacing of the double-row, double-plant flat land cultivation mode is 1-1.5m, and the nest spacing is 0.3-0.4m; the row spacing of the single-row, double-plant terrace cultivation mode is 0.8-1.2m, and the nest spacing is 0.25-0.35m; the row spacing of the single-row, double-plant steep slope cultivation mode is 0.6-1m, and the nest spacing is 0.35-0.45m.

[0017] Furthermore, the planting density of tea seedlings is 3300-4500 plants per mu.

[0018] Further, the specific stages of fertilization are:

[0019] S301. In the second year, after the albino leaves are harvested, they are first sprayed with 1.5-1.8 g / L potassium dihydrogen phosphate on the leaves. Then, within 10 days after the Grain Rain, 8-12 kg of compound fertilizer per mu are applied to promote the shoots, within 10 days before the Beginning of Autumn, 8-12 kg of compound fertilizer per mu are applied to autumn shoots, within 10 days before the Beginning of Autumn, 1010-2020 kg of base fertilizer per mu are applied within 10 days before the Frost Descent, and within 10 days before and after the Light Snow, 200-500 kg of farmyard manure is applied per mu.

[0020] S302. After picking the spring tea in the third year, first spray the leaves with 1.5-1.8g / L potassium dihydrogen phosphate, then apply shoot-promoting fertilizer within 10 days after Grain Rain, apply 13-17kg compound fertilizer per mu, apply autumn shoot fertilizer within 10 days before Beginning of Autumn, apply 13-17kg compound fertilizer and 3-7kg urea per mu, apply 1015-2020kg base fertilizer per mu within 10 days before Frost, apply warming fertilizer within 10 days before and after Minor Snow, and apply 300-600kg farmyard manure per mu;

[0021] S303. In the fourth year and every year thereafter, apply 13-17 kg of compound fertilizer per mu within 10 days after the beginning of spring. The fertilization process after spring tea picking is the same as S302.

[0022] Furthermore, the base fertilizer is a mixture of farmyard manure and compound fertilizer in a mass ratio of 1000-2000:10-20.

[0023] Furthermore, the pruning time of tea trees in S3 is within 1 week before and after Grain Rain.

[0024] The beneficial effects of the present invention are:

[0025] 1. The present invention adopts a two-stage seedling raising method to cultivate tea seedlings. After cutting seedling raising and secondary seedling hardening culture, the adaptability of the tea seedlings to the environment is greatly improved. In a high mountain environment, the five-year survival rate is increased by more than 15% compared with direct transplanting. At the same time, the method of the present invention can be used to plant "Bai Ye No. 1" tea trees in a high altitude environment (700-1000m above sea level), and the planting altitude is much higher than the original place of Anji (below 400m), which greatly improves the planting range of "Bai Ye No. 1".

[0026] 2. There are three alpine cultivation modes for tea tree seedlings of the present invention, namely, double-row double-plant flatland cultivation mode (suitable for large alpine flatland or wide terraces), single-row double-plant terrace cultivation mode (suitable for terraces, especially narrow terraces) and single-row double-plant steep slope cultivation mode (suitable for non-continuous slopes in mountainous areas). Compared with the traditional cultivation mode, the cultivation mode of the present invention has moderately dense planting, which makes up for the effect of slow growth of tea trees on yield in alpine environments.

[0027] 3. During the albino period, the chlorophyll content of tea leaves is low and the photosynthetic capacity is poor. The present invention achieves the goal of picking as much tea as possible during the albino period, reduces the impact of the albino period on the growth of tea trees, and improves the yield per unit area and survival rate of tea seedlings. In addition, the post-harvest pruning time is set within 1 week before and after Grain Rain, which is more accurate than the pruning time of traditional technology, improves the efficiency of albino-greening and shortens the albino period, thereby improving the survival rate of tea trees and making the growth of tea seedlings in summer and autumn generally more vigorous and neat. DETAILED DESCRIPTION

[0028] The specific embodiments of the present invention are described below to facilitate the understanding of the present invention by those skilled in the art. If the specific conditions are not specified in the examples, the methods are carried out according to conventional conditions or conditions recommended by the manufacturer. If the manufacturers are not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially. However, it should be clear that the present invention is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present invention defined and determined by the attached claims, these changes are obvious, and all inventions and creations using the concept of the present invention are protected.

[0029] Example 1

[0030] An efficient cultivation method for albino tea trees under high mountain conditions comprises the following steps:

[0031] S1. In 2019, 130 mu of terraced land with an average altitude of 800 m was selected in Tongmuqiao, Wali Village, Qingchuan County as planting land. The planting land was plowed (the plowing depth was 0.35 m) and planting trenches were dug. The spacing between the planting trenches was 1 m. After applying basal fertilizer at a rate of 5 tons / mu, the planting trenches were filled, and then planting holes were dug at the location of the original planting trenches (density of 1800 holes / mu); the basal fertilizer was a mixture of cow dung and compound fertilizer at a mass ratio of 1500:15;

[0032] S2. Cuttings were made from stem segments of semi-lignified "Bai Ye No. 1" thermosensitive albino tea trees with one leaf to obtain cuttings with a height of 0.18 m, and then the cuttings were placed in a scattered light gathering place at an altitude of 800 m for hardening until November 2019. During the hardening period, the soil humidity of the cuttings was maintained at 80% and the air humidity was maintained at 75%;

[0033] S3. A single-row double-plant terrace cultivation mode is adopted, with a row spacing of 1m and a hole spacing of 0.3m. The tea seedlings after hardening are transplanted into the planting holes in November 2019, with 2 seedlings in each planting hole. The soil around the tea seedlings is compacted and watered. In January of the second year after transplanting, all the albino leaves of the tea trees are harvested, and then fertilized in stages. In the third year, the tea trees are pruned (all albino leaves are cut off) within 1 week before and after Grain Rain until they become bushes (the average height of the plants is 0.9m). After they become bushes, they are lightly pruned according to their growth each year. The specific staged fertilization is as follows:

[0034] S301. In 2020, after the albino leaves are harvested, they are sprayed with 1.7g / L potassium dihydrogen phosphate on the leaves. Then, 10kg of compound fertilizer is applied per mu within 10 days after Grain Rain, 10kg of compound fertilizer is applied per mu within 10 days before Beginning of Autumn, 1612kg of base fertilizer is applied per mu within 10 days before Frost, and 300kg of cow dung is applied per mu within 10 days before and after Light Snow.

[0035] S302. After picking the spring tea in 2021, first spray the leaves with 1.7g / L potassium dihydrogen phosphate, then apply 15kg of compound fertilizer per mu within 10 days after Grain Rain, 15kg of compound fertilizer and 5kg of urea per mu within 10 days before Beginning of Autumn, 2020kg of base fertilizer per mu within 10 days before Frost, and 400kg of cow dung per mu within 10 days before and after Light Snow;

[0036] S303: In 2022 and thereafter, apply 15kg of compound fertilizer per mu within 10 days after the beginning of spring. The fertilization process after spring tea picking is the same as S302;

[0037] The sixth year is the peak production period, with an average of 58 kg of fresh leaves harvested per acre.

[0038] The albino period of the tea trees of the origin of "Bai Ye No. 1" is 15-20 days. After being transplanted to Qingchuan, the albino period of the tea trees in the first and second years is 45-55 days. As time goes by, the albino period is gradually shortened. In the fifth year, the albino period is only 25-35 days, which is shortened by 10-30 days. This shows that the method of the present invention can effectively shorten the albino period of the tea trees of "Bai Ye No. 1" and reduce the impact of the albino period on the growth of the tea trees.

[0039] Example 2

[0040] An efficient cultivation method for albino tea trees under high mountain conditions comprises the following steps:

[0041] S1. 130 mu of flat land with an average altitude of 750 m was selected as the planting land. The planting land was plowed (the plowing depth was 0.35 m) and planting trenches were dug. The spacing between the planting trenches was 1.5 m. After applying basal fertilizer at a rate of 7 tons / mu, the planting trenches were filled, and then planting holes were dug at the location of the original planting trenches (density was 1650 holes / mu); the basal fertilizer was a mixture of cow dung and compound fertilizer at a mass ratio of 2000:10;

[0042] S2, cutting the stem segments of the semi-lignified "Bai Ye No. 1" thermosensitive albino tea tree with one leaf to obtain cutting seedlings with a height of 0.15m, and then placing the cutting seedlings in a scattered light gathering place with an altitude of 750m to harden the seedlings until November of the same year, and during the hardening period, the soil humidity of the cutting seedlings was maintained at 70% and the air humidity was maintained at 70%;

[0043] S3. A double-row, double-plant flat cultivation mode is adopted, with a row spacing of 1.5m and a hole spacing of 0.4m. The tea seedlings after hardening are transplanted into the planting holes in November of the same year, with 2 seedlings in each planting hole. The soil around the tea seedlings is compacted and watered. In January of the second year after transplanting, all the albino leaves of the tea trees are harvested, and then fertilized in stages. In the third year, the tea trees are pruned (all albino leaves are cut off) within 1 week before and after Grain Rain (the average height of the plants is 0.8m), and light pruning is performed according to the growth of each year after the trees are hardened. The specific staged fertilization is as follows:

[0044] S301. In the second year, after the albino leaves are harvested, they are first sprayed with 1.5 g / L potassium dihydrogen phosphate on the leaves, and then 8 kg of compound fertilizer is applied per mu within 10 days after Grain Rain, 8 kg of compound fertilizer is applied per mu within 10 days before Beginning of Autumn, 1610 kg of base fertilizer is applied per mu within 10 days before Frost, and 350 kg of cow dung is applied per mu within 10 days before and after Light Snow;

[0045] S302. After picking the spring tea in the third year, spray the leaves with 1.8g / L potassium dihydrogen phosphate, then apply 17kg compound fertilizer per mu within 10 days after Grain Rain, 17kg compound fertilizer and 7kg urea per mu within 10 days before Beginning of Autumn, 2020kg base fertilizer per mu within 10 days before Frost, and 500kg cow dung per mu within 10 days before and after Light Snow;

[0046] S303: In the fourth year and every year thereafter, apply 13kg of compound fertilizer per mu within 10 days after the beginning of spring. The fertilization process after spring tea picking is the same as S302;

[0047] The sixth year is the peak production period, with an average of 53 kg of fresh leaves harvested per acre.

[0048] Example 3

[0049] An efficient cultivation method for albino tea trees under high mountain conditions comprises the following steps:

[0050] S1. Select 130 mu of steep slope with an average altitude of 850m as planting land, plow the planting land (plowing depth is 0.35m) and dig planting trenches with a spacing of 0.6m. Apply basal fertilizer at a rate of 3 tons / mu and fill the planting trenches, then dig planting holes at the location of the original planting trenches (density is 1900 holes / mu); the basal fertilizer is a mixture of cow dung and compound fertilizer at a mass ratio of 1000:20;

[0051] S2, cutting the stem segments of the semi-lignified "Bai Ye No. 1" thermosensitive albino tea tree with one leaf to obtain cutting seedlings with a height of 0.2m, and then placing the cutting seedlings in a scattered light gathering place with an altitude of 850m to harden the seedlings until October of the same year, during which the soil humidity of the cutting seedlings was maintained at 90% and the air humidity was maintained at 80%;

[0052] S3. A single-row, double-plant steep slope cultivation mode is adopted, with a row spacing of 0.6m and a hole spacing of 0.35m. The tea seedlings after hardening are transplanted into the planting holes in October of the current year, with 2 seedlings in each planting hole. The soil around the tea seedlings is compacted and watered. In January of the second year after transplanting, all the albino leaves of the tea trees are harvested, and then fertilized in stages. In the third year, the tea trees are pruned (all albino leaves are cut off) within 1 week before and after Grain Rain (the average height of the plants is 1m), and light pruning is performed according to the growth of each year after the trees are hardened. The specific staged fertilization is as follows:

[0053] S301. In the second year, after the albino leaves are harvested, they are first sprayed with 1.8 g / L potassium dihydrogen phosphate on the leaves, and then 12 kg of compound fertilizer is applied per mu within 10 days after Grain Rain, 12 kg of compound fertilizer is applied per mu within 10 days before Beginning of Autumn, 16-12 kg of base fertilizer is applied per mu within 10 days before Frost, and 250 kg of cow dung is applied per mu within 10 days before and after Light Snow;

[0054] S302. After picking the spring tea in the third year, first spray the leaves with 1.5g / L potassium dihydrogen phosphate, then apply 13kg compound fertilizer per mu within 10 days after Grain Rain, 13kg compound fertilizer and 3kg urea per mu within 10 days before Beginning of Autumn, 2018kg base fertilizer per mu within 10 days before Frost, and 300kg cow dung per mu within 10 days before and after Light Snow;

[0055] S303: In the fourth year and every year thereafter, apply 17kg of compound fertilizer per mu within 10 days after the beginning of spring. The fertilization process after spring tea picking is the same as S302;

[0056] The sixth year marks the peak production period, with an average harvest of 50.1 kg of fresh leaves per acre.

[0057] Tea leaves were picked from the tea trees planted in Examples 1-3, and the "Bai Ye No. 1" tea from the place of origin was used as a control group. The white tea product was obtained by adopting the "Technical Regulations for the Production of Qifo Gongcha, a Geographical Standard Protected Product" (DB5108 / T32--2022). The free amino acids, tea polyphenols, water extracts and caffeine contents in the white tea products were detected with reference to the standards of "Determination of Total Free Amino Acids in Tea" (GBT 8314-87), "Determination Method for the Content of Tea Polyphenols and Catechins in Tea" (GB / T 8313-2018), "Determination Method for Tea Water Extract" (GB / T 8305-87) and "Determination Method for Caffeine in Tea" (GBT8314-87). The results are shown in Table 1.

[0058] Table 1 Data on free amino acids, tea polyphenols, water extracts and caffeine content

[0059]

[0060]

[0061] As can be seen from Table 1, compared with the "Bai Ye No. 1" product from the place of origin, the tea leaves grown by the present invention have higher contents of free amino acids and water extracts after processing, with an average free amino acid content of 81.6% higher and a water extract content of 16.2% higher, and a lower caffeine content, which is 23.4% lower than the control group, and has a mellow and fresh taste; the tea polyphenol content of the embodiment is similar to that of the control group.

[0062] Comparative Example 1

[0063] The difference between this comparative example and Example 1 is that the seedling hardening process in step S2 is omitted, and the cutting seedlings are directly transplanted. The remaining steps are the same as in Example 1. The survival rate of the tea seedlings is shown in Table 2.

[0064] Table 2 Survival rate data of direct transplanting and two-stage seedling transplanting

[0065] Survival rate (%) First Year Year 2 Year 3 Year 4 Year 5 Embodiment 1 (two-stage seedling raising) 97.2 96.3 93.2 93.1 93.1 Comparative Example 1 (direct transplanting) 92.5 87.1 78.4 78.3 78.0

[0066] As can be seen from Table 2, the survival rate of tea trees after two-stage seedling cultivation is higher than that of direct transplanting, and the survival rate of tea seedlings is increased by 4.7-15.1%. This is because the two-stage seedling cultivation method adopted by the present invention includes two stages: soil cultivation and nutrient bag cultivation. After the second cultivation in nutrient bags, the tea seedlings are generally stronger, the weak seedling rate is reduced, and the survival rate is improved.

[0067] Comparative Example 2

[0068] The difference between this comparative example and Example 1 is that the pruning time of the third-year tea trees in step S3 is set to 2 weeks before Grain Rain, 1 week before Grain Rain, 1 week after Grain Rain and 2 weeks after Grain Rain, respectively, and the remaining steps are the same as in Example 1. The survival rate (taking the first year as an example) and the albino period (taking the fifth year as an example) data of the tea seedlings are shown in Table 3.

[0069] Table 3 Effect of pruning time on tea tree survival rate and bleaching period

[0070] Survival rate (%) Albino period (days) 2 weeks before Grain Rain 89.2 34 1 week before Grain Rain 95.8 28 1 week after Grain Rain 96.5 29 2 weeks after Grain Rain 88.3 36

[0071] As can be seen from Table 3, the survival rate of tea trees within 1 week before and after Grain Rain is the highest, which is 95.8-96.5%, and the albino period is relatively short, which is 28-29 days. The present invention performs post-harvest pruning within 1 week before and after Grain Rain, cuts off the albino leaves, promotes budding, and the new buds at this time generally no longer albino, can better perform photosynthesis, and maximize the effective growth time of the new shoots of tea trees. If the albino leaves are not cut off, it is not easy to regreen in high-altitude areas. The albino leaves at this time not only cannot perform photosynthesis, but also consume nutrients; choose an appropriate time to prune, and the new buds that are triggered after cutting off will no longer albino, and will directly grow into green leaves. If the pruning time is too early (2 weeks before Grain Rain), the triggered new buds will still be albino; ​​if the pruning time is too late (2 weeks after Grain Rain), although the triggered new buds are green leaves, the effective growth time will be shortened accordingly, which also affects the growth of tea trees.

[0072] Comparative Example 3

[0073] The difference between this comparative example and Example 1 is that: in step S3, a shaping pruning process is added after all the albino leaves of the second year are harvested, and the remaining steps are the same as those of Example 1. The survival rate of the tea seedlings is shown in Table 4.

[0074] Table 4 Effect of pruning time on tea tree survival rate

[0075] Survival rate (%) First Year Year 2 Year 3 Year 4 Example 1 98.5 98 92.8 92.5 Comparative Example 3 98.3 95 88.7 86.2

[0076] As can be seen from Table 4, if the tea trees are pruned after all the albino leaves are harvested in the second year, the survival rate of the tea seedlings will be reduced. This is because the altitude and latitude of "Bai Ye No. 1" in Qingchuan are high, the low temperature lasts for a long time, the soil is poor, and the effective growth period is short. The tea seedlings in the second year after transplanting do not grow high enough, and some roots are still in the recovery period or have insufficient growth and development, resulting in the inability to meet the nutritional needs of the tea seedlings for trauma recovery and growth caused by shaping pruning. Therefore, shaping pruning will have a higher survival rate if the root system is well developed and growing vigorously in the third year after transplanting.

Claims

1. A highly efficient cultivation method for albino tea trees under high mountain conditions, characterized in that: The following steps are involved: S1, plowing the planting land and digging planting trenches, filling the planting trenches after applying basal fertilizer, and then digging planting holes at the original planting trenches; S2, cutting a semi-lignified tea tree stem segment with one leaf to obtain a cutting seedling with a height of 0.15-0.2m, and then placing the cutting seedling in a scattered light gathering place at an altitude of 750-850m to harden the seedling until October-November of the same year; during the hardening period, the soil humidity of the environment in which the tea tree seedling is located is 70-90%, and the air humidity is 70-80%; S3. Transplant the hardened tea tree seedlings into the planting holes in October-November. Harvest all the albino leaves of the tea trees in January-March of the second year after transplanting. Then apply fertilizers in stages and start pruning the tea trees in the third year. The pruning time for tea trees is within 1 week before and after Grain Rain.

2. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 1, characterized in that: The altitude of the planting site is 700-1000m.

3. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 1, characterized in that: The spacing between the planting trenches is 0.6-1.5m.

4. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 1, characterized in that: The density of the planting holes is 1650-2250 holes per mu.

5. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 1, characterized in that: The tea tree seedlings are cultivated in a double-row, double-plant, flat-land cultivation mode, a single-row, double-plant, terraced-land cultivation mode or a single-row, double-plant, steep-slope cultivation mode.

6. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 5, characterized in that: The row spacing of the double-row, double-plant flat land cultivation mode is 1-1.5m, and the nest spacing is 0.3-0.4m; the row spacing of the single-row, double-plant terrace land cultivation mode is 0.8-1.2m, and the nest spacing is 0.25-0.35m; the row spacing of the single-row, double-plant steep slope cultivation mode is 0.6-1m, and the nest spacing is 0.35-0.45m.

7. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 1, characterized in that: The staged fertilization is specifically as follows: S301. In the second year, after the albino leaves are harvested, they are first sprayed with 1.5-1.8 g / L potassium dihydrogen phosphate on the leaves, and then 8-12 kg of compound fertilizer is applied per mu within 10 days after Grain Rain, 8-12 kg of compound fertilizer is applied per mu within 10 days before Beginning of Autumn, 1010-2020 kg of base fertilizer is applied per mu within 10 days before Frost, and 200-500 kg of farmyard manure is applied per mu within 10 days before and after Light Snow; S302. After picking the spring tea in the third year, first spray the leaves with 1.5-1.8g / L potassium dihydrogen phosphate, then apply 13-17kg compound fertilizer per mu within 10 days after Grain Rain, 13-17kg compound fertilizer and 3-7kg urea per mu within 10 days before Beginning of Autumn, 1015-2020kg base fertilizer per mu within 10 days before Frost, and 300-600kg farmyard manure per mu within 10 days before and after Light Snow; S303. In the fourth year and every year thereafter, apply 13-17 kg of compound fertilizer per mu within 10 days after the beginning of spring. The fertilization process after spring tea picking is the same as S302.

8. The high-efficiency cultivation method of albino tea trees under high mountain conditions according to claim 1 or 7, characterized in that: The base fertilizer is prepared by mixing farmyard manure and compound fertilizer in a mass ratio of 1000-2000:10-20.

Images