Summer Tea Garden Management
(1) Strengthen management, pay attention to water conservation, timely drainage and irrigation, and top dressing. The timely irrigation in summer and autumn is conducive to maintaining the normal physiological metabolism of tea, and the effect of increasing yield and quality is obvious. The use of natural precipitation for stagnant water, water retention, and water diversion from Tanggu Canal are the main measures for water supply. Where there are conditions, the whole park can be poured and dredged or sprayed to provide water for tea plants to meet the growing needs. There are many ways to preserve water, such as cleaning, building irrigation systems for tea gardens, building water storage ditch pools, and paving between tea gardens to help reduce turbulence and increase water storage. For the tea gardens affected by waterlogging, it is imperative to clear the gutters and irrigation in time, strengthen the management of tea gardens, and urgently repair the water destroyed tea gardens and the slopes into the tea gardens so that roads, ditches and gardens can be matched. In particular, new tea gardens, young tea plants, undeveloped root systems, and susceptibility to culprits due to susceptibility to death caused by catastrophic death, should be timely repaired and drained. The most effective way is to cover the whole park and ensure early gardening, early production and early production. Effective.
(2) Weeding and weeding, chasing fertilizer. After the tea garden soil is stamped and pressed by the spring, the surface of the soil is generally firm, affecting the root activity of the tea plant. At the same time, as the temperature rises and rain increases, the growth of weeds in the tea garden is accelerated, and at the same time, a large number of pests and diseases can also be bred. Therefore, after the spring tea is over, the soil should be ploughed loose and the weeds should be eradicated. Even if herbicides are used in the tea plantations, after the spring tea is harvested, it is necessary to combine shallow ploughing with fertilizers, generally 10-15 cm. Shallow ploughing can destroy the capillary in the surface layer of the soil and reduce the evaporation of the lower layer of water. It can not only suppress and reduce the growth of weeds, but also loosen the topsoil, which has water-retaining and drought-resistance effects on summer tea gardens. For young tea gardens, it is emphasized that as much as possible, beech grass, pond grass, straw, straw, etc. should be covered in the whole park to prevent weed regeneration, reduce soil temperature and water evaporation, prevent flooding and soil erosion, and increase soil organic matter. All have significant functions and should be vigorously promoted and applied. The general mu covers about 1,000 kilograms. The fertilization should be applied as early as possible. The amount of topdressing before the autumn tea after the summer tea should account for 20% of the topdressing for the whole year. The average age of the tea gardens should be 40-50 kg per mu, and the amount of high-yielding tea gardens should be appropriately increased.
(3) Miaomiao Miao, planting green manure. For newly developed tea gardens, due to drought and other reasons, the survival rate decreased, resulting in the lack of plant ridges, in the late autumn season, according to planting tea plantation specifications to re-fill the seedlings, pouring enough rooting water to ensure survival. In order to enhance the ability of young tea seedlings to resist normal drought and defrost and increase soil organic matter, the autumn and winter green manures can be interplanted among large tea plantations, and they can be greened in early April of the following year. The winter green manure is mainly a bean crop, such as peas, fertile radishes, broad beans, and milk vetch, etc., which can be combined with late autumn tea plantations and deep plowing. Seeds are planted from late September to early October. High mountains are planted slightly earlier to facilitate seedling growth. Growing safely and overwintering, pay attention to planting winter fertilizer, apply some fertilizer between the tea rows, use small fertilizers to grow large fertilizers, apply fertilizer for spring fertilizer before sowing, and raise the seedlings with a small amount of nitrogen fertilizer to increase the yield of green manure. In summer, there is more rainwater, and the water and soil loss in the tea garden is serious. After the storm water, the temperature is high and the soil evaporates. It is prone to drought. Grass planting in tea gardens has the effect of preventing soil erosion, reducing soil moisture evaporation, and inhibiting the growth of weeds. At the same time, soil temperature in summer tea gardens can be reduced and soil organic matter can be increased. Commonly used covering materials include straw, bean stalks, green manure, etc., and also mountain grass.
(4) Tea plant pest control. Implement the principle of "prevention first, comprehensive prevention and control". Weeds are often used to keep the tea gardens airy and clear; we should properly drain the drains to avoid water accumulation in the tea gardens; we must carefully cut off branches with pests and diseases during the trimming period; timely, batch, and diligent harvesting can reduce the occurrence of pests and diseases. In the prevention and control of pesticides, it is forbidden to use chemical pesticides and promote the use of biological pesticides. In order to ensure green and non-polluting tea leaves, methods such as trapping and killing, and manual killing and removal should be actively promoted.
Tea pods, green leaf tea leaves: Chinese herbal extract 50 ml plus tea saponin 50 ml 15 kg of water spray.
The first peak period of the small green leafhopper is from late May to late June. The population of larvae is mainly distributed on the top of the tea tree.
Tea Lizard Weevil: Adults bite leafy triangles or unplanned gaps. In mid-May, adults began feathering and unearthed. In early June and early July, adults became active, crawling and deadly. Prevention methods: (1) Using adult insects, vibrating tea plants, placing floor-dwelling insects on plastic film and concentrating them; 2 using 50 ml of Chinese herbal extract and 50 ml of Bacillus thuringiensis to spray and spray.
Leaf-feeding lepidopteran pests: mainly tea caterpillars (tea tussock moths), black tea tussock moths, and tea-footworms. Two 1-2 instar larvae of the two tussock moths clustered on the back of the lower leaf of the tea bush to bite the lower epidermis and leaves, leaving the epidermis with a yellow translucent film. After the third instar, the tea caterpillars migrated to the upper part of the tea tussock and were arranged neatly. Feeding on leaves, tea black tussock moths are scattered in the upper leaves to bite the leaves into gaps, and the 2nd and 3rd generations of the two tussock moths are in the hazard period from June to August. Control methods: 1 combination of cultivating and weeding to eradicate larvae in the litter of the rhizosphere; 2 using light traps to kill adult worms; 3 removing worms and leaves at the time of 1-2 instar larvae; 4 biological control, extract of traditional Chinese medicine 50 ml plus Bacillus thuringiensis A 50-ml bucket of water is sprayed.
Diseases of tea trees: 20 mg of kasugamycin plus 20-25 g of polyoxin, a bucket of water spray, and control of tea cake disease. It is required that the last application should be taken at a safe interval of more than 7 days before picking tea.
(5) Properly trimmed. From the perspective of the content of fresh leaves, the quality of summer tea is not as good as that of spring tea, and spring and autumn green tea is obviously superior to summer tea. Summer high temperatures, adequate rainfall, rapid leaf maturation, easy to aging shoots, spring and summer tea gap and the appropriate trim between the summer and autumn tea gap can promote tea bud germination, and improve the production of famous tea. It is necessary to pay attention to proper tender mining, leaving fish and leaves to be harvested, and to keep them in reserve until mid-to-late September. If the drought is severe or the tree vigor is weak, collect it in advance and close it in advance. For young-age harvesting gardens, the use of top-covering and re-cultivation are mainly supplemented by tender mining; the adult tea gardens are mainly harvested; the tea gardens are rejuvenated, and the cultivation is mainly adopted, and the tree crowns are collected and cultivated.
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