Heat-resistance and High-yielding Cultivation Techniques of Pepper in the Field

Heat-resistance and High-yielding Cultivation Techniques of Pepper in the Field

I. Variety selection

When growing peppers, comprehensive consideration shall be given to the local climatic conditions, geographical location, technical strength, economic basis, and consumption habits, and a reasonable selection of varieties in order to achieve the best economic benefits.

Second, soil preparation

1. Soil selection: Capsicum has strong adaptability to soil, and it can be planted along mountains, plains and rivers, but it should be rich in organic matter, with deep soil layer, water and fertilizer, irrigation and energy-discharging, no 3-5 years. The “two banks” of Solanaceae vegetables (such as eggplant, potatoes, and tomatoes) have fewer diseases, long harvesting periods, high output, and good economic returns.

2. Site Preparation: Pepper cultivation avoids high soil moisture content, requires loose soil ventilation, so wet and wet in spring should not be deep plowing, it is best to turn to frozen weather in winter in early winter, through deep plowing to strengthen the soil through Transparency works well. After digging the ground, ditches, gutters, gutters, and gutters should be timely excavated. The depth of these gullies should be reduced in order to keep the soil dry and water free.

The whole soil should be carried out one week before the planting. The premature soil is prone to raining due to rainfall and too late to rush, affecting the progress of planting. When the soil is used, the subsoil should not be too small. The bottom layer of the soil is usually as large as the palm. It can increase the bottom pores, and is beneficial to the early drainage and late irrigation. The topsoil must be finely screed to facilitate root development after planting. Roots and soil combined with live trees are also conducive to agricultural operations and weeding and cultivating.

In order to ensure the dry and loose state of the pepper soil, avoid wet soil preparation, wet soil preparation due to human foot trampling and mechanical pressure of the tool will make the soil slurry, tight and wet, particularly poor ventilation, poor growth of pepper roots, easy to cause Roots and death. In order to facilitate agricultural operations, drainage and furrow irrigation, narrow or high ridges should be adopted, with a width of 1.5-2 meters and a ridge width of 0.8-1 meter. After the land is well-prepared, 0.40.4 m of early-maturing varieties, 0.50.5 m of medium-maturing varieties, and 0.6-0.8 m of reference lines of late-maturing varieties are opened.

Third, base fertilizer

The application of basal fertilizer in the open cultivation of pepper can ensure uniform nutrients during the growth period and reduce the phenomenon of lack of fertilizer and fruit drop due to top dressing. The early rainy season in the south can reduce the frequency of topdressing, which is conducive to maintaining the dry state of the soil. Basal fertilizers should be dominated by long-lasting organic fertilizers, which are produced in the first year of winter. Generally available garden soil and crop straw as the main, add human and animal urine, tanning, the amount of 5000 kg of mu, plus 50 kg of superphosphate and 100 kg of cake fat.

Cakes are usually rapeseed cakes, crushed, fermented and thoroughly cooked. Three days before planting, superphosphate and cake fertilizer were applied to the bottom of the planting hole, mixed with soil and loosened with loose earthworms, and planting holes were filled with compost soil before planting. In the spring in the south, it is not advisable to use more available nitrogenous fertilizers (human waste, bone powder, etc.) as base fertilizers, and it is even more inappropriate to use quick-acting chemical nitrogen fertilizers as base fertilizers.

Fourth, colonization

The open field colonization time of peppers is mainly determined by the temperature conditions of the open land, and it should be planted after the late frost, when the soil temperature reaches 10-12°C. Early, middle and late varieties of planting period, in general, the cultivation of open field cultivation should be 3-7 days later than the plastic film covering cultivation. The colonization of peppers should be carried out on sunny days. The soil temperature is high on sunny days, which is conducive to the growth of roots. Although sunny plants are vulnerable to wilting (a protective adaptation of the plant), as long as the seedlings are robust, they will produce some kind of seedlings after planting. The degree of temporary wilting is normal.

Rainy seedlings, although the plants are not wilting, but the soil temperature is low, due to human activities when planting seedlings, resulting in the adhesion of the soil, is not conducive to hair roots, the survival rate is low, so sunny seedling seedlings fast, rainy days seedling seedlings slow seedlings Slow, but not seedlings. After planting, it is necessary to pour enough water in time to promote root resuscitation. In the north, due to the spring drought, the plants are often planted with dark water and stable seedlings. That is, a planting ditch is firstly opened and water is poured in the ditch. When the water has not yet penetrated, the seedlings are gently placed into the ditch at a predetermined spacing, and the water is promptly carried out after water infiltration. Earthworms, flattened noodles. Colonization of peppers should not be too deep, in order to flush with the cotyledon section as the standard.

V. Water Management

After the pepper is planted, the peppers should not be filled with water (soaked in the south) before they are housed. The main purpose is to protect the roots and promote the flowering results. After the peppers lived, they began to fill with water. Afterwards, they often kept the soil moist and the plant fruit length. If water is poured before the door is peppered, it will not only reduce the soil temperature, affect the seedlings, but also cause leggy and delay the fruit settling. If the fruit is still not covered with water for a long time, the soil will be dry and the plant growth will be short and even cause flowering and fruit drop, which will lead to a reduction in yield. Therefore, the open water period of pepper irrigated in open field is generally performed when the pepper grows to its maximum volume, but The "boiling period" of early maturing varieties can be appropriately advanced.

Entering the full fruit period, the weather gradually enters into a period of high temperature and drought. No matter the south or the north, there are lush foliage of peppers, large leaf area, and more water evaporation, requiring higher soil moisture. The ideal soil temperature is 80% better, every 7— Ditch irrigation should be carried out for 10 days. The technical points of irrigation are as follows.

1. Look at the weather to avoid rain after irrigation, resulting in irrigation damage, affecting root growth, causing disease and rooting.

2. When the temperature, ground temperature, and water temperature are relatively cool, it is usually filled in at midnight and discharged before dawn. It is necessary to irrigate and rush, and the soil can be discharged after being soaked in the soil.

3. The amount of irrigation should be gradually increased, the first irrigation high l/2, the second about 2/3 high, the third can be close to the surface, not flood irrigation.

4. The diseased plots should not be stringed, so as to avoid the epidemic of disease.

Sixth, top dressing

The topdressing of hot peppers should be based on the characteristics of different stages of development. In practice, the vegetable farmers summarized a set of experiences according to the characteristics of the fertilizer needed for the peppers and the points of fertilization. They are: Miao Miao, Steady Application of Flower Fertilizer, Application of Fruit Fertilizer, Early Application of Autumn Maturity .

1. Apply Miao Fei lightly: This stage is from survival to before flowering, the main role of fertilization is to promote the growth of plants robust, lay a good foundation for flowering results, generally after 7-10 days of pepper colonization, seedlings resume growth, you can chase Fertilizer manure steadily. The concentration of fertilizer solution should be low, and it is better to use one percent dilution. Avoid using only nitrogen fertilizer to prevent plant growth and delay flowering. Generally combined with cultivator, in the sunny morning, 500 kilos of human urine are applied per mu and the fertilizer is applied once every 4-6 days.

2. Stable application of fertilizer: This stage is from flowering to before the first harvest, the main role of fertilization is to promote plant branching, flowering, fruit set. Generally, 200 grams of dry animal manure can be applied per acre, 500 kilograms of NPK fertilizer, 10 kilograms of N, P and K compound fertilizer, and additional 3-5 days. The concentration should not be too high, and the weight should not be too high, otherwise it may lead to leggy, causing Falling flowers, if they are too low, will lead to lack of fertilizer, and will not meet the needs of plant branching, flowering, and fruit setting.

3. Re-application of fruit fertilizer: This period is the first harvest to the beginning of autumn before the plant enters the fruitful period, is the period of the largest amount of fertilizer in the entire growth period, therefore, fertilizer should be more concentrated. Generally, 30 kg of diluted livestock manure is applied per acre, and 20 kg of NPK fertilizer is applied. If necessary, add 10 kg of urea and apply fertilizer one time for each harvest. It is worth noting that this period coincides with the summer heat, high concentration of soil solution, improper top dressing, easy to burn roots caused by falling, fruiting, defoliation or the death of the whole plant. Therefore, topdressing should be combined with watering hoe irrigation to control the concentration.

4. Early application of autumn fertilizer: Autumn fertilizer is very important for middle and late-maturing varieties, which can increase late yield and increase the weight of autumn peppers. After the summer, the temperature gradually decreased and turned cold. After the beginning of autumn and after the summer heat treatment, the application of 1,000 kilos of manure urine per acre and 20 kg of NPK fertilizer can promote the development of new shoots and increase the number of flowering fruits. The late autumn fertilizer was applied too late, the temperature had dropped, and it was not suitable for the flowering of the peppers.

The above manure must be thoroughly decomposed. Before pouring manure, firstly pour water once to reduce the concentration of the solution in the soil. If grass ash is used, please do not mix it with manure to prevent ammonium nitrogen from being turned into ammonia gas. If the root system of the plant is damaged, the absorption capacity is weak, and the plant lacks fertilizer, use the first 10-30 ppm of the ninety-two ointment to protect the new root, and then apply the extra-root fertilizer. The best way to apply the fertilizer is to dry the dew in the morning or Evaporation is carried out in the evening and can prevent the solution from drying out quickly, which is beneficial to the absorption of the foliage.

Do not spray on a noon or windy day with plenty of sunlight to prevent rapid drying, affect absorption, and do not spray in the rain or rain to prevent the fertilizer from being washed away by rain, which will not produce fertilizer. Fertilizers suitable for surface spraying are generally chemical fertilizers such as urea, phosphorus dihydrogen phosphate, and some soluble trace fertilizers.

Seven, cultivator

For the cultivation of peppers by cultivating the soil in open soil, the soil compaction is caused by factors such as watering, fertilizing, and rainfall. After the planting, the stem base of the pepper seedlings is close to the soil surface and rot tends to occur. Therefore, the cultivator should be cultivated in time. The cultivator is generally combined with weeding. The cultivator in the early growth stage can increase the ground temperature, increase the permeability of the soil and promote the effect of new roots.

The depth and scope of the cultivator will be deepened and expanded as the plant grows. It will take 3-4 times without damaging the root system and the Jinsong soil. Before plant closure, a large-middle cultivator will be used to dig 10-15 cm deep. Large, easy to vent cool water. Since then, only rushing grass has been used, no longer fighting. The peppers planted in open field during summer cultivation are generally tall and have many results. They need to be laid and laid down. Before the closure of the line, the soil is gradually cultivated in combination with the cultivator, and the roots move downwards. In addition to preventing lodging, the drought resistance can be enhanced.

Eight, cover

During the summer high temperature season, high temperatures, low air humidity, and large soil evaporation, in order to prevent excessive evaporation of soil moisture, it is advisable to use hot straw or crop straws to cover the chili peppers before the closure of the line. A layer, this will not only reduce the soil temperature, reduce the evaporation of the ground water, play a role in water conservation and fertilizer, but also prevent weeds, watering can reduce the impact of water on the surface of the surface of the surface, to prevent the surface of the compaction.

Through the ground covered peppers, after a smooth summer, it turns into a cool autumn season, with many branches and many results, which is good for improving the yield of autumn peppers. Coverage thickness of 3-4 cm is appropriate, too thin to cover the effect of the application, too thick unfavorable ventilation of chili, easy to cause falling and rotten fruit.

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