Agricultural guide to summer climate characteristics and solar terms

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Summer climate characteristics

"Out" means hiding. Af

Agricultural guide to summer climate characteristics and solar terms

You may be interested: moving in 2020 is an auspicious day.

Summer climate characteristics

"Out" means hiding. After the intense heat, the hot summer gradually disappears, and the days of high temperature are obviously reduced, but some years will still be very hot. At the same time, the typhoon in the western Pacific is very active in August, so it is necessary to guard against typhoon disasters and listen to the weather forecast when going out.

Summer agricultural guide

At this time, the continuous cropping late rice is in the jointing and booting stage, which is the key period when fertilizer and water are most needed. Attention should be paid to irrigating "water for protecting fetus", applying "fertilizer for protecting flowers", strengthening field management, and focusing on the prevention and control of rice planthopper and bacterial blight.

Overview of vegetable planting

1, continue to do a good job in drought and typhoon prevention of vegetables and fruits. Strengthen cultivation management after typhoon and rainstorm, and rush to plant fast-growing vegetables in time.

2. Strengthen pest control.

Overview of fruit tree cultivation

1, citrus

Continue to focus on drought resistance, Taiwan resistance, fruit growth and autumn shoot growth, strengthen the prevention and control of pests such as rust ticks and liriomyza sativae, be alert to the occurrence of anthracnose and canker, topdressing to promote shoot growth, and spraying foliar fertilizer to strengthen fertilization.

2. Myrica rubra

Focus on drought resistance, Taiwan resistance, autumn shoot control and flower bud differentiation, and do a good job in the prevention and control of pests such as leaf curl moth, moth and scale insect.

Overview of animal husbandry and agriculture

1, continue to do a good job in cooling, heatstroke prevention and typhoon prevention.

2. Do a good job in animal epidemic prevention in autumn. Agricultural proverbs: "It's cool at night and hot during the day in summer" and "It's dark in summer and won't dry when you are old; Xiagenbai, rice soup can't be drunk ","Summer radish and white dew vegetables, seven onions, eight buckwheat and nine garlic ","It's rare for summer to be cloudy for ten days and white dew for ten days "(Xiayin mainly harvests early rice and white dew mainly harvests late rice).

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Precautions for fruit trees

In summer, organic fertilizer is the main fertilizer for fruit trees. Many experts talk about fruit tree fertilization and compare the effect of fruit tree fertilization in each season to "gold in autumn, silver in winter and rotten iron in spring". The same input, the same fertilizer, and the effect will be very different when the fertilization time changes. From late August to September, autumn shoots stop growing, which is the third growth peak of fruit tree roots. With the gradual decrease of temperature and the increase of autumn rain, the reproduction of microorganisms is accelerated, creating a suitable growth environment for fruit tree roots. Late August to September is also the stage of flower bud differentiation of fruit trees, and fruit expansion also needs a lot of nutrients. Lack of fertilizer in this period easily leads to insufficient flower bud differentiation. The second year looks like a flower bud, but it is a leaf bud after flowering, so fertilization in autumn is very important. Autumn fertilization accounts for 60% of the annual fertilization, which is the key fertilizer to solve the problem of big and small years.

Fertilization in autumn should be based on organic fertilizer, supplemented by phosphorus and potassium fertilizer. If a large amount of nitrogen fertilizer is applied, it will stimulate the growth of fruit trees again, weaken the ability of fruit trees to store nutrients, make fruit trees unable to defoliate normally, and increase the chance of infection of rot disease on trees. Adding organic fertilizer can enhance the ability of trees to store nutrients and lay a solid foundation for flower bud differentiation and fruit expansion.

Inspired by "Cunningham's Law", the amount of nutrients absorbed by fruit trees is like a bucket surrounded by boards of different heights. A large number of elements are "long plates" and trace elements are "short plates". The length of the plates determines the volume of water in the bucket. When the macroelements increase, the medium and trace elements also increase, which makes the fruit trees exert their maximum yield-increasing potential. If the "long board" of large elements increases, the "short board" of trace elements does not increase, and the volume of the bucket can only be determined by the "short board" of trace elements. In order to maximize the yield-increasing potential of fruit trees, it is necessary to apply more organic fertilizers and supplement trace elements.

In addition to nitrogen, phosphorus and potassium, organic fertilizer also contains trace elements such as boron, zinc, manganese, molybdenum, copper and iron. The organic fertilizer is comprehensive in nutrients and stable in fertilizer efficiency, and can exert fertilizer efficiency continuously for a long time, thus solving the shortcomings of single inorganic fertilizer component. Various organic acids in organic fertilizer combine with calcium magnesium slurry to form stable complexes, which can reduce the fixation of mineral nutrients. After organic fertilizer is applied to soil, it can improve soil structure, regulate soil water, fertilizer, gas and heat, and is beneficial to the robust growth of fruit trees. Increasing the application of organic fertilizer can meet the needs of fruit trees for various nutrients. Therefore, the fertilization of organic fertilizer in autumn is essential.

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Summary of Fruit Tree Production and Agriculture in Summer

1, citrus

Phenological period: fruit expansion period and autumn shoot sprouting period.

Agricultural summary focuses on drought resistance and Taiwan resistance, promoting fruit growth and autumn shoot growth, strengthening the prevention and control of pests such as rust ticks and leaf miners, and being alert to the occurrence of anthracnose and brown rot; Prevention and control of canker of sweet orange and pomelo should be strengthened.

2. Myrica rubra

Phenological period: flower bud differentiation period, autumn shoot germination period.

The outline of agriculture focuses on drought resistance, Taiwan resistance, controlling autumn shoots and promoting flower bud differentiation, and completes the prevention and control of pests such as leaf curl moths and scale insects.

3. Loquat

Phenological period: Autumn shoots germinate at seedling stage.

The breeding program should focus on drought resistance and Taiwan resistance, and do a good job in the prevention and control of the third generation of loquat yellow caterpillar.

4. peaches

Phenological shoot stopping period

The cultivation summary focuses on drought resistance, Taiwan resistance and summer pruning, and applying fruit fertilizer to control pests such as moth and cobia.

5. Cherry (big cherry)

Phenological stage flower bud differentiation stage

Focusing on drought resistance and Taiwan resistance, we will continue to do a good job in promoting flower bud differentiation, and strengthen the prevention and control of pests and diseases such as thorn moth, moth, peach leafhopper and Legionella.

6. Grapes

Phenological fruit coloring maturity

Agricultural summary focuses on drought resistance, Taiwan resistance and timely picking, and strengthens the prevention and control of anthracnose, white rot and downy mildew.

7.pears

In the phenological phase, the fruits of mid-late maturity varieties gradually entered the mature stage, the roots began to enter the autumn growth peak, the branches were full, and the flower buds continued to differentiate.

Focus on the summary of farming, timely harvesting in batches, timely application of postpartum fertilizer, pest control, leaf protection and drought resistance, and strengthen the prevention and control of pests and diseases that harm leaves.