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Small knowledge of farming
1. What are some tips about interesting agriculture

(1) What are pollution-free vegetables

Pollution-free vegetables refer to vegetables that are not polluted by harmful substances, and some are called green vegetables or clean vegetables. In fact, it means that commercial vegetables do not contain toxic substances, or the content of toxic substances is controlled within the allowable range, that is, pesticide residues, nitrate content, "three wastes" harmful substances and pathogenic microorganisms do not exceed the standard. Those that meet the above standards can be called pollution-free vegetables.

with the development of science and technology and the improvement of people's living standards, the production and supply of pollution-free vegetables and green food are of great concern in China today. In the production of vegetables, people's understanding of the ecological environment has been deepened and improved. It is generally noticed that nitrate in industrial pollution, pesticides and fertilizers will enter the human body through the food chain, which will cause certain harm and even endanger life. For this reason, people's requirements for vegetable quality are getting stricter and stricter, and the voice of producing green vegetables is getting higher and higher. The production and supply of pollution-free vegetables are highly valued by all levels and welcomed by the masses. Therefore, using scientific methods, based on ecology, environmental protection and sociology, to produce pollution-free vegetables is not only to meet the needs of urban and rural people for clean vegetable baskets, but also to concern thousands of families and even future generations.

(II) What is green food

Green food is pollution-free, safe, high-quality, nutritious food that follows the principle of sustainable development, is produced according to a specific mode of production, and is approved by a specialized agency to use the green food logo trademark.

(III) What are pollution-free agricultural products

Pollution-free agricultural products refer to high-quality agricultural products and primary processed products whose safety and quality meet the relevant mandatory national standards and laws and regulations.

(4) What are the similarities and differences between organic food, green food and pollution-free food?

Organic agriculture is a growth system that is completely different or basically does not need synthetic fertilizers, pesticides, production regulators and livestock feed additives. According to the requirements of the public, the draft standard prohibits genetic engineering technology and irradiated products from being labeled as organic food. It is a pure natural, pollution-free and commercial food. It is an internationally recognized environment-friendly food. Green food is a sustainable agricultural product with China characteristics, which is based on China's national conditions and combined with the development trend of advanced agriculture in the world. Pollution-free food contains the basic characteristics of organic and green food, and is a transitional food of green food. They are all sustainable food with the aim of safety, environmental protection and health, and represent the future development direction of food in China.

2. Agricultural common sense

The new semester is coming again. In this critical period, I should plan every minute carefully and devote myself to my study. Once, a teacher told me that attitude is everything, and we should face learning with a good attitude. Challenge ourselves and believe in ourselves. Personally, I think that people's life time is limited and time waits for no one, because this is me. I won't let go of every time from my side and earn every minute around me. Looking around my study career, I think the weakest subjects are Chinese, chemistry, and my strengths are mathematics and physics. There are chemistry in every monthly exam, and I think I should strengthen it in these aspects. I think the first thing I should do is to listen carefully to the class, completely digest what the teacher said in class and synchronize my thinking with the teacher. Generally, textbooks should be the first thing. The content in the book is the foundation. On the basis of mastering it, I will do special training, fill in the gaps and improve it according to levels. I also need to establish a set of wrong questions, and record the wrong questions in practice and the questions that I haven't understood in time, and solve them one by one to form a consolidation. In review, we should advocate pragmatic spirit, pay attention to standardization and formatting, and cultivate science. Strict attitude. Because any nonstandard answer may lead to loss of points. 1. Because my weakest subject is Chinese, my grades are at a medium level, and my composition is dry and not vivid. I read more extracurricular books in my spare time, remember 1-2 good words and sentences every day, and practice writing according to the teacher's guidance. I strive to score above 95 points in every composition exercise. 2. I will do the exam outline and complete topic in advance, the day before yesterday. Fine topics, expand thinking. 3. Persist in reading foreign language works every day, and develop a good sense of language. Seriously memorize the words behind the syllabus, and strictly avoid losing points in the senior high school entrance examination because of words. Carefully review and preview the focus and appendix of the whole test site, and require that you focus on mastering grammar and sentence patterns. Pay attention to learning and using them flexibly. 4. Recycle and recite the commonly used atomic mass table, the valence of elements, the dissolution table of acid, alkali and salt. Strictly avoid losing points in the senior high school entrance examination because you forget them. Seriously memorize and summarize the chemical equations given by the teacher, which requires flexible learning, knowing the reaction conditions and results. 5. Seriously memorize the physical formulas, material constants, electricity and optics are my weakest links in physics, so I will follow the teacher's general review and consolidate my knowledge of electricity and optics seriously and carefully. Review all the knowledge carefully according to the syllabus and finish my homework on time. Take notes. 6. Review the historical knowledge points carefully according to the syllabus, and review them in cycles in the next two months, strengthen memory, and carefully remember the formulas and tables summarized by teachers. Using them, you can remember the knowledge points well, pay attention to the current events that happened this year, and contact the current events with the history of middle schools. 7. Review and recite the topics and knowledge points according to the syllabus and the whole product. Because the politics of the senior high school entrance examination has become very lively this year, you can't memorize them by rote, but live. Carefully refer to the senior high school entrance examination questions in other cities. The above study plan should be carefully implemented, and success lies in action. After a period of time, we should carefully analyze and check the status quo and the plans made.

3. What are the tips of agricultural science and technology?

Cultivation techniques of spring soybean

1. Sow early in time. Sowing can be done when the soil temperature reaches above 12℃, but it is safer to sow above 14℃. In order to prevent rotten seeds and improve the emergence rate, early sowing with plastic film and autumn propagation of spring soybeans can be used. Generally, the sowing date is from "rain" to "vernal equinox" in southeast Fujian, and from "vernal equinox" to "Qingming" in northwest Fujian.

2. Reasonable close planting. In the medium fertility field, the planting density is generally 18-21, plants per mu, 2 rows of 8 cm plants in the wide furrow, and the hole spacing is 2 cm, and 3 seedlings are planted in each hole. The planting density of high soil fertility can be thinner, and the density of barren land can be denser.

3. Apply fertilizer scientifically. Soybean needs more fertilizer, and the ratio of nitrogen, phosphorus and potassium in the total fertilization amount of soybean is 1︰.8︰1.2. In fields with high fertility, it is the key to prevent plants from growing in vain, and it is necessary to increase the application of phosphorus and potassium fertilizers and limit the application of nitrogen fertilizers. On the basis of applying 25-3 kg of calcium superphosphate and 5-6 kg of potassium chloride per mu, apply nitrogen fertilizer early, and when each compound leaf is unfolded, lightly apply quick-acting nitrogen fertilizer once as seedling fertilizer, apply 3-5 kg of ammonium sulfate per mu, and apply it in furrows; In the flowering and pod stage of soybean, control is the main method, and generally no or less flower fertilizer is applied. Fertilize according to the plant growth at the grain filling stage, and immediately spray tail-protecting fertilizer combined with nitrogen and phosphorus in case of premature senescence and growth.

4. intertillage drainage. Soybean is an intertillage crop, so intertillage should be carried out at seedling stage, which can not only eliminate weeds, but also loosen the soil and create a suitable soil environment for the growth of roots and nodules. It is rainy in spring in Fujian, and the growth of roots is affected, so we should pay attention to drainage and waterlogging removal. Generally, intertillage for 2-3 times at seedling stage, combined with topdressing. Before flowering, another intertillage should be carried out to promote root growth and prevent lodging.

5. Control pests and diseases. The main pests and diseases are aphids, bean caterpillar, rust, etc. We should pay attention to timely prevention and control according to the occurrence of pests and diseases.

6, timely harvest. Harvest at the end of yellow maturity, at this time, all plants turn yellow brown, all stems and pods turn yellow, showing the inherent color of the variety, and the seeds are separated from the pod wall.

4. Proverbs about farming

Proverbs about farming:

1) Frost flakes and hail lines.

2) The wind blows a large area and the hail hits a line.

3) It rains at night and it is sunny during the day, so there is no room for grain.

4) After a while, the sun and rain, we planted yellow seedlings and ate white rice.

5) There is no rain in the sky and no rice in the valley; There is much rain in the valley and much rice in the valley.

6) In the dog days, it is necessary to soak the rain, and the hills and millet will be bent.

7) The Qingming Festival is hot early, and the early rice must be good.

8) if you don't take a fan in April, you will be in a hurry to farm the fields.

9) It's too hot to lie on the pavement, and only crops grow in the field.

1) People are jumping in the house, and rice is laughing in the fields.

11) People burrow into the house, and rice scurries in the fields.

12) People jump when they are hot, and rice smiles when they are hot.

13) People are afraid of getting old and getting poor, while rice is afraid of cold dew.

14) The cold dew wind brought the harvest to nothing.

15) Late rice grows in the rainy days. Autumn heat harvests late fields.

16) bitter insects in wheat can't be frozen.

17) Freeze and break wheat roots and hemp rope.

18) harvest wheat cold and harvest autumn hot.

19) The snow in December is half a foot thick, and the wheat is not enough.

2) cover the wheat seedlings with snowflakes and sleep with steamed buns in the coming year.

21) Heavy snow bodes well for a good year.

22) A winter snow and a fortune, a disaster in Chun Xue.

23) A quilt in winter snow, a knife in Chun Xue.

24) It snows like a quilt, and ghosts freeze to death in Chun Xue.

25) Winter snow is a wheat quilt, and Chun Xue rotten wheat roots.

26) Winter snow is a quilt, and Chun Xue is a ghost.

27) Chun Xue is useless when there is abundant winter snow.

28) Chun Xue fills the ditch, but summer fields are not harvested at all.

29) Snow water turns into rivers, and the wheat harvest is thin.

3) It is violent every day in Fuli, and I sit at home and collect rice.

31) Night rain in autumn grain is stronger than dung, and a night rain is a fertilizer.

32) It's autumn, and it rains there.

33) Everything is harvested when it rains in beginning of autumn, and everything is lost when it rains in the summer.

34) Rain in summer, rice in the barn.

35) It rains in the summer, and the grain stalks rot.

36) It's not uncommon for the cylinder to wear skirts and sweat with salt, and it will rain heavily.

37) The Qingming Festival is hot early, and the early rice must be good.

38) If you don't take a fan in April, you are in a hurry to farm the fields.

39) It's too hot to lie on the pavement, and only crops grow in the field.

4) People are jumping in the house, and rice is laughing in the fields.

41) You can go to the ends of the earth in a dozen steps.

42) Three points for makeup and seven points for eyes.

43) A play must be matched, but if it is not matched, it must be lost.

44) It rains at night and it is sunny during the day, so there is no room for grain.

45) The sun and rain come one after another, and the yellow seedlings are planted to eat white rice.

46) There is no rain in the sky and no rice in the valley; There is much rain in the valley and much rice in the valley.

47) It is necessary to soak the rain in the dog days, and the hills and millet will be bent.

48) It is violent every day in Fuli, and I sit at home and collect rice.

49) Night rain in autumn grain is stronger than dung, and a night rain is a fertilizer.

5) It's autumn, and it rains there.

51) Everything is harvested when it rains in beginning of autumn, and everything is lost when it rains in summer.

52) Rain in summer, rice in the barn.

53) It rains in the summer, and the grain stalks rot.

54) It's not uncommon for the cylinder to wear skirts and sweat with salt, and it will rain heavily. Chun Xue is a river, and everyone eats steamed buns with white flour.

55) When the seedlings are too cold, they are afraid of rotten seedlings, and the young seedlings are afraid of green frost when they come out of the water.

farming culture refers to a kind of custom culture formed by farmers in their long-term agricultural production, focusing on agricultural services and farmers' own entertainment. Farming culture integrates Confucian culture and various religious cultures, and forms its own unique cultural content and characteristics. Its main body includes language, drama, folk songs, customs and various sacrificial activities, etc. It is the most extensive cultural type in China. Agricultural civilization determines the characteristics of Han culture. China's culture is a cultural type different from European nomadic culture, in which agriculture plays a decisive role.

5. Small knowledge of agricultural science popularization

The agricultural science popularization education base is an agricultural business model that takes into account the functions of production, science and technology demonstration and science popularization education.

agronomy is a comprehensive subject with many professional categories and rich contents. Agricultural popular science education bases are often built on the basis of agricultural scientific research bases, and there is little investment in using scientific research facilities as scenic spots.

For example, the famous Yangling Agricultural City, once the birthplace of ancient agriculture in China, has now become a new science and education agricultural park integrating agricultural production, scientific and technological demonstration, scientific research and education. There are the only agricultural demonstration area at the national level, the largest insect museum in Asia, the National Laboratory of Artificial Rainfall Simulation, the world's second rainfall hall, the cloned sheep base with the world's leading technology, the Boer sheep farm, the world's best sheep breed, the famous water sports center in Asia, the industrialized and efficient agricultural facilities and special animal farms, which are new ways of modern agricultural industrialization, attracting many tourists and some schools to carry out extracurricular activities and teach agricultural courses here. It has become a well-known "education base for young people's agricultural science and technology activities" and a green education park in China, which fully reproduces the glory of the descendants of Shennong in the past, "cultivating crops and educating the people".

it has made gratifying achievements in highlighting the high-tech characteristics of agriculture and excavating demonstration sightseeing resources. From 2 to the end of July 21, * * * received 1.1 million domestic and foreign tourists, and sightseeing agriculture brought new income of 88 million yuan to the local area.