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5-9 grade
with a total area of 43 hectares, peanuts were harvested. Determine the area of each plot if it is known that 243 quintals more peanuts were harvested from one plot than from another, and the yield of peanuts was 27 quintals per hectare
Raidaraliev 13 Oct. 2013, 3:43:22 (4 years ago)
Your answer will be first =)
To answer
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Fabios / 24 Feb Am 2015 at 7:52:15
Please help! Solve the problem using the equation if the letter x stands for
a) the number of solved problems
b) the number of unsolved problems
(It turns out to solve the problem in 2 ways)
At the mathematical Olympus. 12 problems were proposed for solving. Each correctly solved problem was estimated at 5 points, and 2 points were written off for each unsolved problem. How many problems did Misha solve correctly if he received 39 points for his work?
Help, well, I really need it!
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I showed you something like thatHow bananas grow or for exampleHow pineapples grow... Do you know how peanuts grow?
I think of course you know, but just in case (in our time of urbanization and globalization), here's more details ...
Photo 2.
Peanuts are legumes that are annuals. This is due to where peanuts grow - in warm countries. The bush has a branched stem and feathery leaves. The flowers are small, yellow. The pod that forms after flowering has a constriction and a strong shell. The inside of the fetus is called the nucleus.
The peculiarity of peanuts is that their flowers live only one day. Environmental conditions are not always conducive to pollination, so not all flowers are ovary. After fertilization has occurred, the ovary is buried in the ground. The fruit develops only in the ground, those flowers that remain on the surface die. Therefore, it is necessary to ensure that the soil is light and not solid, and also to do hilling several times a season.
Peanuts are no longer considered an outlandish plant, but they still remain a rarity. Therefore, every gardener is interested in planting and caring for peanuts.
Photo 3.
The homeland of peanuts is South America. There, wild species can grow as a perennial plant. This is due to high temperatures and moderate humidity. If the temperature is low, then the flowers will fall off, and at high temperatures there is a possibility that the plant will be attacked by fungi. Today, peanuts are found in many parts of the world, but the climate must still be quite warm. Growing peanuts in the Moscow region is possible, since it is an annual plant. As a rule, very large areas are not allocated for this culture.
Photo 4.
Ideal conditions for good plant development are temperature values of +20 - +27 degrees. Growing peanuts in Ukraine is more profitable because it is warmer here than in central Russia.
Ideal conditions for good plant development are temperature values of +20 - +27 degrees. Growing peanuts in Ukraine is more profitable because it is warmer here than in central Russia.
Today, about 700 species of peanuts are known, but almost all varieties grow only in South America. But experienced gardeners know how to grow peanuts in the regions of Russia and Ukraine.
Photo 5.
Peanuts are often referred to as "peanuts." This term was formed as a result of translations from other languages. So are peanuts a nut or a legume? In fact, peanuts cannot be called a nut. The kernels, which are clothed in the shell, belong to the beans, since this plant belongs to the legume family.
Photo 6.
Since peanuts grow in the form of beans, they are initially easy to recognize. The stem grows upward and the roots are in the ground. But when pods appear on the branches, they ripen already in the ground. This is due to the fact that originally peanuts germinated in hot and desert areas. In order not to lose moisture, the plant protected the fruits from fumes, hiding them in the ground.
Photo 7.
Peanuts are considered one of the most promising crops in the world, providing valuable raw materials for the food and fat-and-oil industries. The main areas where peanuts grow are China, South Africa, India, Argentina and the United States. Based on the volume, China is the main producer, but peanuts grown in the USA and Argentina are considered the best in quality.
In Argentina, in recent years, much attention has been paid to the cultivation of peanuts. The sown area has tripled over the past five years. About 500-800 thousand tons are collected here annually. The main production is concentrated in the Cordoba region. The main cultivated varieties are Runner and Redskin. Peanuts are planted in November, harvested in April-May, and shipments start in June. Argentina is a leading exporter of peanuts. In the European market, Argentine peanuts are very popular due to their pronounced taste.
Peanut beans vary greatly in flavor, size and shape, depending on the homeland. The large oblong size of the Chinese walnut seduces the consumer, but in reality turns out to be a tasteless and insipid bean. The sweetness of the Indian cannot compensate for its small caliber. Peanuts of the "Runner" variety, supplied from Argentina, combine both the balance of shape and size, and unique taste differences, the main of which is sweetness. It's no secret - peanuts should be sweet.
If cultivated, processed and stored improperly, harmful toxic substances - aflatoxins - are formed in peanuts. Argentinean peanuts, cleaned in such a way that the product is not damaged, and the husks and dirt are completely removed. Another important aspect is that peanuts are completely harmless and pure. Upon delivery to Russia, peanuts are tested for taste, impurities, size, and of course aflatoxin, level of pyroxides (freshness) and pesticides.
Photo 9.
Due to their valuable qualities and high nutritional value, the nutritional value of peanuts can hardly be overestimated. Peanut beans contain more than 35% proteins, about 50% fats, as well as most of the vitamins and microelements necessary for humans. A high content of vitamins and microelements, a large amount of unsaturated fatty acids, a complete absence of cholesterol and, finally, an exquisite taste make peanuts an indispensable product for a complete and healthy diet.
Peanuts are widely used both in food production (confectionery industry) and as a delicacy blanched and fried with various additives.
Peanuts are an excellent source of folic acid, which promotes cell renewal, and the fats contained in it have a mild choleretic effect, are useful for peptic ulcer and gastritis. Peanuts improve memory and attention, in addition, it is necessary for the normal functioning of the nervous system, heart, liver and other internal organs.
Photo 10.
However, it is worth remembering that raw peanuts are best not overused. Unroasted nuts can cause digestive problems. In addition, peanut skins are a strong allergen, so it is better to eat fried and peeled nuts, and allergy sufferers should not eat more than five nuts a day.
Peanuts are not only the most nutritious, but also a nut from which you absolutely do not get fat. Therefore, he became a "food favorite" of all the stars of the world of fashion and show business. Peanuts in the amount of 20 - 25 nuts per day normalizes the functions of the hematopoietic organs and ... smoothes wrinkles.
Photo 11.
And this is how peanuts grow at home:
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Tulip fever InfoGlaz.rf The link to the article this copy was made from is
7 months ago
I've always considered peanuts to be a delicious treat. No more. But when I was advised to take peanuts to keep cholesterol under control and to support the body with iron, this is where I was intrigued. And I decided to do a little investigation about the journey of peanuts, from the place of their cultivation to the counter.
Where peanuts like to grow
Peanuts are a very thermophilic plant. Loves the subtropical climate. South America is considered his homeland. At one time, travelers brought it to India, and from India to Europe. At first it was mistaken for a nut, but then it turned out that its properties are closer to legumes. But, nevertheless, we consider it a peanut.
Today peanuts have settled in Brazil, China, Italy and even in Russia. Fortunately, our homeland is also rich in warm regions. The main thing is the right temperature and sufficient humidity.
How peanuts grow and how they are harvested
Peanuts are low herbaceous bushes, and their tasty fruits are in the ground. This means that you can dig peanuts almost like potatoes, which is painfully familiar to a Russian. Harvest peanuts in the fall. But further - the process is different.
Nuts are not separated from the tops, but tied in sheaves and hung in a warm room. So the peanuts will ripen and gain their weight. Next, the peanuts are dried over a heat source. On average, two weeks. The most common varieties of peanuts:
- Tennessee. The largest beans.
- Virginia. It is widely used in the preparation of confectionery.
- Spanish. Has the most pleasant taste.
- Spanish. Used to make peanut butter.
From which countries do peanuts come to our counters
Peanuts are supplied to our country mainly from India, China, Mexico, Turkey, Israel and Egypt. The main requirements are that the beans must be whole, healthy, free from weeds.
Peanuts are packed in bags, marked, indicated by weight, and the name of the manufacturer. Kernels - in aluminum cans.
Wherever and however peanuts grow, they always find their regular customers and connoisseurs.
