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The green soil is suitable for growing rice.
In the case of poor drainage or long-term flooding, the iron oxide in the red soil is often reduced to light blue ferrous oxide, and the soil becomes gray-blue, such as some rice fields in the south.
What is green soil:
1.Refers to the land of the east, the place of the rising sun. "Huainanzi Shi Zexun":
The extreme of the east, from the Jieshi Mountain through North Korea, through the country of adults, east to the sunrise, the land of oak, the field of green soil and trees. Zhuang Kuiji proofreading: "There is a note under the Taiping Yulan:
The place where the sun rises. ’”
2.It refers to the blue soil used by the Son of Heaven when he sealed the eastern princes to "grant thatched soil". Han Bangu's "White Tiger Tong Sheji":
Oriental blue ......Therefore, the eastern princes will be sealed with green soil, and the white grass will be used. Jin Luyun's "The Late Prime Minister of Wu, Lu Gongyu": "I want to be a meritorious, and Xi'er Qingtu."
Chen Shu Gaozu Ji I": "Sizi green soil, Tho with white grass, Dingerbang, with the construction of the mound society. See " Maotu ".
3.Refers to the area of Qingzhou. "Selected Works: Cao Zhi and Yang Dezu":
Wei Chang is good at the soil, and the public is in the corner of the sea. Li Shan's note: "Xu Wei lived in Beihai County for a long time, and Qingzhou of "Yu Gong" was also.
Therefore, the clouds are green. "The Book of Jin, the Biography of Confucianism, and the Legend of Yu Yu": "Living in Qingzhou, arresting the ...... of the seventh Yu."At that time, Liu Zhao, Xu Miao, and other people who were recluses in the green land were all professors, but Yu did not accumulate people and kept himself clean.
The Biography of Xing Wei in the Northern History": "It belongs to Shangshu Ling Yuanluo out of the town of Qingzhou, Qi is the Sima of the Mansion, and then in Qingtu, he enjoys all day long, and makes the mountain spring. ”
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The green soil is suitable for growing moss and other green plants! Easy to lock in moisture!
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The cyan soil generally contains more organic matter, like many rice fields in the south are cyan, and generally only aquatic plants will appear such a color!
Therefore, rice is grown in the summer, and when there is a shortage of water in the winter, crops that require less water, such as peas, broad beans, and wheat, are usually planted!
If the climate and water source are more suitable, it is to plant plants such as lotus root, water chestnut, and water chestnut!
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Depending on the color, the soil can be divided into red soil, black soil, and yellow soil.
Red clay is mainly distributed in the south of the Yangtze River in China, black clay is mainly distributed in Northeast China and other places, Jianghuai region, Huanghuai region, Hubei, Sichuan and other places are yellow clay soil areas.
The yellow clay is neutral or weakly alkaline, suitable for planting osmanthus, plum, yueji, pomegranate, begonia, plum and other plants, rhododendron, camellia, gardenia, jasmine, white orchid, orange tree and other acid-loving plants often cause yellowing disease and poor growth due to iron deficiency in the yellow clay soil. If the above-mentioned acid-loving plants are planted in the yellow clay soil, the ferrous sulfate aqueous solution must be watered frequently to the soil to improve the pH value of the soil, so that the pH value of the yellow clay soil changes from neutral or weakly alkaline to acidic, which is suitable for the physiological needs of acid-loving plants.
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Green soil is generally suitable for growing wheat, barley, barley, soybeans, potatoes, rape and other plants. Green soil is a kind of texture for clay loam and loamy clay soil, its aeration is poor, the soil is compact, due to long-term soaking in water, the soil is hypoxic, the soil is generally blue-black, if you want to use it to grow plants, you should increase the application of hot fertilizers such as horse manure to promote soil ripening.
Due to the long-term immersion of green soil, the soil lacks oxygen. The iron element in the soil layer is in the form of divalent compounds, so its soil is generally blue-black round ruler, and it contains more aluminum and iron oxides.
The texture of green soil is mostly clay loam and loamy clay, its aeration is poor, the soil is compact, if you want to plant plants with green soil, you need to increase the application of hot fertilizers such as horse manure to promote soil ripening, green soil is generally suitable for planting wheat, barley, barley, soybeans, potatoes, rape and other plants.
Wheat. Wheat likes slightly acidic and slightly alkaline soil, it is suitable for cultivation with soil pH of soil, wheat soil needs to pay attention to increase the organic matter content of the soil, improve its soil structure.
Highland barley. Highland barley likes acidic soil, does not like alkaline soil, it is suitable for cultivation with relatively high nutrient content of the soil, to the highland barley soil needs to pay attention to the deep soil ripening, so as to improve soil fertility.
Barley. Barley prefers acidic soil, does not like alkaline soil, when cultivating it, the soil should be more fertile and better drained, the root system of barley is not developed, and the depth of the soil layer needs to be paid attention to the soil for barley.
Soybean. Soybeans like neutral and weak acidity, do not like alkaline soil, generally in an acidic environment to cultivate it to help it grow, so to soybean soil needs to pay attention to whether the soil is rich in organic matter, orange width and height, water retention is good.
Potato. Potatoes like acidic soil, do not like alkaline soil, it is suitable for planting with loose and fertile soil, when the potato soil is mixed with soil, you need to pay attention to the lack of nitrogen, phosphorus, potassium in the soil, lack of fertilizer to the soil.
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