The growth habits of cash cows Cash cows like warm, slightly dry, semi-cloudy and small annual temperature difference. More drought-tolerant, but afraid of cold, afraid of strong light, afraid of clay, afraid of basin soil water. If the basin soil is impermeable to water, it will easily lead to tuber rot. The soil is required to be loose and fertile, well drained, rich in organic matter and acidic to slightly acidic. Its germination ability is very strong, and after cutting off the thick pinnate compound leaves, it can quickly extract new leaves from the top of its tuber.
Key points of cultivation and management of money tree The suitable temperature for its growth is 20 ~ 32℃. Whether potted or planted underground, it is required that the annual average temperature change is small, and productive cultivation is best carried out in a greenhouse with controllable temperature. Every summer, when the temperature in the Yangtze River basin is above 35℃, plants grow badly. We should cover them with a black net to shade them, and spray water to the surrounding environment to cool them down, so as to create a suitable dry living environment for them. It is best to keep the greenhouse temperature above 10℃ in winter. If the room temperature is lower than 5℃, it will easily lead to plant chilling injury and seriously endanger its survival. In the winter of 2002, the outdoor temperature in Hefei suddenly dropped below -7℃, and the indoor temperature was below 3℃. Many kinds of cash cows at home or in the office were frozen to death. In late autumn and early winter, when the temperature drops below 8℃, you should move to a well-lit room in time. During the whole wintering period, the temperature should be kept between 8℃ and 10℃, which is safe and reliable.
Light cash cows like light and have strong shade tolerance, so we should create a sunny but cool environment for them. Direct glare should be avoided, especially in Chu Qing after a long rain in late spring and early summer, and 5-6 hours of strong light baking around noon in summer, otherwise, the newly-pumped young leaves will be easily burned. Productive cultivation, from late spring to Mid-Autumn Festival, should be placed under a shade shed with 50% to 70% shade, but it should not be too dark, otherwise it will lead to slender new leaves and sparse interlobular spacing, thus affecting the compact and beautiful plants. In winter, the potted plants moved into the shed should be filled with light. Balcony cultivation should be moved indoors a few hours before and after noon in summer, and potted plants should be placed in front of a well-lit window in winter, and should not be stuffed in an excessively dark corner, otherwise the leaves will turn yellow and absent-minded. Plants can be kept disease-free for many years in southern China, the newly picked pinnate compound leaves do not show obvious phototaxis, and the soil moisture is kept dry. The mixed solution of 0. 1% potassium dihydrogen phosphate and 0.2% urea is sprayed once a month. Therefore, it is suitable for long-term indoor display and appreciation.
In order to protect potted money trees, we should try our best to manage a humid and dry environment for them. For balcony maintenance at home, if it is above the third floor, you can put the potted plants on a damp sand table, and usually pay attention to spraying some water on the leaves to wash off the fine dust attached to the leaves, and at the same time pay attention to shading. Indoor maintenance: when the room temperature reaches above 33℃, spray water on the plants once a day to keep the pot soil slightly wet. For productive cultivation, for the plants placed under the shade shed, it is better to keep the pot soil slightly wet and dry because of the strong drought resistance, but occasionally pouring too much water and fertilizer will not make their roots rot due to flooding. In winter, we should pay attention to spraying water on the blades and the surrounding environment, so that the relative humidity of the air can reach more than 50%. After the Mid-Autumn Festival, watering should be reduced, or water spraying should be changed, so as to facilitate the safe overwintering of newly pumped tender leaves. In addition, special attention should be paid to the pot soil in winter, which should not be too wet, and it is better to be dry. Otherwise, under the condition of low temperature, the pot soil is too wet, which is more likely to lead to root rot or even the death of the whole plant.
Due to the special climatic conditions of the origin of the money tree, the soil has formed a strong drought resistance, so the basic requirement for the cultivation substrate is good air permeability. The cultivation substrate is mostly peat, coarse sand or washed coal cinder mixed with a small amount of garden soil, and its pH value is adjusted to 6-6.5, showing a slightly acidic state. Because of its huge tuber, well-developed root system and long pinnate compound leaves, it is advisable to choose dark blue-and-white porcelain pots or purple sand potted plants, but the lower part should be padded with stones, bricks or bark blocks, the height of which is about 1/4 of the depth of the flowerpot, so as to create a good root system environment and facilitate ventilation and filtration. In the growing season, loosen the soil once a month, and always maintain good permeability of the culture medium. Check frequently in rainy season. If there is water in the basin, turn over the basin and change the soil in time.
Fertilizer "cash cow" prefers fertilizer. In addition to adding a proper amount of baked cake fertilizer or multi-element slow-release compound fertilizer to the cultivation substrate, pancake fertilizer water can be poured once a month during the growing season, or a mixed solution of 0.2% urea and 0. 1% potassium dihydrogen phosphate can be used. Potted money tree is located in the north of Huanghuai, and appropriate amount of ferrous sulfate can be added to the fertilizer solution to prevent physiological yellowing of leaves. After the Mid-Autumn Festival, in order to survive the winter safely, nitrogen fertilizer should be stopped and 0.3% potassium dihydrogen phosphate solution should be applied continuously for 2 ~ 3 times to promote the hardening and enrichment of young leaf shafts and newly pumped leaves. When the temperature drops below 15℃, all forms of topdressing should be stopped to avoid fertilizer damage and root damage under low temperature.