ecosystem
1, the temperature requirements: the average ground temperature at about 10 °C, Pinellia germination seedlings; average temperature reached 15 °C ~ 27 °C, the most plentiful growth of Pinellia. In some parts of China, beginning in mid-July, with the end of the rainy season, the temperature rose, the maximum temperature often exceeded 35°C, the growth of the Pinellia was severely affected, and the overcast parts of the Pinellia that had not been shaded in succession died one after another, forming a large summer fall. seedling. The suitable temperature for the growth of Pinellia ternate is 23°C-29°C.
2. Requirements for humidity: Pinellia is not tolerant to drought, and it prefers to grow in high-humidity soil. We have investigated a Pinellia high-yielding field in Zhongxing Town, Shan County, with an average tuber yield of 1,500 kg. Its variety is Heze's “Narrow-leaved Tri-leaf Pinellia.†There is almost no significant downturning process throughout the year. Even during the summer season, the growth is very strong. One of the main measures is to insist on daily irrigation in wells and gutters every day in the summer. This will not only keep the soil moist but also reduce the soil temperature. Pinellia is both happy and afraid of water. When the soil moisture exceeds a certain limit, it will grow poorly, causing rot, roots, and seedlings to die. Tuber yield will decline.
3, the requirements of light: Pinellia is shade-tolerant rather than shade plants, under moderate shading conditions, can grow lush. However, if the light is too strong, Pinellia is difficult to survive. Half-shade environment is suitable, and the number of bulbs and the weight gain of tubers can reach the maximum value.
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