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Detailed Explanation of Key Points in Pinellia ternata Cultivation and Management Techniques

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I. Land preparation. Sandy or semi-sandy soil is preferred, other soils are secondary, and there must be good drainage and watering conditions. Land that is too sandy or too clayey is not suitable for planting. In practical operation, the bed should be controlled at a width of 1.5 m, not too wide. Around May 1, plant double rows of corn on the bed ridges to provide shade for Pinellia ternata. East-west beds are preferable. Planting under forest is possible except in fruit tree plots, and growth is good there. Whether spring sowing or autumn planting, the land must be prepared well in advance, sufficient base fertilizer applied, and the land should not be plowed too deep. II. Sowing. With a row spacing of 15 cm-20 cm,

I. Land preparation. Sandy or semi-sandy soil is preferred, other soils are secondary, and there must be good drainage and watering conditions. Land that is too sandy or too clayey is not suitable for planting. In practical operation, the bed should be controlled at a width of 1.5 m, not too wide. Around May 1, plant double rows of corn on the bed ridges to provide shade for Pinellia ternata. East-west beds are preferable. Planting under forest is possible except in fruit tree plots, and growth is good there. Whether spring sowing or autumn planting, the land must be prepared well in advance, sufficient base fertilizer applied, and the land should not be plowed too deep. II. Sowing. With a row spacing of 15 cm-20 cm, open small furrows 3 cm-4 cm deep, evenly scatter the seed corms in the furrows, with a plant spacing of 2 cm-6 cm, cover with 1 cm-2 cm of soil, then level the surface. If the weather is dry, water may be applied, and the temperature should be controlled at 18°C-20°C. Generally, seedlings emerge successively in 12 days-15 days. III. Field management. Pinellia ternata has 2-3 occurrences of seedling emergence and sprout lodging per year. After sprout lodging, new seedlings will grow again after a few days; this is a normal reproductive phenomenon. During sprout lodging, if there are weeds, pull them out as much as possible. After sprout lodging, if the land is dry, water promptly to help seedling emergence. When the seedlings are normal, apply nitrogen, phosphorus, and potassium fertilizer, using 20 kg-25 kg per mu, and be careful not to get it on the leaf surfaces. Manage the corn on the field ridges according to conventional practices, and manage the trees according to conventional practices as well. When there is excessive rain, pay attention to drainage, and do not let water accumulate in the beds for a long time. If flower scapes appear, they can be cut off so that nutrients are concentrated in the underground tubers, which helps increase yield.

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