Suzhou Qing Planting Methods and Key Techniques

Suzhou Qing has a plant height and spread of 30 cm, with nearly round leaves, green leaf color, smooth surface, and flat, relatively thick leaf stalks. The weight per plant is about 75 grams. It is disease-resistant, cold-tolerant, and bolts late. The yield is about 2000 kg per mu. So what are the planting methods for Suzhou Qing?

1. Planting Methods for Suzhou Qing

In Jiangsu, broadcast sowing is done from early February to August, with a seeding rate of 1-1.5 kg per mu. Small greens are harvested in 25-40 days, with a yield of 800-1250 kg per mu, and are marketed from April to September. Sowing and seedling raising are done from mid-to-late July to September, transplanting from late August to mid-November. Large greens are harvested 30-50 days after transplanting, with a yield of 1000-4000 kg per mu, and are marketed from September to December. Sowing and seedling raising in early October with transplanting in November produces xiaocangcai, which is marketed from January to February with a yield of 800-1500 kg per mu. The flowering stalks are marketed in March with a yield of 750 kg per mu. For the first crop of large greens (transplanted from late August to mid-September), the row spacing is 30 cm and plant spacing is 30 cm. For the second crop of large greens (transplanted in mid-October), the row spacing is 27 cm and plant spacing is 27 cm. For the third crop of large greens (transplanted in mid-November), the row spacing is 20 cm and plant spacing is 20 cm. For xiaocangcai, the row spacing is 17 cm and plant spacing is 17 cm. Suzhou Qing can be produced and supplied year-round.

2. Precautions

1. This variety cannot be saved for seed on your own.

2. Sowing should be done at the appropriate time according to local soil, climate, and planting conditions. For large-scale cultivation, introduce and trial-plant first.

3. Characteristics and Traits of Suzhou Qing

Characteristics and traits: The plant is upright, with a waisted base, a plant height of about 25 cm, and a spread of about 27.5 cm. The leaves are oval, entire, dark green, and smooth on the surface. The leaf stalks are semicircular and grayish green. It is relatively cold-tolerant, has good market quality, and is tender and fresh-tasting. Cultivation points: The sowing period is from July to October, with seedling raising and transplanting. The seedling stage is 20-40 days. The planting spacing is 20X25 cm. The harvest period is from September to February of the following year, with a yield of 1500-3000 kg per mu. In northern regions, it can grow normally at lower temperatures. For sparse direct sowing, use 0.5 kg of seed per mu.