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(2) Spring cabbage adopts a strong early maturing winter variety.
1 The single main cropping areas in the northeast, northern North China, and northwestern China are planted in the greenhouse in early February. The seedlings are planted in cold beds or plastic arch sheds and planted in the open air from late April to early May.
2 North China, Xi'an, Jinan, and other two main cropping areas were planted in Yangshuo from the end of January to the beginning of February, or planted in the greenhouse in early February and seedlings were planted in Yangshuo.
3 In southern regions, seedlings are planted in open fields in the middle and late October, and planted in late November to early December, and harvested from April to May.
Precocious Spring Cabbage is selected for wintering and can be used for soil preparation, planting and planting after thawing. You can grow autumn vegetables. Can also be interplanted with corn, cotton, tomato or wax gourd. (3) Heat-resistant, disease-resistant medium-maturing varieties were selected from summer cabbage. Seedlings were sown in batches from late March to early May, and planted from May to June and harvested from July to September. Use shade nets and insect nets to cover cultivation.
Summer cabbage before the growth of a short spinach, overwintering early spring vegetables; Houyi reliable for autumn vegetables or picking up overwintering vegetables.
(4) Large-scale late-maturing varieties were selected for the single main cropping area in northeastern, northern North China, and northwestern China with short frost-free periods. Seedlings were planted in Yangshuo from late March to mid-April, and planted from late May to late June, 9-10. Monthly harvest.
2 Early and middle-maturing varieties were selected in the dual main cropping areas of North China, Xi’an, Jinan, and Taiyuan, sowed in open fields in mid-to-late June, planted in late July and early August, and harvested in October-November.
3 The southern Yangtze River is planted in the middle and lower reaches of the Yangtze River from June to July, and harvested from late October to November; from late August to September, it is harvested from December to February; in South China, it can be planted from June to August. Sunshade net rain canopy cover during nursery. Colonization after 40 days.
Autumn cabbage is served as spring and spring vegetables.
(5) Early winter and mid-maturing varieties with low temperature tolerance and weak light were selected for winter cabbage in greenhouses. They were planted from September to October, and planted from late October to late December. New Year's Day and Spring Festival were harvested.
(6) In the areas where the overwintering winter is covered with cabbages in Henan, and in the middle and southern parts of Shandong, the average temperature in January is -1°C. Early and medium-maturing varieties with strong winter and cold-resistance are selected, and shady rainproof shelters are provided from late July to early August. Seedlings are planted from late August to early September. In winter, the plants are covered with mulch, non-woven fabrics, and small sheds, which are harvested from mid-to-late February to early April.
To work with non-cruciferous vegetables for more than 3 years.
(1) Early maturing varieties with strong winter selection were planted in protected areas and planted in greenhouses and improved Yangshuo from mid-late December to mid-January and planted in small arches in mid-March. Can also be nursed in the greenhouse in late November, from late January to early February, planted in a greenhouse or modified Yangshuo cultivation.