Cucumbers open field cultivation season due to the climate conditions vary, Heilongjiang, Jilin, Inner Mongolia, Liaoning, Shanxi, Hebei, northern Shaanxi and other places is a cold climate or cold, frost-free period is short, about 130 a year - 180 days, compared with summer temperatures high, but the nights are cool, and more in the following 25 ℃, it is suitable for cucumber production, and safe summering, from spring to Akio long-term 6--7 months, and mild disease, is a single-master for the region. In Liaoning, Hebei, Shanxi, southwestern Shaanxi, Shandong, Henan, Beijing, Tianjin, Jinan, and Jiangsu, Anhui, and northern Hubei, the frost-free period is more than 200 days. The climate is characterized by mild spring, sunny, and less rainfall, but hot and rainy summers. The autumn is cool and the temperature drops rapidly. There are spring cucumber ( early maturing ) , summer cucumber ( common cultivation ) and autumn cucumber in this area. Spring Cucumber cultivation is the main form, usually before the cream off 35 - nursery 40 days, after the cream off planting, spring growth cucumber cultivation exuberant, good flowering, listed early, high yield. However, in the subsequent period, often due to high temperature and rainfall, downy mildew, anthracnose serious, can not be over-summering, usually around mid-July to pull seedlings. Xia ordinary cucumber cultivation in the region after the cream off live or nursery, then spring cucumber on the market, sowing less stringent, generally more than 50 days after sowing harvest, harvest 30 - 50 days.
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Autumn is usually 3 cucumber before the beginning of the local frost - live four months in open field or nursery, about 50 days after sowing harvest, cold dew pull seedlings. In order to accurately determine the sowing date and planting period of open field cucumbers in various regions, it can be determined by reference to the frost period and the above principles. In Hubei, Hunan, Jiangxi, Zhejiang and Shanghai in the middle and lower reaches of the Yangtze River, as well as in Anhui, southern Jiangsu, northern Fujian and other regions, the climate is warm and humid, and the frost-free period is long. Three-year-old cucumbers can also be cultivated in the open year. Xia Wei and Qiu Jin, and in the southern part of Hainan, Guangdong, Guangxi, Taiwan, Hong Kong, and Fujian and Yunnan, where there is sufficient rainfall and annual warmth, cucumbers can be planted all year round because of the frost-free year-round. However, due to strong typhoons and heavy rains, production is unstable.
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Source: China Vegetable Network
Standard function:
1. Heat treated steel vertical drill-resistant pins on both side of cylinder
2. Mushroom counter pins resistant to attack.
5,6 rounded-head picking proof combination pins are available.
One side opened by key, one side is dead end.
Optional function:
4. Service key system: 1pcs, Once the owner's key be used, the service key will be disabled.
5. Stiffening device: Central breaking-proof, anti-snap, body reinforcement
6. Owner card: As a indication of the key duplication and quality guarantee
7. Master Key or Key Alike are available
8. Finish: 01-Brass polished with varnish
02-Bright Nickel plated
03-Satin Nickel Plated
Single Sided Computer Key Cylinder Lock
Single Sided Computer Key Cylinder Lock,Single Sided Cylinder Lock,Emergency Release Cylinder Lock,Single Lock Cylinder
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