When are onions harvested? Master the best time to make onions more delicious
Onions are an indispensable condiment in the kitchen, and their harvest time directly affects the taste and nutritional value. In the past 10 days, the topic of green onion planting and harvesting has become a hot topic on social media and agricultural forums, with many planting enthusiasts sharing their experiences. This article will combine popular discussions on the Internet to analyze the best harvest time for onions and provide structured data reference.
1. Differences in types of onions and harvesting times
There are significant differences in the growth cycles and harvest times of different types of onions. The following is a comparison of common onion harvesting times recently shared by agricultural experts:
| Types of green onions | Growth cycle (days) | best harvest season | feature |
|---|---|---|---|
| green onions | 90-120 | Autumn (September-November) | Thick stems, long leaves, strong cold resistance |
| green onion | 60-80 | Spring(March-May) | Thin stems, short leaves, fast growth |
| Divide onions | 70-90 | Summer(June-August) | Strong tillering ability and can be harvested multiple times |
| Chives | 50-70 | Available throughout the year | Strong smell, suitable for potted plants |
2. Five signs to determine when onions are ripe
According to recent sharing from popular agricultural bloggers, there are five key indicators to pay attention to when harvesting onions:
1.Blade status: Harvest onions when their leaves reach the typical length of the variety and no longer grow significantly. Green onion leaves are usually 30-50 cm long, and shallot leaves are 20-30 cm long.
2.Stem thickness: The best harvesting period is when the diameter of the white part of scallions reaches 1-3 cm (depending on the variety). Recently, some growers have used mobile phone measurement apps to record changes in onion diameter and share precise harvest times.
3.growing days: As can be seen from the above table, different varieties have relatively fixed growth cycles. However, the actual harvest needs to be adjusted according to local climate conditions.
4.weather conditions: Abnormal weather has occurred in many places in the past 10 days. Experts recommend avoiding harvesting on rainy days and picking after 2-3 consecutive sunny days to extend the shelf life.
5.market demand: The price of onions has fluctuated significantly recently. Some farmers will harvest early or late according to the market price, but this may affect the quality.
3. Reference on onion harvesting time in various regions
Combining recent agrometeorological data and grower reports, the current harvest times in my country's major onion-producing areas are as follows:
| area | Main varieties | Current harvest period | Special considerations |
|---|---|---|---|
| Shandong | Zhangqiu green onions | Mid-October to November | Harvest needs to be completed before frost |
| Fujian | chives | Available throughout the year | Shade required in summer |
| northeast | Green onions from cold regions | Late September to early October | Need to prevent morning frost |
| Yunnan | four seasons green onion | Harvest on demand | Pay attention to drainage during rainy season |
| Jiangsu and Zhejiang | local spring onions | Mainly from March to May | Best quality in spring |
4. Post-harvest onion handling techniques
Recently, there has been a heated discussion on social platforms about post-harvest onion processing methods. The following are the three most popular tips:
1.Drying method: After harvesting, lay flat to dry for 1-2 days to remove surface moisture. Some netizens shared that using a food dehydrator can shorten the time to 2 hours.
2.Storage conditions: The optimal storage temperature is 0-4℃, and the humidity is 65%-75%. The recently popular vacuum packaging method can extend the shelf life to 1 month.
3.Preprocessing tips: Cleaning and cutting into sections for freezing and storage has become a new trend, especially suitable for urban families. A food blogger shared an innovative method of freezing onions by mixing them with olive oil.
5. Recent hot topics in onion planting
In the past 10 days, the following topics about onions have been the most discussed:
1. The impact of climate change on the growth cycle of onions - many places report shortening of the growing season
2. Organic onion planting technology - especially the popularization of soilless cultivation methods
3. Deeply processed onion products - such as onion powder, onion oil and other home preparation methods
4. Space-saving tips for growing green onions on the balcony - Vertical planting devices are popular
5. Analysis of onion price fluctuations - prices have increased significantly in some areas
Mastering the correct onion harvest time can not only ensure the best flavor, but also improve economic benefits. It is recommended that growers consider the actual local conditions and refer to the above data and experience to choose the most suitable harvest time. As planting technology advances, more accurate harvest prediction methods may emerge in the future, and it is worth continuing to pay attention to the latest developments in related fields.
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