Now with the development of watermelon planting technology and planting facilities, delicious watermelons can be eaten all year round. As foodies, we must be grateful for the invention of the greenhouse, which provides us with a suitable planting environment throughout the year.
1. Watermelon planting classification
Watermelon planting is generally divided into spring stubble, summer stubble, autumn stubble and east stubble. Spring, autumn, and winter stubble planting requires greenhouses. Summer stubble is generally planted in normal seasons. There is also a certain degree of particularity about when to plant and what kind of greenhouses to choose, because the cost of greenhouses is different, the price of greenhouses used in winter is higher, and the cost of greenhouses used in spring and autumn is lower.
Spring stubble, autumn stubble choose spring and autumn greenhouse
①Basic structure introduction:
The design, structure and installation of the spring and autumn greenhouses are relatively simple. The main scope of use is to increase the temperature of the greenhouse in the spring and late autumn seasons, mainly to ensure that the temperature in the greenhouse at night should not be too low. The main structure and materials of the spring and autumn greenhouse are composed of galvanized round tube frame, anti-drip film, card slot, circlip, film roll, insect net, laminating line and other main materials. Such a greenhouse is also very easy to install. The installation does not require foundation construction, it can be directly inserted into the ground 30-40 cm, and then choose the ground anchor to fix it, so that it will not be blown away by the strong wind.
The spring and autumn greenhouses are mainly used in the beginning of spring. Because the temperature in spring is relatively low, the spring and autumn greenhouses can effectively increase the temperature to ensure the temperature required for the normal growth of watermelons. The temperature also drops at the end of autumn, especially at night, because the watermelon is close to ripe at this time, but it still takes some time to mature. This is the time that the temperature brought by the spring and autumn greenhouses is enough for the watermelons to mature, and additional heating equipment is needed.
②The scope of use of the spring and autumn greenhouse:
This is the reason why spring and autumn stubble plants are mostly used in spring and autumn greenhouses, which are cheap, easy to install, and practical.
Winter planting requires a greenhouse with thermal insulation and heating equipment-solar greenhouse
2. Basic introduction of solar greenhouse:
Sunlight greenhouses are the most commonly used greenhouses in winter agricultural production, commonly known as production greenhouses. Its thermal insulation is very good, which has a lot to do with its special design structure. The main structure is generally soil wall or brick wall. Nowadays, brick wall and insulation layer are used to some extent, so that the thermal insulation coefficient is higher, and the most traditional soil The wall is basically not used much, because the floor area is relatively large and usually has a thickness of 50 cm. The soil wall is easily damaged by rain, causing the danger of collapse.
Most of the solar greenhouses now have brick walls + external thermal insulation structures. Most of the skeletons now only have hot-dip galvanized steel or oval tube skeletons. The design life is 10 years, and the use will definitely exceed 10 years. At present, most of the covering materials are still 10 filaments or 14 filaments (thickness of the film) anti-drip PO film, which can be used for about 3 years without man-made damage. The waterproof insulation quilt used for insulation can generally be used for 5 years. There are also automatic equipment such as the electric quilt and electric film roll of the insulation quilt, which can reduce the work of opening and closing the insulation quilt every day. Previously, the greenhouse used straw mat insulation, which was rolled and put down by manpower. Both require a lot of manpower. The electric film rolling machine is mainly used to control the windproof vent every day. There is an insect-proof net under the windproof vent. Please pay attention to it. If it is damaged, please repair it in time.
3. A few words steel greenhouse skeleton
In the solar greenhouse, some installation auxiliary material circlip grooves are used to fix the plastic film, and the film line is also to fix the plastic film, so that it will not be blown away in strong winds. Solar greenhouses are mainly planted in winter. Due to the short sunshine time in the north in winter, the sweetness of watermelons will decrease. Plant supplementary lights will be installed in the solar greenhouses to promote photosynthesis of plants and increase the sweetness of watermelons.
Summarize:
What kind of watermelon to grow, and what style of greenhouse to choose, is more conducive to saving costs and creating higher economic benefits. In the spring and autumn, you can choose the spring and autumn greenhouse to meet the needs and the price is cheap. For watermelons in the east, you should choose a solar greenhouse with better heat preservation to ensure better watermelon growth in winter.What is the biggest feature of building a watermelon planting greenhouse?
