Inexperienced gardeners, after harvesting, believe that all work in the greenhouse is completely finished and further actions can be postponed until spring. However, this is not so, since spores of fungi and larvae of various pests tolerate cold weather well in the ground, as well as on frame elements and agricultural implements. Therefore, so that future seedlings are not damaged by diseases and parasites, it is imperative to process the greenhouse in the fall.
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Processing process
Disinfection measures must be carried out immediately after harvest, which will minimize the risk of diseases of vegetable crops and simplify spring preparation for the upcoming season. Greenhouse maintenance is not just about digging up the ground and cleaning up plant residues. It is important to process the soil, apply fertilizers, preparing the beds for planting seedlings, and also wash all the details of the structure.
They begin work with cleaning the soil, carefully removing mulch and all plant residues from the surface, since even isolated fragments of infected roots or infected tops may pose a potential hazard to future seedlings. The cover is removed from the film greenhouse, washed, dried and removed until the next season. The room is freed from pins and supports.
In the autumn, the soil is overwhelmed with microorganisms that can harm vegetable crops. To rid the beds of pests and bacteria, it is recommended to dig up the ground approximately on the bayonet of a shovel, and only then treat the soil with special preparations. In addition to pathogenic microflora, residues of insecticides and fertilizers accumulate in the beds. In this regard, the old layer of soil should be changed once every 2-3 years, taking it outside the boundaries of the site or laying it in a compost heap.
Next steps
At the end of the season, the greenhouse looks unattractive: fallen leaves, cobwebs, dirty walls, moss, etc. You can put it in order with a broom, rag and mop. It is even easier to clean the outside of the room by sprinkling the walls with water from a hose. To process the greenhouse inside, you will need a laundry soap, which should be dissolved in water. For 10 liters, take 1 piece, moisten the walls with a ready-made solution, stand for 10-15 minutes, and then wash off. The equipment and supports are cleaned in the same way. If the walls are made of polycarbonate, use microfiber rags or a non-hard sponge so as not to damage the surface.
Instead of soapy water, you can use baking soda, potassium permanganate, bleach, formalin, or dish cleaner. Copper sulfate will help to remove lichens and moss. For a longer service life, the metal frame is treated with an anticorrosive agent, and the wooden one with an antiseptic. If the vegetable crops were affected by brown spot, root rot, powdery mildew or late blight, it is necessary treat the greenhouse with Bordeaux liquid, copper oxychloride or fungicides such as Fitosporin, Consento, Revus and dr.
For a more stable effect, it is advisable to repeat the procedure after 2 weeks or after the time recommended in the instructions for a particular drug. Copper sulfate is a universal disinfectant, which will also serve as an excellent fertilizer. However, it is not recommended to use the substance more than once every 5 years, as it increases acidity. The soil is sprayed or spilled with a ready-made solution, diluting 100 g of the product in 10 liters of water. To clean the room, it is also allowed to use a sulfur checker, which will perfectly clean the greenhouse from all kinds of pests and bacteria.
During insecticide treatments, it is important to provide personal protection by wearing rubber gloves, goggles, an apron, and a respirator. Do not work in a closed greenhouse for more than 10 minutes. After the performed manipulations, the room must be ventilated. Cleaning work begins in the last days of September and ends before frost.
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