A bogey at random to change the greenhouse light angle. The north-south span, height, and back-slope angle of the greenhouse for planting cucumbers should not be arbitrarily changed. Second bogey concentrated fertilization when planting. Fertilizers, especially nitrogen fertilizers, produce a large amount of harmful gases when they are humid and at high temperatures. For example, they can be concentrated in planting furrows and can cause cucumber roots to die. Three bogey too deep. Cucumber grafting is to resist disease. If the planting seedlings are too deep, the cucumber will give birth to regenerated roots, which will lose its grafting effect and will not achieve the purpose of grafting. Four bogey rainy days do not pull grass. People tend to think grass, rain, and snow are pulling grass, and the temperature in the greenhouse will fall. In fact, this practice will cause more harm than usual. The temperature will not only decrease slowly, but will also cause physiological disorders due to the long-term absence of sunlight from cucumbers. Five avoid bogey nitrogen fertilizer in winter. Due to nitrogen fertilizer in the dispersion process, it will cause a significant drop in water temperature, promote the reduction of temperature, affect the normal growth of cucumber. Six bogey is not cooked organic fertilizer. Organic fertilizers will ferment very quickly in the presence of high temperatures. During the fermentation process, a large amount of ammonia will be produced. Lighter persons will decompose nitrogen fertilizers in the greenhouse, and most of them will kill all cucumber seedlings in the greenhouse. Seven avoid spraying at noon evening. Noon in the spray greenhouse temperature is too high, leaf water transpiration fast, the drug has not absorbed, it dried, especially manganese, zinc drugs, will cause phytotoxicity. Spraying in the evening is just the opposite of noon, because after the spraying, it is not completely absorbed by the cucumber leaves, it will be decomposed due to moisture and fail to reach the treatment purpose, which will aggravate the disease. Eight bogey is too low. One-time fall and dwarf will make the leaves reduce light, affect the normal growth of melons. Nine bogey ignored the top dressing. Cucumbers were prematurely attenuated due to lack of fertilizers in the later period, the effective harvesting period was shortened, the yield of cucumbers decreased, and the melons such as crooked melons increased.
