Shorten the closed greenhouse after planting at the mild seedling stage to ensure the suitable temperature of the seedling to promote seedling easing. After 6 to 7 days, ventilation should be used to cool down and end the easing of seedlings. If there is no experience, for the sake of safety, the easing seedling period can be shortened to 5 to 6 days. Promptly ventilated, and appropriate ventilation and timely ventilation, reduce temperature, initially maintained at 28 °C ~ 30 °C, after gradually cooling, to flowering fruiting period to maintain 20 °C. When the outside minimum temperature is not lower than 15°C, it should be ventilated during the day and night. Under the suitable temperature and large temperature difference between day and night, the plants grow robustly, with short internodes, flat leaves, and more fruit set. Strengthen the management of fertilizer and water with less water during the planting period. After the seedlings are grown, they are generally not watered until the door peppers are sitting. When the door peppers are large, such as walnuts, they can be watered and topdressed. Later, with the increase in the number of fruit set and fruit picking in succession, watering and fertilizing should also be appropriately increased. In particular, more organic fertilizers and phosphorus and potassium fertilizers should be applied. Ensure the light, prevent light from the sun in the low temperature season, the plants are easy to grow long, and try to increase the light intensity of the greenhouse temperature under possible conditions. For example, the film is covered with no drip film, and the new film is replaced every year. Since grass dust, thin films, etc. are easily contaminated by dust, frequent wiping, appropriate thinning, and low planting density are required to prevent the plants from being blocked by each other.
Vitamins:
Vitamin A:
Retinol. Carotene compounds responsible for transmitting light sensation in the
retina of the eye. Deficiency leads to night blindness.
Beta carotene: An
antioxidant which protects cells against oxidation damage that can lead to cancer.
Beta carotene is converted, as needed, to vitamin A. Food sources of beta
carotene include vegetables such as carrots, sweet potatoes, spinach and other
leafy green vegetables; and fruit such as cantaloupes and apricots. Excessive
carotene in the diet can temporarily yellow the skin, a condition called
carotenemia, commonly seen in infants fed largely mushed carrots.
Vitamin B1:
Thiamin, acts as a coenzyme in body metabolism. Deficiency leads to beriberi, a
disease of the heart and nervous system.
Vitamin B2:
Riboflavin, essential for the reactions of coenzymes. Deficiency causes
inflammation of the lining of the mouth and skin.
Vitamin B3:
Niacin, an essential part of coenzymes of body metabolism. Deficiency causes
inflammation of the skin, vagina, rectum and mouth, as well as mental slowing.
Vitamin B6:
Pyridoxine, a cofactor for enzymes. Deficiency leads to inflammation of the
skin and mouth, nausea, vomiting, dizziness , weakness and anemia.
Folate (folic
acid): Folic acid is an important factor in nucleic acid synthesis (the genetic
material). Folate deficiency leads to megaloblastic anemia.
Vitamin B12: An
essential factor in nucleic acid synthesis (the genetic material of all cells).
Deficiency leads to megaloblastic anemia, as can be seen in pernicious anemia.
Vitamin C:
Ascorbic acid, important in the synthesis of collagen, the framework protein
for tissues of the body. Deficiency leads to scurvy, characterized by fragile
capillaries, poor wound healing, and bone deformity in children.
Vitamin D: A
steroid vitamin which promotes absorption and metabolism of calcium and
phosphorus. Under normal conditions of sunlight exposure, no dietary
supplementation is necessary because sunlight promotes adequate vitamin D
synthesis in the skin. Deficiency can lead to osteomalacia in adults and bone
deformity (rickets) in children.
Vitamin E:
Deficiency can lead to anemia.
Vitamin K: An
essential factor in the formation of blood clotting factors. Deficiency can
lead to abnormal bleeding.
Nutritions:
For the treatment
of nutritional disease, any of the nutrient-related diseases and conditions
that cause illness in humans. They may include deficiencies or excesses in the
diet, obesity and eating disorders, and chronic diseases such as cardiovascular
disease, hypertension, cancer, and diabetes mellitus. Nutritional diseases also
include developmental abnormalities that can be prevented by diet, hereditary
metabolic disorders that respond to dietary treatment, the interaction of foods
and nutrients with drugs, food allergies and intolerances, and potential
hazards in the food supply. All of these categories are described in this
article. For a discussion of essential nutrients, dietary recommendations, and
human nutritional needs and concerns throughout the life cycle, see nutrition,
human.
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How to cultivate greenhouse pepper
In greenhouses and bell peppers cultivated in greenhouses, if they are improperly managed at a particular stage, plant growth will flourish, but they will not be fruitful or fruitless. The farmers will call it empty and can be controlled by the following measures.