Tomatoes lack calcium, many physiological diseases will occur, such as umbilical rot, split fruit and poor coloration. In order to ensure the normal growth and smooth flowering of tomatoes, prolong the fruiting period, high yield and good quality, calcium fertilizer should be applied in time. First, the symptoms Calcium-deficient tomatoes are usually short and thin, and the leaves droop. In the early days of calcium deficiency, the edges of the heart are yellow and shrunken, and the heart and leaves die when severe. The leaves of the middle part of the plant formed large dark brown patches, and thereafter the entire plant leaf rolled over and lost its green color, showing a pale yellow color. The fruit umbilicus showed watery, light yellow-brown to dark green-brown lesions with uneven surface and necrotic tissue (ie, umbilical rot). During fruit ripening and maturation, if the supply of calcium is insufficient, there will be cracking, which will lead to poor coloration of the fruit, resulting in the formation of green cherries, rotted fruits, and brown fruits, which will make the fruit dull. Second, measures Foliar spraying 0.3% to 0.5% calcium nitrate aqueous solution, or 0.1% to 0.2% calcium chloride aqueous solution, or 400 to 500 times activated calcium aqueous solution, or 600 to 800 times fluid calcium aqueous solution, or 800 to 1000 times polymerized calcium aqueous solution, Or 600 ~ 800 times the calcium chelate solution, or 800 ~ 1000 times calcium carbonate solution, or 500 ~ 600 times amino acid calcium solution, etc., is an effective method for calcium supplementation tomato. Spray once every 7 to 10 days, continuous spraying 2 to 3 times, that is a good effect of calcium. Tomato fruits during the expansion and maturation are the best time for calcium supplementation. In addition, the use of superphosphate or calcium magnesium phosphate fertilizer as base fertilizer, 80 to 100 kg per acre, can significantly increase the amount of calcium in the soil, adding the decomposed livestock and poultry manure and biological bacterial fertilizer with the application, can make the soil The active calcium content is significantly increased, which is conducive to the absorption and utilization of tomato roots and avoids calcium deficiency during tomato growth and development. If the tomatoes are planted in acidic soil, when planting tomatoes in the soil, 50-60 kg of cooked lime powder is applied per acre to neutralize the acidity of the soil and increase the calcium content of the soil, so as to ensure sufficient calcium supply for tomato growth and development. need.
Black beans are rich in protein, fat, carbohydrates, carotene, vitamins B1, B2, crude fiber, calcium, phosphorus, iron and other nutrients, and contain a small amount of daidzein glycoside genistein. Can cure disease, medicine and food are salty. Traditional Chinese medicine believes that black beans are a cheap and anti-aging food, with special functions of medicine and food.
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