Recently, many readers have come to inquire about the cultivation techniques of Chaotianjiao, such as "Shenghuo", "Tianyu 5" and "Tianlong". The editor invited a vegetable expert Liu Baozhen to write an article for readers' reference. "Zhaohuo", "Tianyu 5" and "Tianlong" and other Chaotianjiao are all introduced from South Korea. Among them, "Shenghuo" is cultivated by the United States Monsanto's St. Nice Seed Company (the world's largest vegetable seed company) and is currently the world's finest. One of the new varieties of Chaotian pepper. These varieties are late-maturing, plant type tall, clustered, 8 to 12 Fruit per cluster, pepper type uniform, bright red color, pepper thick 1~1.2 cm, pepper length 5~6 cm, fresh pepper yield 2000~2500 kg, dry Pepper yield 500-600 kg, good maturity, conducive to harvest (100 kg picking fresh pepper per day), can be fresh, preserved, dried, dried, deep processing, etc., because the pepper type is good, Spicy High (85,000 sterility), welcomed by the market, the purchase price of fresh pepper is 1.5~2.0 yuan/kg higher than that of Sanyingjiao, a new generation, so the planting efficiency has nearly doubled. It is suitable for planting in all parts of the country. The sowing date in the south is ahead of schedule and the yield is higher. The north is appropriately delayed. Taking the Yellow River Basin as an example, the cultivation points are as follows: First, sowing 1. Sowing time: the best sowing time is in late February, because the temperature is still low, the use of double arch shed, the temperature inside the shed to maintain 20 ~ 25 °C during the day, the night temperature above 17 °C. 2. Seeding: Choose fine weather, suitable humidity for seedbed, hold soil into ball, no water, single seeds on demand, cover 0.5 cm of sieved fine soil after sowing, use small bamboo or bamboo to build small arch shed, then cover double membrane , Keep the temperature below 20 °C. Second, nursery 1. Timely release: When the seedlings grow to two true leaves, they should choose to leave the air at noon before and after noon. The air outlet was selected in the direction of the back, and the air outlet was increased as the seedlings became larger and the weather became warmer. The temperature inside the shed is maintained at 20~25°C during the day and 17°C or more at night. Grasshoppers were uncovered according to the temperature conditions. When four true leaves were used, they could not be blocked at night. 2. Moisture management: Generally no watering at the seedling stage, if the surface bed is dry, use a watering can to spray water properly. After the seedlings grow to four true leaves, they can be watered on sunny days at noon. Third, the colonization 1. Planting time, density: planting acres applied NPK content of 51% (17:17:17) 50 kg compound fertilizer, organic fertilizer 2 square, ploughing and leveling. Warm light weather is planted at the end of April to early May. It can be cultivated according to row spacing of 75 cm, spacing of 30 cm, etc. (it can also be ridged, ridged and planted with 2 rows, row spacing of 55 cm, plant spacing of 40 cm), and 3,000 mu density. 2. Method of colonization: Seedlings are required to transplant with soil in order to increase the survival rate. Cover the mulch firstly. The seedlings shall be placed on the membrane after perforation and perforation. The depth should not be buried in the leaf segments. The soil surrounding the seedlings and the membrane holes were sealed with soil, and the seedlings were watered appropriately. The field can be planted with a single row of Corn and other high stalk crops, which will help regulate the microclimate and reduce the impact of sunburn on peppers. IV. Field Management 1. Water Management: Before the flowering, the field should be dry and waterless. When drought occurs, the amount of water should be small. After entering the flowering stage, the soil should be kept moist to ensure sufficient water supply. After entering the fruit ripening period in late September, it is necessary to control the moisture and promote fruit coloring and maturation. Meet the heavy rain in time to prevent flooding, so that there is no water in the field after the rain. 2. Fertilizer supply: After fruit set, topdressing once every 20 days to strengthen calcium fertilizer and phosphate fertilizer. The fruit setting period is the period in which the pepper needs the most fertilizer. In the end of June and early July, 5 kg of urea, 10 kg of diammonium, and 10 kg of potassium sulfate were applied to the ditch. After entering mid-August, it is strictly prohibited to apply pure nitrogen such as urea to prevent late-maturing chillies. 3. Prevent the lodging in the rainy season: Although the plant roots are well developed in the above hybrids, due to the large size of the plant and the large number of results, during the rainy season and the lack of soil cultivation in the roots, or in the absence of soil, the peppers are most prone to lodging during the fruiting period. Yield. Therefore, earthing should be increased and drainage after rain. It is best to use a thin string of plastic. The anterograde depends on the straightening of the plant. The wooden string and wooden stick are used to fix the plastic string at a certain distance and can be prevented from falling down.
Oranges are an important Nutritional source for human health and have immense economic value. Citrus Orange orange-yellow colour, gratifying fruit savory, harmonious sourness and sweetness, soft taste, flavor is rich and generous.Citrus is believed to be native to southeast Asia, and cultivation of fruit crops occurred in China at least 4,000 years ago.Citrus is a large genus that includes several major cultivated species, including Citrus sinensis (blood orange), Citrus reticulata (tangerine and mandarin), Citrus limon (lemon), Citrus grandis (pummelo) and Citrus paradisi (grapefruit).citrus fruits and juice are the prime human source of vitamin C, an important component of human nutrition.citrus-unique characteristics have hindered the study of citrus genetics and breeding improvement. Complete genome sequences would provide valuable genetic resources for improving citrus crops.
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