Crocus, also known as saffron and saffron, is a perennial flower of the genus Saffron, and is also a common spice. With its style as a medicine, it can be used for stasis, new blood, and blood circulation. It is famous for treating bruises. I will tell you about the method of planting saffron today.
Saffron planting
The soil should be ploughed and ploughed, and the base fertilizer should be applied. The bulb must be a large and full-bodied ball with no mildew spots. The planting distance is 10 cm × 15 cm, and the planting depth is about 5 cm. In the autumn, the bulbs are planted, the soil is covered with 5-8 cm, and the weeding is timely. Pay attention to the drainage after the rain, water the soil when the autumn drought, keep the soil moist to facilitate rooting. Flowering in October, followed by topdressing after flowering, is conducive to bulb development. After planting, the plants can be dug up when the bulbs are crowded for several years. The bulbs are stored in a drying chamber at 17 ° C to 23 ° C.
Maintenance management of saffron
Fertilization
Before planting, the organic fertilizer should be applied, such as cake fertilizer, manure, fire-burning soil, grass ash, chicken and duck manure, etc., and some calcium superphosphate should be applied; after rooting, it can be applied every 10 days. A thin liquid fertilizer with a balanced nitrogen and phosphorus content, such as a squeezing cake, is added with an appropriate amount of potassium dihydrogen phosphate until the flower buds are removed and the flowers are colored. Avoid excessive nitrogen fertilizer, too thick, otherwise it will cause the leaves to grow long and affect the growth of flower buds; Qi Miao and the end of the flowering period, apply 1500 kg of manure per mu or a proper amount of fertilizer to promote the early emergence of seedlings. In spring, the seedling growth determines the amount of topdressing. After flowering in October, it is necessary to apply 1 to 2 times of nitrogen, phosphorus and potassium balanced quick-acting fertilizers to facilitate the growth and development of the bulbs, so that the bulbs can bloom more flowers in the coming year and open enough flowers to store enough nutrients. In the middle and late December, a layer of horse manure was sprinkled between the plants, and a small amount of soil was pressed to increase the fertility and heat preservation.
irrigation
The red peanuts have long been worthy of rain and winter and spring, and special attention should be paid to irrigation. Seedlings are planted about 20 days after planting, and water is poured before emergence to facilitate emergence. Fill the antifreeze water before winter to increase the ground temperature. Water is poured in mid-April to reduce the danger of dry hot air.
management
In order to ensure that the plants can bloom more and more vigorously, when there are too many buds on the upper side of the plant, some small buds can be removed to ensure that the main buds can bloom and bloom; in the process of crocus growth and development, it must be timely The drainage of water, especially the autumn rainy season, can not be neglected, otherwise it is easy to form the water in the seedbed, causing the bulb to rot, causing undue economic loss; in case of autumn drought, the seedlings should be watered. It is advisable to keep the soil moist. After the seedlings are inserted into the soil with small bamboo knives, the small lateral buds of the outer ring of the plant are removed, and each plant retains the central 2-4 plexus large leaf plexus to increase the large bulbs in the next year. In the 2-4 months, the bulbs expand rapidly, and the soil should be loosened and weeded in time.
Saffron prevention and control
Sclerotinia sclerosis harms bulbs and seedlings. Storage of bulbs must remove injured or diseased bulbs to prevent bulb spoilage and infection and spread of germs. It can be sprayed with 50% thiophanate WP 500 times.
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