Taro planting technology! How to fertilize the high yield of steamed bread

The genus Oysters is a genus of genus, which is native to China and India. It is warm and humid, and it is suitable for planting in loose and fertile sandy loam. It requires high temperature and humidity. The growth period should have a temperature of 20 degrees or more. It develops well at 27-30 degrees, is more resistant to yin, and short daylight can promote the formation of bulbs. Today, I will introduce to you how to grow hoes and the cultivation techniques of hoes. The fertilization time of taro can be divided into seedling stage, tuber expansion period and tuber maturity stage. How is the hoe made of fertilization? Here is a brief introduction to the fertilization technique of hoe.

Fertilization of taro

Taro's fertilization time:

1. Seedling stage: The growth period of Taro seedlings includes germination, hair roots, leaf spreading and initial growth of tubers. The condition of hairy leaves has a significant impact on plant growth and yield, so spraying foliar fertilizer at the seedling stage can break the seeds. During the dormant period, it can be germinated and grown as soon as possible. The specific application method can dip the diluted fertilizer solution, and then can be planted, which can also improve the resistance of the seedlings to various diseases in the soil.

2, the heading period and the tuber expansion period: the formation of new tubers, continue to use the nutrition of the seedlings, so that the roots, stems and leaves of the seedlings grow, 90 to 120 days before and after, after the head change, the new tuber quickly expands and continues Up to 45 days, more than 80% of production is formed during this period.

Around the end of August, tuber growth slowed and chlorophyll content decreased. Due to the strong growth of plants during tuber enlargement, photosynthesis is strong, and sufficient fertilizer is needed. It is best to apply fertilizer once before the change of head in June, and prevent drought and rain. In these two stages, attention can be paid to foliar fertilization. Spray once every 10-15 days.

3. Tuber maturity and dormancy: from September to October is the maturity stage of the taro. During this period, the foliar fertilizer can be stopped. For the dormant period, the tuber has been placed at a low temperature of 5 ° C to 10 ° C. For more than 4 months, the temperature increases and sleep ends.

Shantou fertilization technology:

1. Base fertilizer: The root of the taro is fleshy fibrous roots. It has weak penetrating power to the soil. It prefers loose and deep soil. Generally, the cultivated layer is deep, well structured, fertile soil, nutrient-rich, well-ventilated, dry-watering, and capable. The land in the row is suitable for neutral and slightly acidic soil.

Before planting, the soil should be deepened, so that the soil is soft and full of calories, and the base is applied with the base fertilizer. Generally, every 667m2 ditch or hole is applied with manure or compost 1000-1500kg, superphosphate 20kg, potassium sulfate 20kg or grass ash 100kg.

Generally, the groove depth is 10 cm and the groove width is 35 cm. When the soil temperature of 5 cm is stable above 15 °C, seeding starts, the plant spacing is 25-30 cm, the row spacing is 45-55 cm, and about 2,000 plants per 667 m2 are planted. The soil is fertile, the fertilizer and water are sufficient, the line spacing can be appropriately increased, the density can be smaller, and vice versa, but the number of 667m2 plants should not exceed 4,500 at most. Apply fertilizer and fertilizer before planting. The furrow fertilizer can be applied after sowing, and the cover soil is 8-15 cm thick.

How do you fertilize?

2, topdressing: Shantou hi multi-fertilizer, long growing period, should be topdressed multiple times, mainly quick-acting fertilizer, generally topdressing 4-5 times. The amount and frequency of top dressing should be based on the field nutrition diagnosis. The base with sufficient fertilizer and good fertility can be combined with the appropriate amount of weeding, soil and watering. The key point is to promote the seedling fertilizer, the split fertilizer, the child fat, the sun fat and the strong fertilizer.

Before the end of June, the taro grows slowly. In the 4-14 leaf stage (the prolonged period), when the deficiency is found, the foliar spray is applied 2-3 times, and the water is 400-800 times, so that the leaves are wet on both sides. The dripping water shall prevail, and it needs to be replenished in the rain after 8 hours of spraying to quickly replenish nutrients and prolong functional leaf growth.

The temperature in the early stage of growth is not high, the amount of growth is small, the soil moisture should not be too large, and the dry and wet alternate. In the middle and late period, when the growth is strong and the bulbs are formed, sufficient water supply is needed to keep the soil moist. Avoid high temperature irrigation at noon. After the beginning of autumn, the irrigation began to decrease, and the soil was moist.

3, the first chasing the seedling fertilizer (lifting seedling fertilizer): after the emergence of the seedlings to the 4th leaf stage combined with cultivating and weeding for the first fertilization. The seedling stage has weak fertility and is not drought-tolerant. It is applied several times to rotted manure and urine per 667m2, 20% of drought and flood, and 40% of human waste water of 40%. Or 4kg of compound fertilizer, 5-10kg of urea, 200 times of water drenching or ditching to the root to promote leaf growth.

4, the second chasing points of manure (fertilizer): in late April, most of the seedlings began to be fertilized, digging shallow trenches around the plant, 50-75kg of peanut bran per 667m2, decomposed pig cow dung 500- 700kg, cover the soil immediately after fertilization. At the end of the seedling period, the cultivator and the planting ditch become flat.

Shantou fertilization technology

5, the third chasing manure: in late May, when the new bulb begins to expand, combined with cultivating for fertilization, 50-75kg of peanut bran per 667m2, 500-700kg of 30% decomposed human and animal waste, or 3-4kg of compound fertilizer and urea Water 200 times drenched or ditched to the roots. The method is: apply a little far away from the planting hole, and immediately carry out the small soil after fertilization, and the thickness of the soil is 5-7 cm.

The purpose of soil cultivation is to inhibit the germination and growth of the buds and buds of the buds, reduce the nutrient consumption, and make the hoes fully expand and a large number of adventitious roots occur, increasing the drought resistance. At the same time, the steamed bread grows upwards with the increase of the leaves. If it is not cultivated, it will be exposed to the ground. It will be affected by the sun and rain, which will affect its growth and reduce the yield and quality. According to the distribution density and season of leaf area and individual leaf area, the excess side buds should be removed as early as possible to avoid the consumption of nutrients and the growth of the buds to promote the accumulation of starch.

6, the fourth chasing fat: in late June. The small nickname that happened on the son-in-law called Sun Hao, when Sun Hao occurred one after another, he should carry out a top dressing in time. This time, the fertilization is called “Sun Fei Fei”.

Generally, 30% per 667m2 of drought and flood, 50% to 750kg of manure and manure, or 50-75kg of peanut bran per 667m2, 7-10kg of NPK fertilizer, and between the two hoes After the application, the soil is cultivated, and the thickness of the soil is 5-7 cm. The gully is cultivated on the side of the stalk, and the soil around the plant is kept even to ensure that the scorpion is straight, and at the same time, the adjacent buds are buried in the soil.

7. The fifth time to catch up with the manure: In the middle of July, some of the upper part of the temporal lobe begins to have yellowing performance. The fertilizer should be controlled to prevent the new leaves from growing, affecting bulb ripening and starch accumulation. Generally, peanut gluten is 50-75kg per 667m2, compound fertilizer is 7-10kg, and deep application is carried out between the two hoes. After fertilization, the large cultivating soil is used, and the soil is 7-10cm higher than the glutinous surface.

In order to inhibit the growth of the leaves, when the female pupa is exposed to the soil, it is necessary to re-cultivate the soil once, and a mound is formed around the sorghum. Before and after the frost, the roots are yellow and the bulbs are fully ripened. The above is the introduction of the fertilization technology of Shantou. The friends who planted the steamed bread can refer to the above technology and combine the actual planting situation to reasonably fertilize the steamed bread.

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