Planting garlic and fertilizing is the key! What kind of fertilizer should I use?
Many farmers want to plant or plant more garlic to increase their income. But when growing garlic, we must pay attention to the problem of fertilization, so what kind of fertilizer is good for growing garlic?
What kind of fertilizer is used for the base fertilizer of garlic?
The main results are as follows: 1. The base fertilizer of garlic should be organic fertilizer.
Common organic fertilizers include ring manure, chicken manure, duck manure, barnyard manure, compost, cake fertilizer and so on. Whether the amount of base fertilizer is sufficient or not is directly related to the commodity of garlic and the overwintering performance of the plant, so sufficient base fertilizer should be applied in production.
2. Determination of the amount of base fertilizer applied to garlic.
The application amount of base fertilizer should be determined according to many factors, such as the target yield of garlic and the fertilizer requirement of yield per unit area. Conditional application of cottonseed cake and other cake fertilizer 50-100 kg. The chemical fertilizers used with organic fertilizer as base fertilizer usually include calcium superphosphate, nitrogen-phosphorus compound fertilizer, nitrogen-potassium compound fertilizer or ternary compound fertilizer and so on. About 75 kg of standard nitrogen fertilizer is applied for every 667 square meters. Nitrogen fertilizer should be applied with 2 base fertilizer and 1 top fertilizer. Most of the phosphorus and potassium fertilizers are used as base fertilizers. Phosphate fertilizer uses about 30 kilograms of calcium superphosphate. When phosphate fertilizer is used as base fertilizer, both calcium superphosphate and calcium magnesium phosphate fertilizer should be mixed with organic fertilizer, and shallow ploughing should be turned into plough layer. The amount of potash fertilizer applied is generally about 30 kilograms of potassium sulfate per 667 square meters.
3. How to apply garlic base fertilizer?
The application of base fertilizer is generally half of the organic fertilizer in front of the cultivated land, evenly spread on the soil surface, combined with cultivated land, turn the fertilizer into the ground; the other half in the sowing, focus on ditch application, and make fertilizer and soil mixed, and then sow. If ammonium bicarbonate or organic fertilizer is used as base fertilizer, it should be buried in trenches or poured with water, and the fertilizer should be evenly mixed with soil preparation after application. The application of phosphate fertilizer should be shallow, concentrated or layered. One part can be applied in front of the cultivated land, the other part can be applied when planting garlic after ploughing, or shallowly applied to the ground 6-10 cm after soil preparation, so as to facilitate the absorption and utilization of seedlings, cultivate strong seedlings and improve the utilization rate of phosphate fertilizer in the current season. Potash fertilizer can be applied along with the cultivated land and turned into the ground when cultivated land is cultivated.
What kind of fertilizer is used for topdressing garlic?
From the seedling stage to the pre-harvest stage of garlic, according to its growth and development and the characteristics of fertilizer requirement and absorption, fertilization was carried out by stages, that is, topdressing.
1. The topdressing of garlic is generally based on nitrogen fertilizer, and nitrogen, phosphorus, potassium fertilizer and various elements should be applied together when needed, which is beneficial to the normal growth and development of garlic, promote the absorption and utilization of nutrients and improve the quality of garlic. Nitrogen fertilizer has a significant yield-increasing effect on garlic.
When topdressing garlic with nitrogen fertilizer, attention should be paid to the possible adverse effects. According to the experiment, the effect of topdressing nitrogen fertilizer is closely related to the size of garlic cloves. The smaller the garlic cloves, the greater the yield increase with nitrogen application. Therefore, when using small cloves of garlic to grow garlic, the amount of nitrogen fertilizer should be increased appropriately.
2. Topdressing phosphate fertilizer and potassium fertilizer to garlic can improve the balanced absorption and utilization of nitrogen fertilizer, promote the growth and development of garlic, and increase the yield of garlic bolting and garlic head. In the later stage of garlic, we should apply not only nitrogen fertilizer, but also phosphorus and potassium fertilizer, nitrogen, phosphorus and potassium fertilizer according to 2:1:1, or compound fertilizer. This is beneficial to prevent the premature senescence of garlic leaves in the later stage, promote the transport of nutrients from leaves to the bulb, and significantly increase the yield of garlic bolting and garlic head.
3. The period of topdressing can be divided into topdressing before overwintering, returning to green stage, topdressing in the extension of garlic bolts and topdressing in the growing period of garlic.
(1) topdressing of garlic before overwintering: the main purpose of topdressing before overwintering is to promote the normal germination and emergence of garlic and cultivate strong seedlings. Before winter, the appearance of strong seedlings is: there are 5 leaves, plant height is about 25 cm, fresh weight per plant is about 10g, root system is uniform, there are about 30. The seedlings of autumn sowing garlic can be produced 7-9 days after sowing. In order to improve the safe overwintering performance of garlic, topdressing and promoting seedling fertilizer is applied. Promoting seedling fertilizer generally accounts for about 25% of the total topdressing amount. For varieties prone to outer cross growth, little or no fertilizer should be applied to promote seedling growth.
Garlic into the overwintering period, can be applied overwintering fertilizer that is wax fertilizer. Wax fertilizer is often applied with compost, soil manure or horse manure to thicken the overwintering protective layer of roots, improve the overwintering performance of seedlings and ensure safe overwintering. At the same time, it is also conducive to the next year early return to green, rapid growth.
(2) topdressing of garlic during the green period: when the daily average temperature in spring reaches 7 degrees Celsius, the garlic seedlings begin to turn green, then the mulch should be removed in time, sun-cured seedlings for 2-3 days, and before and after the Spring Equinox grows, return to green fertilizer once. Generally, 1000-1500 kg of organic fertilizer or 10-15 kg of standard nitrogen fertilizer is applied every 667m2. For those who have applied seedling promoting fertilizer and overwintering fertilizer, the returning green fertilizer may not be applied during the returning period, or the returning green fertilizer may be postponed to be combined with bolting fertilizer.
(3) topdressing in the elongation period of garlic bolting: the topdressing in the elongation period of garlic bolting refers to the topdressing from the differentiation of garlic cloves to before bolting. This period is the period of the growth of garlic bolts and garlic cloves. In Shandong Province, it is generally at the end of March and the beginning of April, that is, before the Qingming Festival, garlic enters the differentiation period of garlic bolts and cloves, and May 20, that is, around Lesser Fullness of Grain, enters the bolting stage.
Because the elongation of garlic stalk overlaps with the early growth stage of garlic, it is in a period of exuberant growth. At this time, all the leaves have grown, the growth of the aboveground part of the plant has reached the maximum, the yield of garlic in the underground part has formed nearly 50%, the root system has actively expanded horizontally, and the growth and absorption have gradually reached the peak. so topdressing should account for about 40% of the total topdressing. It is necessary to increase the application of compound fertilizer and potash fertilizer to promote bolting and expansion of garlic.
(4) topdressing of garlic during the growing period: before garlic stalk harvest, the growth of garlic is mainly to increase the volume, and after garlic stem harvest, the growth of garlic is mainly weight gain, the average daily weight gain is about 1g, and the daily increase diameter is about 0.06cm. In the growing period of garlic, available nitrogen fertilizer should be the main fertilizer, combined with phosphorus and potassium fertilizer. The amount of topdressing should account for 25% of the total topdressing. 30%.
4. The topdressing method of garlic: generally, strip application, water application or burying application is adopted. When applying soil and miscellaneous fertilizer, it can be trenched and scattered into strips; when applying chemical fertilizer, it is generally used to spread ditch or hole application, cover soil after application, water, or sprinkle with water, or take advantage of rain. Attention should be paid to strengthening weeding in ploughing and keeping soil loose and soil moisture so as to speed up the absorption and utilization of nutrients by roots.
Generally speaking, garlic likes fertilizer, growing garlic should apply more fertilizer appropriately, but be sure to pay attention to the nutritional collocation of base fertilizer and topdressing fertilizer.
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