High-yield sulfur fertilizer for garlic
Garlic is a sulfur-loving crop. Allicin is mainly a disulfide compound. Most of the proteins in garlic contain sulfur, which plays an important role in improving the quality of garlic. At the same time, the study shows that the nitrogen and sulfur absorbed by the plant can get the most effective effect only when the fertilizer Nhammer S is close to the optimal value. In garlic, the content of Nipple S is about 12cm 1. The utilization rate of sulfur in calcareous soil in the north is 2%-3%, and it is easy to be fixed as calcium sulfate, and the nitrogen utilization rate is 30%-35%. The best value of Nmax S is 4pm 5. Sulfur can not be reused in garlic. It is necessary to supplement sulfur in the middle growth stage in order to maximize the yield-increasing effect of fertilizer. The selection of suitable sulfur fertilizer in production is the key to high yield. According to the experiment, 40% nitrogen and sulfur fertilizer (nitrogen and sulfur fertilizer contains N ≥ 17.5%, S ≥ 22.5%. Its fertilizer effect is long and quick effect is complementary, and it contains fulvic acid which plays an important role in promoting garlic root growth, improving disease resistance, fertilizer utilization efficiency and eliminating soil consolidation. It can promote the combination of root cultivation, avoid premature senescence and seedling fall of garlic, increase yield and marketability and improve soil fertility) will be the best choice to meet the demand of garlic. The specific fertilization methods are as follows:
Supplementary application of returning to green fertilizer: after seeing green garlic, 40% nitrogen and sulfur fertilizer can be sprinkled on an acre in rainy and snowy weather.
Heavy application of seedling fertilizer: 40% nitrogen and sulfur fertilizer was applied to 30kg / mu in early April (around Ching Ming Festival) to meet the demand for nitrogen and sulfur for the exuberant growth of garlic.
Skillful application of bulging fertilizer: 15 kilograms of sulfur, high nitrogen and high potassium fertilizer was applied with water in order to accelerate the expansion of garlic.
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Garlic high yield is exquisite
I. Pay attention to sowing time and sowing quantity. The best sowing time is about 3 days after white dew and 5 days before autumn equinox. Garlic seeds are sown at three levels: large, medium and small, with 40,000 plants per mu, row spacing of 20 cm and plant spacing of 8 cm. 2. Pay attention to crop arrangement. It is advisable to plant in mud fields, garlic should not be continuous cropping, otherwise diseases and insect pests will increase. Sesame and soybean are suitable for the previous crop, and garlic is not suitable for the previous crop peanut or hemp field. Third, pay attention to scientific use of fertilizer. First, apply enough farm manure, and then apply appropriate amount of chemical fertilizer. Good soil quality farmland chemical fertilizer can be used less, but phosphorus and potassium fertilizer
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Four hurdles for high yield of garlic
In order to make garlic high quality, high yield and early listing, it is necessary to do a good job in the following four hurdles: sprouting: garlic seeds after harvest are dormant within a certain period of time. Therefore, 10 days before planting, the selected garlic should be planted in a cool place and covered with fine sand or loess. Soak in well water for 12 hours before sowing. In this way, it can not only sprout 2-3 days in advance, but also grow neatly and sturdily. Soil preparation: garlic likes wet sandy soil, and other loess and clay can be planted as long as they are broken.
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