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A sweet potato technology, applied in the fields of horticulture, application, and botanical equipment and methods, can solve the problems of uneven size of sweet potatoes, affecting the growth rate of sweet potatoes, and reducing yield.
Inactive Publication Date: 2016-05-18
李威
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Problems solved by technology
[0005] The existing sweet potato planting technology still has problems in grasping the planting density and time of sweet potatoes, which affects the growth rate of sweet potatoes, resulting in uneven size of sweet potatoes and reduced yield
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[0016] The high-yield cultivation technology of sweet potato is characterized in that it comprises the following steps.
[0017] 1. Deep plowing and ridges Sweet potatoes are underground root crops, and their growth and development require deep plowing and ridges. Ridging can thicken the loose soil layer, increase the area receiving sunlight, increase ground temperature, increase temperature difference, and enhance soil aeration; it is conducive to the growth of sweet potato tubers and nutrient accumulation, and is conducive to tuber expansion, early tuber formation, and more tubers. Generally, ridges increase yield by more than 10% compared with flat planting. During the harvest period; when ridges are raised, the soil should not be too wet or too dry to keep the ridge soil loose. It is required that the ridge shape is tall and fat, and the ridges are deep and narrow, which is conducive to drought prevention and drainage. , but also conducive to tuber expansion.
[0018] 2. ...
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Abstract
The invention discloses a sweet potato high-yield cultivation technology. The invention relates to the technical field of agricultural cultivation, and especially relates to a sweet potato cultivation method. With the technology provided by the invention, sweet potato yield can be improved. The sweet potato high-yield cultivation technology is characterized in comprising the following steps: 1, deep plowing and ridging are carried out, wherein sweet potato is an underground tuberous root crop, the growth and development of which needs deep plowing and ridging; 2, scientific fertilization is carried, wherein sweet potato yield is high, root system is developed, and fertilizer absorption capacity is high; in average, the production of every 500kg of fresh sweet potato needs 1.86kg of pure nitrogen, 0.86kg of phosphorus pentoxide and 3.74kg of potassium oxide to be absorbed from soil; 3, seedling inspection and replanting are carried out in time after sweet potato planting, such that complete and vigorous seedlings are ensured; seedling inspection and replanting should be carried out 5-6 days after planting; and 4, crop rotation and alternation are carried out, while a resistant variety is selected according to local conditions, crop rotation and alternation can be carried out once 3-5 years with grass family crops such as maize and wheat, such that pest and disease occurrence and damage can be reduced.
Description
technical field [0001] The invention belongs to the technical field of agricultural planting, and in particular relates to a method for planting sweet potatoes. Background technique [0002] Sweet potato, formerly known as sweet potato, belongs to the order Tubular Flowers, an annual herb of Convolvulaceae, the leaves are usually broad ovate, 4-13 cm long, 3-13 cm wide, the corolla is pink, white, lavender or purple, bell-shaped or funnel-shaped Shape, 3-4 cm long, capsule ovate or oblate, with false septum, divided into 4 chambers. Sweet potatoes are rich in protein, starch, pectin, cellulose, amino acids, vitamins and various minerals, and contain 1.5%-5% sugar. It has anti-cancer, heart protection, emphysema prevention, diabetes, weight loss, beauty and other effects, and has the reputation of "longevity food". [0003] The leaf growth of sweet potato is generally oval or round. The corolla has a variety of colors, most of which are pink, white, and purple. Most of th...
Claims
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Application Information
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