Potatoes generally prefer warm and well-lighted conditions of growth, with their entire growth cycle dependent on abundant sunlight, so that farmers should choose sandy soil with good drainage and give priority to the application of adequate phosphorus fatten to meet the nutritional needs of the growth of potatoes. How do you expect the potatoes to grow
I. Fostering healthy seedlings
The quality of seedlings has a direct impact on yields. Robust seedlings can take root faster, produce potatoes, and have greater resilience and growth. The cultivation of healthy seedlings is therefore one of the key technologies for achieving a high yield of sweet potatoes. (b) select a backwinding, irrigation-friendly, management-friendly place as a seedbed. In the management of seedbeds, work is carried out on crop cutting, false planting and fertilization, with the aim of producing healthy seedlings with thick, short, disease-free, clean tops and thick leaves。
1. Casting
Select the medium size (200-300 g per cassava), homogeneity, insect-free, wound-free, non-cooled chips as a seed. The width of the nursery bed is 1-1. 2 metres, the length of which is adjusted according to need, usually providing 0. 9-15,000 seedlings per 50 kg of potato, sufficient to grow 3-4 acres, with an average of 10-25 kg per acre of field cultivation, controlled by a planting period of about 100 days before implantation。
2. Cultivation
When the seedlings grow up to 25-30 cm, they are artificially planted, and when the node reaches 6-10 nodes, the heart breaks are capped to promote branching。
3. Fertilization for growth
During the planned five to eight days of seedling (pre-plantation), appropriate quantities of fast-acting nitrogen fertilizer are applied to breed young seedlings, and seedlings are grown in a timely manner as the seedlings grow to 25-30 cm。
Ii. Landing, holding and holding
1. Landing
Potato cultivation should choose either sandy or bordery soil, which is above average fertility and is easily drained and irrigated. High-yielding potatoes require suitable soil, characterized by soil laxity, deepness of the soil, sufficient nutrients and high air aerobics。
Scientific fertilization
(1) arable land with moderate soil fertility above 25-30 kg of urea, 30-50 kg of phosphorus and 30-40 kg of potassium sulphate
(2) arable land of general soil fertility: 30-45 kg of urea in acre, 35-55 kg of pphosphorus and 40-50 kg of potassium sulphate. Potato cultivation is best based on the use of farm fat, following the principle of “farmer fat, supported by fertilizer, supported by bottom fat, supported by fat”。
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The start-up cultivation facilitates drainage and organic matter decomposition during the rainy season, increases the temperature of the ground and increases the temperature differential between day and night, and contributes to the growth and accumulation of nutrients in the cassava and root systems. A combination of deep tillage, improved soil management and high productivity. When it rises, the gutter should be narrow and unhard. The range of radium is in general 1. 1-1. 3 metres, radium is 0. 3-0. 4 metres high, and east-west direction is used to increase light and light utilization of potatoes。
Iii. Cultivation
1. Selecting to plant on top seedlings
They are thick, big, big, strong, strong, they have top advantages, they have well-developed nutrients, they have strong resilience, they grow fast, they take root early, they swell and they produce high yields. Test proof: a 10 per cent increase in production is generally achieved by planting a top-end seedling compared to a hotbed cutter or by using other seedlings。
2. Field implants
Potato cultivation methods include direct interpolation, tilting, horizontal interpolation, hook-plugging and improved level-plugging, depending on the location of the land, groundwater and rainfall during the planting season. The method of planting has a direct impact on the growth and growth of seedlings, the formation and expansion of chips, so that the depth of planting is controlled, so that all sections of the soil seedlings are grown in soil laxity, aerobics and high temperatures of day and night. The top saplings, 20-25 cm in length, typically contain 7-8 leaves, leaving around 3-4 leaves on the ground when planted, and the remaining 4-5 leaves fit into the soil. In order to prevent the drying up of the leaves of the post-planted leaves, the planting is accompanied by the pouring of sufficient seed water。
3. Reasonable secrecy
For 3,000-4,000 units per acre and for 4,000-5,000 potatoes per acre in winter, it is reasonable, taking into account the characteristics of different varieties, soil fertility and seasonal flexibility. Ko-sik. Cultivation allows for thickening of the soil, increasing the light area of the soil, high temperature differentials during the day and night, expanding the range of root systems, facilitating the absorption of roots, the accumulation and operation of assimilated substances, and the rapid expansion of roots to increase yields. In general, it is 30-40 cm tall, with two rows per plant, 5,000 casseroles in the summer and autumn acres, with a tilt or flattling, with three to five cms of potato seeding, and three knots, which are compact to increase the rate of seedling。
Iv. Field management
1. Management of the sprout-to-sprout season
This period is the stage of the recovery of the sweet potatoes, which require little water and consume less nutrients, so the focus is on the detection of seedlings to fill the gaps. In general, seedlings are replanted within five days of the implantation and the soil is humid in order to improve the survival of the seedlings. Some 15 days after the implantation, the plant is replanted in a timely manner (about 20 per cent of the total nitrogen and potassium fertilizer) on a long-term basis, with appropriate additional application to the seedlings。
2. Long-term management of crotch periods to leafy leaves
This period is the stage of sapling, root growth and cassava, with a focus on control of chicken branches. The amount of water required was low 40-45 days after the implantation, so that the soil would be wet. The largest amount of water is required after the leaf is sealed and the soil should be maintained at 70-80 per cent of the maximum water holding; therefore, “run horse water” should be filled, as appropriate。
3. Management of sprucing leaves to soaring chips
This period has been an important period for the accumulation of large and fully nutritious chips, with the emphasis on maintaining the balance between the upper and lower levels of the potato field through moisture management over the long term in order to prevent excessive growth due to excessive moisture. Therefore, attention must be paid to the routing of ditches so as to allow for flooding, dry run-off and pest control。
4. Management of chips during periods of expansion to pre-harvest
This period is mainly an important period for the accumulation of root starch. Potato chips are abundant over the long term, from the height of the leaf to its maturity, and the leaf grows slowly, fades, and then stops. The growth center has been transformed into a very large potato block. The leaves are yellow-haired and the fields are decayed, and chicken fat is applied in a timely manner. A general 15-20 load of faeces is applied by means of cracks on the roof. Or application of 200 grams of potassium phosphate plus 500 grams of urea to 40 kg of water twice. It's also to clear the gutter and prevent the rotten potatoes. Or, around 90 days after planting, if the upper part of the ground is less growing, a small amount of nitrogen fertilizer (approximately 2 kg of urea) per acre is sprayed or sprayed to prevent early decay, and when appropriate, horse water is pumped with drought attention. The 20-30 days prior to the harvest is generally not watered to facilitate the harvest storage of potatoes。
V. Enough access
The critical temperature for the growth of the cassava chips is 15°c, 9°c, causing a freeze, and it is desirable to start harvesting at 15°c to 12°c。
This is an introduction to the high-yielding cultivation of potatoes, which, as long as it takes good care of these points, will produce little less, and if there are any other questions, leave a message。
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