We grow sweet corn through seedlings

We grow sweet corn through seedlings

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Growing sugar corn through seedlings allows you to get a cob crop in milk maturity 3-4 weeks earlier - June 20-25.

The most suitable for these purposes are the early F1 hybrids of the breeding of the Transnistrian Scientific Research Institute of Agriculture - Zolotoy Runo and Viola, with a period from germination to dairy maturity of 68-72 days, practically having no stepsons. You can also use hybrids of foreign selection - Legend, Spirit, Candle, Sheba, Trophy, etc.

Sowing seedlings and soil

Sowing seedlings is carried out in cassettes with a cell volume of at least 45 cm³, the number of cells is not more than 600 pcs / m². For cassette stuffing, a mixture of well-structured turf land with well-rotted humus in a ratio of 1: 1 is used. In heavy loamy soils, it is necessary to add 5-10% sand. If there is peat or coconut, then you can use it in pure form, mixed with each other or together with the earth and humus as baking powder, however, remember that this increases the frequency of watering and top dressing 2-5 times.

Features of growing seedlings of sweet corn

To increase the moisture capacity of the substrate and reduce the risks of watering in the soil mixture, you can add an aquaboros (hydrogel), it must be remembered that the drug absorbs up to 500 volumes of water (to prevent the plants from bulging out of the cassettes), but the frequency of irrigation is reduced by 3-5 times, since swollen crystals give moisture to the plant for a long time. Cassettes must be placed on supports so that they do not touch the ground, otherwise the root system will penetrate the soil, through the drainage holes and when seedlings are sampled, the roots will be cut off, which will lead to poor survival, growth retardation and fruiting onset. This also applies to cases of covering the soil with plastic wrap.

Sowing is carried out in film greenhouses without heating in the first decade of April (depending on the conditions of the year), one grain per cell depth. After seeding, the cassettes are poured with warm water with the addition of 4 grams per 10 liters of water (teaspoon) of foundationazole (benomyl, tread) to disinfect the substrate and destroy the spores of pathogens. You can also use KMnO4 (potassium permanganate), watering after sowing a weakly pink solution.

Foreign hybrids arrive already treated with protectants.

To accelerate germination or delay in sowing, it is better to use swollen or hatching seeds - seedlings will be 5 or 7 days earlier, since sweetcorn seeds need at least 400 volumes of water from the volume of seeds for germination. Seeds should be soaked in warm water at a temperature of 22 - 25 ° C for no more than 12 hours, germination should be carried out in moistened burlap or other tissue, providing the seeds with moisture and oxygen. With a prolonged cold spring at night, it is necessary to slightly warm up or install wire arcs above the cassettes and put a second film shelter.

Fertilizers and seedling care

When caring for seedlings, it is necessary to regularly water it, on sunny days at least 3-4 times (depending on the use of aquasorb), feed it with water-soluble fertilizers (teraflex, master, kemira hydro, etc.) 3-4 times, depending on the condition of the plants and substrate. Landing in open ground is carried out in the absence of a threat of frost - usually in the first decade of May. Planting scheme depends on subsequent agricultural technology. When growing using drip irrigation, planting with tapes is possible, but with a distance between rows of 45 cm and between tapes 120-140 cm, with the location of the drip irrigation tape in the middle of the corn tape. At the same time, irrigation tape and water are greatly saved. Planting plants in adjacent rows is preferably staggered to improve lighting and photosynthesis. Planting depth 8-10 cm, depending on the length of the seedlings.

Before planting, the cassettes are lightly watered, when seedlings are sampled, avoid scattering of lumps of substrate, otherwise it will be sick for a long time and weakly take root, which leads to a decrease in yield and a delay in harvesting. In wide aisles, gourds (watermelons, melons) are usually planted. Landing of sweet corn serves as a backstage for melons, which increases their early maturity, productivity and reduces the negative impact of environmental factors and disease susceptibility.

Watering seedlings

When irrigated by sprinkling, along furrows and a sufficient amount of drip irrigation tape, the planting pattern is 70 x 25-30 cm with the formation of a density of 47-56 thousand plants per hectare, depending on the early maturity of the hybrids.

Feeding seedlings

Further care consists in the timely removal of weeds, loosening and hilling of plants. Feeding is best done with water-soluble fertilizers containing at least 30% nitrogen with irrigation water or soil application. Two top dressings are needed: one week after disembarkation and the second after 10 or 14 days.

If there is a cold period after planting, it is necessary to fertilize with phosphorus in an easily accessible form in order to avoid growth retardation. You can do this with foliar top dressing.

Watering, depending on the conditions of the year, must be carried out every 7 or 10 days.

When stepchildren appear, in no case should they be broken off, as this will lead to the defeat of the cobs with a bubbly smut.

Why corn is better to grow yourself

To this end, to avoid mechanical damage to the stems and roots when carrying out mechanized or manual work to care for plants (stepchildren, with good agricultural technology, by increasing the photosynthetic apparatus increase the yield and size of ears).

Getting a second crop

If you want to get a second crop in the same area after harvesting, all plants are cut and the seeds of these hybrids are sown between rows in the same way. It is advisable to sow swollen seeds with subsequent watering.

In compliance with agricultural technology, harvesting will be in the third decade of September, which is economically very profitable, since during this period there is no sugar corn in milk maturity, and it can also be frozen with significant energy savings.


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