Proper feeding of eggplants in a greenhouse allows you to get a large number of fruits, since this vegetable is capricious and requires frequent introduction of mineral or organic compounds. Depending on the type of soil, nutrient mixtures are needed for plantings from 1 to 2 times a month. The composition of dressings is selected according to the growth phase of the eggplant.
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Soil preparation
If growing a crop in a greenhouse does not imply the possibility of applying fertilizers as the plants grow, the soil will have to be well enriched with useful compounds. Eggplant thrives on light, nutritious soils.
Most often, before planting seedlings, mineral mixtures are introduced into the soil. They allow the root system of sprouts to quickly grow stronger, grow greenery and increase resistance to pathogens.
For 1 sq. m of plantings use 25-30 g of superphosphate and 15 g of any potassium salt. The last component can be replaced with a mixture of ammonium and wood ash. Mineral substances are embedded in the soil and the beds are left for 1-2 weeks. During planting seedlings in the greenhouse, add 2-3 tbsp to each hole. l. rotted manure of cattle.
The culture develops well only in light nutrient soil with a neutral acidity index. In heavy clay soils and loam, eggplants can lag behind and bear poor fruit. Top dressing from a mixture of humus, peat, fine river sand and old sawdust can correct the situation.
Sandy soil also needs to be brought to an optimal state. To do this, it is mixed with a small amount of loam, compost and turf.
Organics and mineral preparations
The use of organic compounds for eggplant is possible only in the form of solutions or dry mixtures of low concentration. Chicken droppings, cattle manure and compost are diluted with rain or settled water, and only then water the plantings in the greenhouse. Top dressing from infusion of fermented hay is distinguished by good performance. To prepare it, weeds are placed in a container with a volume of 100 liters and 2/3 and filled with cold water, leave to ferment for 2 weeks, then filter, reduce the concentration and immediately use for feeding.
Most often, nitrogen fertilizers are necessary for plants during a period of intensive growth. Over time, the need for nitrogen decreases significantly. During the growing season, eggplants need potassium and phosphorus.
Optimal doses of minerals contain ready-made preparations. Superphosphate is used during blooming of inflorescences. It promotes active formation of ovaries. The lack of the mineral may be indicated by falling foliage and wilting of inflorescences. If you do not feed the eggplants growing in the greenhouse with phosphorus preparations, they run the risk of developing chlorosis.
Potassium is responsible for root development and plant immunity. To compensate for the deficiency of this substance in greenhouses, potassium nitrate or wood ash is used. Liquid dressings are prepared from them or scattered in small quantities directly under the bushes.
Do you know what you need to feed eggplants?
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Read about feeding eggplants in the following article:How to feed eggplants in the open field