Yeast is a natural organic supplement consisting of naturally occurring bacteria. These special fungi contain organic iron, manganese, copper, nitrogen, and proteins. At the same time, polysaccharides and amino acids have a positive effect on seedling development. Both dry and fresh yeast are used to prepare yeast cocktails for plants.
Positive qualities of yeast
Depending on the environment, microorganisms grow and reproduce within the fungal cells. After adding a yeast solution to the soil, the soil composition is altered. Single-celled organisms, introduced to a warm environment, begin to reproduce. In doing so, they actively process organic matter in the soil, resulting in the formation of phosphorus and nitrogen compounds.
Benefits of yeast for feeding seedlings:
- improves soil composition;
- increases the fertility of tomatoes;
- seedlings can more easily tolerate unfavorable growing conditions;
- the root system develops faster;
- the growth and vegetative development of young animals increases;
- seedlings tolerate picking and transplanting into beds more easily;
- the quality and taste of tomatoes are much better;
- Plant immunity is strengthened.
A disadvantage of using yeast is the decomposition of potassium and calcium during fermentation. To avoid this problem, ash is added to the soil along with the yeast solution.
Recipes for fertilizing seedlings
Add yeast solution 5-7 days after transplanting the seedlings into the greenhouse. Fertilize the tomatoes a second time before flowering. Use the same recipe for both applications. Apply the mixture only under the roots. For the first application, 500 ml of the mixture per bush is sufficient for young plants; for the second application, 1 liter of the mixture is required. If yeast is unavailable, substitute it with bread, crackers, or flour products. If the solution concentration is lower, water more frequently.
Classic recipe with live yeast:
- 1 kg of product is diluted in 5 liters of liquid;
- mix thoroughly;
- dilute with water 1:10;
- let stand for 2-3 hours;
- Stir thoroughly before watering.
Recipe with dry product:
- 10 g of dry substances are dissolved in a bucket of water;
- add 2 spoons of sugar;
- insist for 3 hours;
- add water 1:5.
Fermented solution:
- 100 g of sugar is poured into 3 liters of water;
- stir, add 100 g of yeast;
- pour into a container, cover with a cloth;
- leave to ferment for 5 days;
- dilute with water, 10 liters of water per glass of mixture;
- pour 1 liter under the bush.
Yeast mixture:
- combine 5 g dry yeast, 2.5 tablespoons sugar, 250 g ash, 500 ml bird droppings and 5 liters of water;
- stir thoroughly;
- add water 1:10;
- let stand for 3-4 hours;
- water carefully at the root, 0.5 l per specimen.
Milk solution:
- 200 g of live yeast is poured into a liter of water;
- pour in only warmed homemade milk 1:5;
- insist for 2-3 hours;
- the milk mass is diluted with water 1:10;
- pour 1 liter of solution under the bush.
Universal mixture:
- for 50 liters of liquid add a bucket of green grass;
- add 500 g of fresh yeast and 1 kg of sliced bread;
- leave to infuse for 48 hours, then water the tomatoes.
Preparation of natural solutions
In addition to ready-made yeast, natural starters, prepared at home through fermentation, are used. Wheat, hop cones, and bread are used for starters.
Wheat infusion:
- wheat grains are soaked in water for a day until they germinate;
- sprouted grain is ground to a pulp;
- add 2 spoons of flour, 2 spoons of sugar;
- Place the mixture on low heat for 20 minutes, stirring constantly;
- leave to ferment for 24 hours in a warm place;
- 9-10 liters of water are poured into the fermented mixture.
Bread mix:
- two glasses of bread crusts are poured with a glass of kefir;
- add a glass of ash and a 100 g pack of yeast;
- pour in 200 ml of any jam;
- add 10 liters of water to the container, add the resulting mixture, stir;
- leave to ferment in a warm place for 6-7 days.
Hop starter:
- a glass of dry hop cones is poured with a liter of water;
- put on low heat for 20 minutes;
- after 60 minutes add 4 tablespoons of flour and 2 tablespoons of sugar;
- when fermentation begins, add 2 boiled grated potatoes;
- dilute the mass with 10 liters of water;
- After 20 hours, you can water the bushes with the infusion.
Recommendations
It's best to fertilize seedlings in the evening, during warm weather. It's recommended to use yeast mixtures no more than twice during the growing season. During fermentation, yeast absorbs potassium and calcium, which are essential for the development of young plants. Frequent yeast feeding It promotes increased nutrition for seedlings. This depletes the soil very quickly.
It's best to apply yeast supplements in the spring, when the air temperature is at least 18-20 degrees Celsius. The soil should be well warmed.
Frequent fertilizing will result in the development of greenery. There will be many leaves, but few fruits. Carry out any additional feeding, including yeast, should be taken no more than once a month.
Before fertilizing the seedlings, water the soil. The soil should be moist.
Yeast prevents the development of gray mold on tomatoes. Yeast mixtures revive sick plants. For greater effectiveness, the yeast solution is diluted with mineral supplements.
Yeast mixtures are made from natural ingredients, which makes the fruit safe to eat. Homemade solutions are cost-effective and save money. They have many advantages over chemical preparations, which can accumulate in the fruit and cause harm.

Ammonia for indoor plants - application and dosage
Rabbit manure is a complex fertilizer that requires proper application.
What is iontoponics and how is it used in seedling cultivation?
How to prepare manure for application to garden beds: important rules