The lack of beneficial substances in the soil negatively affects the state of crops. They cease to delight with their yield, poorly grow, develop and fruit. Nitrogen fertilizers are the only way out of this difficult situation, which leads to large material losses. In order for such feeders to have their effectiveness, you need to know the time when it is best to bring to the ground.
Types of nitrogen fertilizers
Nitrogen fertilizers are used by farmers to increase the yield of grain, vegetables and fruits. These include:
- ammonia Selitra;
- urea;
- ammonium sulfate;
- calcium Selitra;
- potash Selitra.
Suitable time to make nitrogen fertilizers
Spring - the beginning of the summer - the right time to make nitrogen fertilizers. During this period, useful substances quickly penetrate into the soil, absorbed by the root system, thereby filling it with growth activators.
In the fall, it is not recommended to feed the plants with such fertilizers, as they reduce their frost resistance.
Recommendations for the introduction of nitrogen feeding
Experienced gardeners know that nitrogen fertilizers should be made throughout the projection of the crowns of trees and shrubs. They can be scattered near the plant with subsequent irrigation, or breed with water, and then pour under the root.
To improve the yield of fruits and berries, it is recommended to contribute:
- for an apple tree - 200-250 g of ammonia nitrate or urea;
- for plum or cherry - 120-140 g nitrogen fertilizer;
- for currant or gooseberry - 50-60 g of feeding;
- for raspberries - 10-20 g / row of fertilizers;
- for strawberries, strawberries or -10-15 g / row.
Soil fertilizer must be produced on a permanent basis, at least once throughout the year.
Tips for issues of nitrogen fertilizers
To improve the yield of fruit perennial trees, professionals are recommended to feed them with nitric fertilizers even in the fall. They activate the process of formation of the root system, thereby strengthening it in the soil.
Signs of overabundance of nitrogen fertilizers
Fertilizers should be moderate and correct to eliminate possible negative consequences. The main feature of the oversupply of nitrogen fertilizers is the slowdown development of plants, unreasonable fruits with a non-launch of color and low sugar content.
Nitrogen fertilizers are reliable assistants of farmers and amateur gardeners. They feed the soil well, fill plants with all the necessary useful substances, contribute to their active growth. Apply them on your garden, high yield guaranteed!