Nitrogen, phosphorus, potassium, trace elements ... (1984)

Blooming sunflower.

There is a chemical plant next to the sunflower field.

The control panel.

Slaughter.

Development of potash ores.

Explosions in the mountains.

Wagons with ore.

Rotary excavator in the quarry.

Packing of mineral fertilizers.

Combine harvester in the field.

Grain is poured into the car.

A blooming orchard.

Apples on the branches.

Ears of wheat.

Corn field.

Cabbage field.

Irrigation of the field.

Fertilization of fields.

The Mendenleev table.

Portrait of D.N.Pryanishnikov.

Corn field.

Laboratory.

Plant cells under a microscope.

Harvesting.

Tanks with ammonia.

A plant for the production of nitrogen fertilizers.

Irrigation of fields.

Application of fertilizers to the soil.

Application of fertilizers from the air.

Sev.

Chemical plant.

Granular urea.

Dissolution of urea in water.

Corn harvesting.

Ammonium sulfate on the conveyor belt.

Cotton field.

Collecting tea.

Pre-sowing tillage.

Sugar beet field.

Containers with ammonia.

The introduction of anhydrous ammonia into the soil using a special unit.

Water ammonia in tanks.

Introduction of aqueous ammonia with simultaneous sealing .

Cabbage field.

Fertilizer production plant.

Beet.

Irrigation of the field.

Harvesting corn for silage.

A field of clover.

Ripe apples .

Laboratory: a sheet under a microscope.

Seed germination (time-lapse survey).

An experienced greenhouse.

Tractors in the field.

Flowering legumes.

Soil microorganisms (under the microscope).

Introduction of phosphorus into the soil.

A piece of apatite-nepheline ore.

Apatite processing plant.

Production of superphosphate.

Granular superphosphate.

Laboratory.

Determination of the total amount of phosphorus assimilated in superphosphate.

Packed superphosphate.

Application of fertilizers to the soil before sowing.

A field of flowering potatoes.

Obtaining phosphorous flour.

The introduction of phosphorous flour into the soil.

A field of wheat.

Germination of seeds.

An experienced greenhouse.

Beet field.

Harvesting corn for silage.

Extraction of potash ores.

Samples of rocks containing potassium.

Production of potassium chloride.

Production of potassium chloride.

Panorama of the tangerine garden.

Flax field.

Embedding fertilizers in the soil.

Flax harvesting.

Potato tubers in the ground.

An experienced greenhouse.

Plant cells under a microscope.

Cabbage field.

Diseases of plants with a lack of trace elements.

Combine harvester in the field.