Daily Archives: November 24, 2017

SEEDING AND PLANTING MATERIAL

The seeds intended for sowing must meet the requirements set by the state standards for seed materials, because the quality of the seeds largely determines the effect of the work invested in plant cultivation. Official evaluation of seed materials …

Compound fertilizers

For fertilizing plants in allotment and home gardens, except for single-component mineral fertilizers, multi-component fertilizers are used, containing: azote, phosphorus, potassium, magnesium, calcium and trace elements. There are two types of compound fertilizers: comprehensive and mixed. …

Lime fertilizers are used for liming, the main purpose of which is to change the acidity of the soil, not corresponding to most of the arable crops. Calcium fertilizers can be divided into five groups according to their chemical composition:

– fertilizers containing calcium in the form of an oxide …

Potash fertilizers are classified into low- and high percentage. These fertilizers are classified as low-percentage, which include below 25% K20. Potassium in potassium fertilizers occurs in the chloride or sulphate form. Potassium fertilizers are obtained from crude potassium salts – minerals. Po …

Phosphorus fertilizers are made from phosphate rock or apatite, whose deposits in Poland are unfortunately not suitable for exploitation, due to the low percentage of phosphorus compounds. Phosphate fertilizers include: single superphosphate (dusty and granular), triple granulated superphosphate, superphosphate …

MINERAL FERTILIZERS

Mineral fertilizers usually contain only one main nutrient and are therefore divided into groups according to their ingredient, which they contain. The following groups of mineral fertilizers are distinguished:

– nitrogen fertilizers,

– phosphorus fertilizers,

– potash fertilizers,

– magnesium fertilizers,…