- Table of deficiency symptoms and plants need to those
- Fertility of field soil
- Micro elements and their nessecity
- Funtion of fe in plant
- Funtion of Zn in plant
- Funtion of Cu in plant
- Funtion of Mn in plant
- Nutrient Presentation - Fertilizer
- Freezing in plants and diferent measurements againt those
- Instructions of tracking the quarantine disease of bacterial canker in nuclear fruit trees
- Root knot Nematod (Meloidogyn SPP)
- Tomato leaf minor
- Fusarium head blight
- Diseases
- Plant hormones and their efficacy
- Nutrishment of fruit trees
