1 / 7

Fertilizer Classifications

Organics Natural organics Major animal materials Synthetic organics Processed organics. Inorganics Super phosphate Ammonium nitrate Ammonium sulphate Ammonium phosphate. Fertilizer Classifications. Seed meals Cotton Soybean Green manures Mustard Vetch Peas. Straws Cereals Beans

libitha
Télécharger la présentation

Fertilizer Classifications

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Organics Natural organics Major animal materials Synthetic organics Processed organics Inorganics Super phosphate Ammonium nitrate Ammonium sulphate Ammonium phosphate Fertilizer Classifications

  2. Seed meals Cotton Soybean Green manures Mustard Vetch Peas Straws Cereals Beans Forest products Barks Sawdust Humus Natural Organics

  3. Bloodmeal Hoofs and horns Bonemeal Tankage Manure Solid Liquid Major Animal Materials

  4. Synthetic Organics • Urea • Urea-formaldehyde • Biuret • Sulfur - coated urea

  5. Processed Organics • Sewage sludge • Processed crop residues • Cannery wastes

  6. Advantages Soil tilth improvement. Water holding capacity increased. Cation exchange capacity increased. Disadvantages Low concentration of nutrients.. Difficult to determine exact amounts of nutrients provided. Organics

  7. Advantages Small amount of fertilizer needed per nutrient provided. Easy to handle. Ability to determine the exact amount of nutrient provided. Disadvantages Expensive. May burn crop if not used correctly. Leaching of nitrates into groundwater. May be toxic to people who apply them. Inorganics

More Related