Question

explain the alternatives of chemical fertilizers used in agriculture so that water and soil pollution could be reduced​

Answer 1

Answer:manure best option

Explanation:

Answer 2

Answer:

The alternatives of chemical fertilizers that can be used to reduce soil and water prevention are:

Plant-based natural fertilizers:

• Compost: Organic natural fertilizer produced by composting decomposed plant matter.  
• Green-Manure cover crops.  
• Kelp meal: Made from seaweeds .
• Mulch: Organic fertilizer sourced from old twigs, shredded leaves and other plant parts, hay etc. This prevents soil erosion and increases nutrient absorption by the plants.
• Cottonseed meal: Cotton byproduct used best for flowering plants, shrubs and vegetables.
• Molasses: Sugarcane or beet sugar byproduct.
• Legume cover crops: Like alfalfa, cowpeas, vetch etc., to fix nitrogen in roots.

Animal-based natural fertilizers:

• Manure: Age-old type of organic fertilizer sourced from livestock animals. These have excellent water-retention qualities
• Bone meal: Made from grounding dried bones of mostly slaughtered animals.
• Blood meal: Made from dried blood products.
• Fish emulsion: Made from fish parts.