Question

what are the disadvantage of manure and fertilizer?

Answer 1

Disadvantages of manure:

• Sometimes manure contains weed seeds that give rise to the weeds on the crop field.
• Manure carries E.coli bacteria which cause severe diarrhea and abdominal cramp.
• It takes a long period of time to prepare manure.
• The salt content of manure is usually very high. Deposition of salt in the soil may damage the roots of the plants.

Disadvantages of fertilizers:

• Fertilizers are very costly.
• Continuous apply of fertilizer reduces the natural soil fertility.
• Chemical fertilizers cause harmful effect to the environment.
• Excess dose causes discolouration of leaf and burning of roots.
• Excess nitrogen spills to the nearby water bodies and kills the fishes their.