question_answer

                                                                                                                                                Explain how fertilizers are different from manures?                                                                                      

Answer:

Fertilizers differ from manures in following ways:

(i) Manures are organic substances while fertilizers are chemical substances.

(ii) Manures are prepared in fields, while fertilizers are prepared in factories.

(iii) Manures contain all the nutrients, while fertilizers are rich in certain nutrients.

(iv) Manures provide humus, while fertilizers do not provide it.