Why do farmers use a combination of manures and chemical fertilizer in fields?

Fertilizers are highly absorbable. So manures are mixed with fertilizers to provide all the essential nutrients to the plants. A combination of manures and fertilizers promote healthy growth and higher yield of crops. It also helps to improve the texture and quality of the soil.

Why do farmers spread fertilizers and manures in the field Class 7?

Farmers add fertilisers and manures to the field because fertilisers and manure conserves and enriches the fertility of the soil. When plants are grown again and again on the same soil, the soil becomes deficient in nutrients.

Why are manure and fertilizers used in fields Class 9?

Manure is made from decomposing plant’s parts and animals waste. Therefore, it is rich in nitrogen, phosphorus, potassium and other nutrients. – All these nutrients are essential for plant growth, thus using manure as fertilizers in fields provide crops with all required growth factors.

Why do farmers use fertilizers in the fields?

Fertilizers are added to crops in order to produce enough food to feed the human population. Fertilizers provide crops with nutrients like potassium, phosphorus, and nitrogen, which allow crops to grow bigger, faster, and to produce more food.

Why are farmers spreading manure in their field?

Why are chemical fertilizers used in new farming methods?

Chemical fertilizers consist of Nitrogen, phosphorus, and potassium. Very important for the growth of the plant. They are used in large quantity by the farmers because they are nutrient specific and provide the required nutrients to the plant.

Why are manures better than fertilizers?

Manures are considered better than fertilizers in maintaining soil fertility because: i) They add nutrients to the soil without affecting its fertility. iii) Manures improve the structure of soil by increasing its water holding capacity, porosity, and texture. They also promote the growth of crops.

What are manures and fertilizers give examples?

Farmers and gardeners want their plants to grow. To that end, they use both manures and fertilizers. Examples of manure include rabbit, horse, cow, and chicken poop and bat guano. Examples of fertilizers include synthetic chemical blends, minerals, and compost from decaying organic matter.