OBJECTIVE FORESTRY

Detailed explanation-1: -The soil with too much clay or sand may not be ideal for the plants to grow. It just has to the ideal mix of soils for the plants to grow optimally.

Detailed explanation-2: -The soil itself is not really needed by the plants-just the nutrients and water in it. So if the nutrients are put in water, the plants can get what they need to grow without the soil. For example, hydroponic is a technique of growing plants using solutions rich in mineral nutrients without soil.

Detailed explanation-3: -Soil is a substrate for plants to grow in. Soil provides support, nutrients, and a network of water and air to the plant’s roots. Plants can grow without soil, but they will need structures to support them, the correct amount of water and air to their roots, and ample nutrients.

Detailed explanation-4: -The roots of plants are the part which grows under the soil. The roots of the plants shows the movement called as geotropism. This is the property by which the roots move towards the soil. The other property of the roots is to move towards the water is known as hydrotropism.