Question

4.What Is Saprotrophic Nutrition?

How Nutrients Are Replenished Into The Soil?​

Answer 1

Answer:

Saprotrophic nutrition or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed organic matter. It occurs in saprotrophs, and is most often associated with fungi and soil bacteria.

Nutrients in the soil are replenished by adding fertilisers and manures. Fertilisers and manures contain plants nutrients and minerals like nitrogen, phosphorus and potassium. ... The bacterium called Rhizobium can take atmospheric nitrogen and convert it into a soluble form.

Answer 2

Answer:

Nutrients in the soil are replenished by adding fertilisers and manures. Fertilisers and manures contain plants nutrients and minerals like nitrogen, phosphorus and potassium. ... Another way to replenish soil is to grow leguminous crops (for example gram, peas, pulses etc.)