(c)Pathogen
Q4. Differentiate bet reen the following. With one example each
(a) fertilisers and Man Fes
(bj unicellular and micellular organisms
QS. What do you mea by the term agricultural practice?
(1)
Answers
Answer:
People are generally mistaken about what the first step of farming or agriculture is. We assume that it is the sowing of seeds. But even before the seeds are sown for germination, we must ensure that the soil is ready for farming. This it is the process of soil preparation.
Explanation:
As we discussed, soil preparation is the first step to be followed when we start the agricultural process. It usually entails the loosening up of the top layer of soil i.e. topsoil. Plants absorb water and nutrients from the soil through their roots, hence it is essential to prepare the soil, so we can have a healthy and bountiful produce.
The soil is prepared by the following methods
Ploughing
Levelling
Manuring
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Manures are obtained from natural sources, whereas fertilisers are synthetically manufactured in the factories. Manures are eco-friendly, whereas fertilisers harm the useful microbes present in the soil and also decrease the soil fertility if used for a longer time.
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