Give one word for the following
(a) Farming without the use of chemicals as fertilisers herbicides and pesticides is known as `"_________"`
(b) Growing of wheat and groundnut on the same field is called as `"_________"`
(C) Planting soyabean and maize in alternate rows in the same field is called as `"_________"`
(d) Growing different crops on a piece of land in pre-planned succession is known as `"_________"`
(e) xanthium and Parthenium are commonly known as `"_________"`
(f) Causal organism of any disease is called as `"_________"`

Explanation

(a) organic farming (b) mixed cropping (c ) inter cropping (d) crop rotation (e) weeds (f) pathogen.