S. 2(1A) : Agricultural income – Agriculture – cultivation of land – tilling of land, sowing of seeds etc – Certain other operations which are performed after produce sprouts from land , can also be regarded as agricultural operations- However spontaneous growth not involving any human labour or skill upon land are not products of agriculture – Income derived therefrom is not agricultural income . [ S. 10(1) , Indian Income-tax Act, 1922, S. 2(1) 4(3)(viii)].