Which of the statements regarding zero tillage agriculture are correct i Weed control is achieved by...........

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Which of the statements regarding zero tillage agriculture are correct

(i) Weed control is achieved by use of herbicide.

(ii) No implements are used to turn the soil over to cultivate it or incorporate its residue.

(iii) Practice of crop rotation is avoided under it.

Choose the code

(i) and (ii)

(i) and (iii)

(ii) and(iii)

(i),(ii) and(iii)

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Explanation:

• Zero tillage is minimum tillage practice in which crop is sown directly into soil not tilled since the harvest of previous crop. Weed control is achieved by using herbicides etc.
• Crop rotation is fundamental to zero tillage, since it promotes biomass levels for permanent mulch cover.