Safe herbicide for maize + arhar intercropping system is:

Correct option is D

✅ (d) Pendimethaline: • It is a pre-emergence herbicide used safely in intercropping systems like maize + arhar. • Controls annual grasses and some broadleaf weeds. • Does not harm legume crops like arhar when applied correctly.
❌ (a) 2, 4-D: • It is a broadleaf herbicide, which can damage arhar (a broadleaf plant).
❌ (b) Simazine: • More suitable for orchard crops, not recommended for maize-arhar intercropping.
❌ (c) Atrazine: • Selective for maize but harmful to legumes like arhar.