Hand-pulling or hand-weeding, hoeing, tilling, mowing, burning, flooding, smothering, etc. are examples of physical methods of weed control, involving the use of physical methods of weed control, involving the use of physical energy through implements, either manual, bullock-drawn or power –operated. Hand-weeding is the most efficient method, but it is back-breaking, time –consuming and costly. With the gradual industrialization of our country, coupled with the raising of standards of living and literacy, manual labour is becoming scarce. Further, the high wages paid to the hired labour narrow down the profits of the cultivator. Tillage is a practical and economical method of controllin3g annual weeds. The plough (disc,mouldboard, etc.), The harrow (disc, spike and spring-toothed) and the cultivator (duck-foot, blade, bakhar, etc.) are some implements in use to eradicate weeds. |
|