Keyword Analysis & Research: losses caused by weeds

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Frequently Asked Questions

What is the yield loss due to weeds?

In general, the yield loss due to weeds is almost always caused by a group of different weed species, and these species can differ considerably in competitive ability (Weaver and Ivany 1998). Basically, it is very difficult to estimate the yield loss due to single weed species and therefore, it is estimated as the cumulative loss by all the weeds.

What is the economic impact of weeds in agriculture?

Weeds are notorious yield reducers that are, in many situations, economically more harmful than insects, fungi or other crop pests. Assessment of crop yield and economic losses due to weeds in agriculture is an important aspect of study which helps in devising appropriate management strategies against weeds.

What is the yield loss due to weeds in Chhattisgarh?

Results on state wise yield losses in major crops as well as economic losses are presented in the following sections. In Chhattisgarh, rice is the main and only crop which is grown virtually in entire area of the state. In farmers' field, actual yield loss due to weeds is 25.6% whereas potential yield loss is as high as 65.9%.

How much yield is lost due to crop-weed competition?

The study revealed that yield losses in farmers' fields were 14–33% due to weeds despite using weed control measures. In another study, yield losses were estimated as 50–75% due to crop-weed competition in sesame ( Mruthul et al., 2015 ).


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