Sentence examples for weed population from inspiring English sources

He took soil from the organic farm, which already contained seeds of 35 common weeds, and with it created uniform beds at each of the sites, urban, suburban and rural, so that the growing medium and weed population would be the same throughout.

However, in rotational systems more favourable weed population dynamics are expected compared to ACT.

Crop yield, soil properties and weed population were measured in a wheat maize double crop system.

In 2003 at Ibadan, per capita weed population growth rate (WPGR) decreased in the green manure and forage legume treatments.

Furthermore, increasing environmental concerns, weed population shifts, and increased managerial costs have made it difficult for farmers to control these weed species within their limited economic resources.

We may know that weeds are one of the main factors that influence profitability and are affected by land-use rotation, and so we want to represent in the model processes such as weed germination, weed population dynamics, effects of weed management such as tillage, and competition between weeds and crop.

Resistant weed populations from Georgia contained 5-fold to 160-fold more copies of the EPSPS gene, compared to susceptible plants [26].

These data provide the first evidence that we are aware of that weed seed banks, and hence weed populations, may be indirectly affected by pesticide seed treatments.

Results of host-specificity screening of 90 plant species from 32 families confirmed that the Trinidadian pathotype of P. spegazzinii was highly host-specific and could not infect any of the test plant species, while it was highly pathogenic to most of the target weed populations from Assam, Kerala and the Andaman and Nicobar islands (Sreerama Kumar et al. 2016).

Indeed, weed populations generally arise independently and from different seedlots.

Weed populations that lacked the necessary genetic diversity faded from our fields, lawns and waste places; historians of agriculture can cite many such casualties.