Sentence examples for levels of pests from inspiring English sources
They are experiencing unprecedented levels of pests and disease, and struggling to deal with unpredictable weather conditions that are dramatically affecting coffee production.
Landscape complexity has been shown to play an important role in determining the levels of pests and predators found in agricultural fields.
These African smallholder farmers are already facing climate change impacts on their crops, as well as levels of pests and diseases that would be unrecognisable in other parts of the world.
All statistical models controlled for baseline levels of pests or allergens.
We controlled for baseline levels of pests or allergens and senior building status.
Bioenergy systems should therefore be deployed in ways that support resilience (economic and climatic) in African food cropping by, for example, enabling economically productive novel crop rotations and cropping patterns to combat increasing levels of pests and diseases in both food crops and forestry systems [ 31, 32] and alternative markets during times of oversupply [ 26].
Synthetic insecticides pose some hazards, whereas natural insecticides offer adequate levels of pest control and pose fewer hazards.
Some landscape factors associated with increased levels of pest control by the natural enemy complex were identified.
The normal population levels of pest organisms result in limited reduction in tree growth or the total destruction of only a small number of trees in the forest.
Willington Wamayeye, managing director of the Gumutindo Fairtrade coffee co-operative in Mbale, which buys from about 6,000 farmers in the region, said: "When temperatures rise we have a humid environment and it enables diseases and pests to grow, and we have unprecedented levels of pest attack of the coffee.
We investigated the ecology of introduced ship rats (Rattus rattus) on a nearshore island, and gene flow with adjacent mainland populations, in order to understand the metapopulation dynamics and relative levels of pest control required within the landscape.
