Sentence examples for abundance crop from inspiring English sources
Farmers have been slow to sign up for CP33, possibly out of concern for the borders' impact on insect pest abundance, crop yield and profitability.
We used Brassica oleracea crop plants as phytometers planted into field margins of 48 fields and observed correlations of explanatory variables (vegetation, landscape) and response variables (herbivore and natural enemy abundance, crop damage) for two consecutive years (24 fields × year−1).
Benefits of Bt crops vary temporally and spatially depending on pest abundance and crop traits, and sometimes include reduction in use of synthetic insecticides and increased yield (Cattaneo et al. 2006; Hunt et al. 2007; Buntin 2008; Showalter et al. 2009; Ma et al. 2009).
Exclosure experiments on kale crops showed no significant effects of bird exclosure treatment on arthropod abundance or crop yield.
When studying pollinator abundance, the crop as well as the landscape scale should be addressed.
This indicates that bird diversity may be a more sensitive response than bird abundance to crop cover type in agricultural landscapes.
Here we combine soil structure information obtained by X-ray microtomography with bulk properties like bulk density, air capacity and saturated hydraulic conductivity, as well as integrative, ecological properties like earthworm abundance and crop yield.
Abundance of crop damaging species was significantly greater in wooded strips than in any other type; however, Red-winged Blackbirds, the most abundant bird species recorded and the species most likely to damage crops in the study area, did not differ in abundance among the six strip types, nor in adjacent crop fields.
The Iroquois, for instance, used corn husk masks at harvest rituals to give thanks for and to achieve future abundance of crops.
At present they are used for ceremonies to ensure abundance of crops.
The land that he says once thrived with an abundance of crops that fed his family and provided their livelihood has been stripped bare.
