1.(Plants) Also called:redrootany of several coarse North American amaranthaceous weeds of the genusAmaranthus,espA. retroflexus,having hairy leaves and green flowers 2.(Plants) a US name forfat hen Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publisher...
From these results, we established a linear model to predict weed seed interception by a grass cover as a function of their seed trait values. The relationship between the predicted interception and weed community dynamics observed in grasslands was negative for some species, indicating that other ...
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Trial with weed control in grass seed cropsJensen, P EMathiassen, S KKudsk, P
vegetation and seed bank were studied at the initiation (1979) and after the first cycle (1983) of a four-course crop rotation (oats, clover, winter wheat, faba beans) in which no herbicides or inorganic fertilizers were used and high levels of weeds were tolerated except in the seedbed....
作者: B Pallack 摘要: Reports on the increase in reported crimes in some areas in Tucson, Arizona. Contribution of the Weed and Seed project in the increase; Campaign of the program for people to report crimes in their neighborhoods; Efficacy of the program. 年份: 2003 收藏...
When seed composition per transect was compared using ordinations, there were clear differences with more seed from non-native grasses such asChloris virgateandChloris gayana,the native grassDicantheum scericeum, and the non-native herbVicia sativaon the bike, while on the horse there tended ...
Valdez, and David Graham 摘要: Livestock poisoning can occur on short-grass prairies when locoweeds are actively growing in spring before warm-season grasses begin growth. White locoweed grows in early spring, completes flowering and seed production by early summer, and goes dormant. Perennial ...
The infant boy dropped aweedfrom his tiny hands and burst into frenzied weeping. 小不点的小手里落下一棵野草,孩子突然号陶大哭起来. 名作英译部分 Weedout traitors from the army. 肃清军队中的汉奸分子. 期刊摘选 Weedseed bank size was the largest under the organic system. ...
Seed longevity and dormancy of four summer annual grass weeds in turf of weed management, it is important to know when weeds are ready to emerge (dormancy status) and also how long weed seeds can survive in the soil. ... R Masin,MC Zuin,S Otto,... - 《Weed Research》 被引量: 86...