The ability of the Arundo donax crop to compete with weeds in central Spain over two growing cycles
The ability of the Arundo donax crop to compete with weeds in central Spain over two growing cycles
复制标题
芦竹作物在西班牙中部两个生长周期内与杂草竞争的能力
DOI：
10.1016/j.indcrop.2017.06.015
复制
发表时间：
2017
期刊：
影响因子：
--
通讯作者：
Javier Sánchez
中科院分区：
文献类型：
--
作者：
M. D. Curt;P. V. Mauri;M. Sanz;J. Cano;J. P. Monte;P. Aguado;Javier Sánchez
现在有大量的文献论述黄豆的种植。用于生物质和生物基化合物。几个农艺方面的问题已经得到解决，而其他方面，如需要控制杂草在美国。Donaxcrop几乎没有被调查过。在这项工作中，目的是研究杂草竞争对theA的影响。在地中海环境中种植两个生长周期：作物的建立年和第一个成熟年。采用不除草、5月除草和6月除草3种处理，测定了杂草多样性、杂草丰度、植株性状和作物产量。在整个野外试验过程中，均记录到conyzalessing属外来种的存在。杂草对他有害。在研究的两次收获中，尽管事实是。从第一个生长周期到第二个生长周期，竞争加剧。在本研究中，第一次收获的产量损失估计为55%，第二次收获的产量损失下降到36%，显示出较高的era。donaxcompetition。结果表明，为了获得更高的生物量产量，除草不应推迟到6月。
Nowadays there is extensive literature dealing with the cultivation ofArundo donaxL. for biomass and bio-based compounds. Several agronomic aspects have been addressed while others, such as the need for weed control in theA. donaxcrop, have been barely investigated. In this work, the objective was to study the effect of weed competition on theA. donaxcrop in a Mediterranean environment over two growing cycles: the establishment year and the first maturity year of the crop. Weed diversity, weed abundance, plant traits and crop yield were determined in a field experiment with three treatments: no weed removal, weed removal in May and weed removal in June. The presence of alien species of genusConyzaLessing was recorded throughout the field experiment. Weeds were detrimental to theA. donaxcrop in the two harvests under study despite the fact thatA. donaxcompetition increased from the first to the second growing cycle. In this study, the yield loss was estimated at 55% in the first harvest and decreased to 36% in the second one, showing higherA. donaxcompetition. The results showed that weed removal should not be delayed until June for higher biomass yield.