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首页> 外文期刊>Indian Journal of Weed Science >Impact of diversification of rice-wheat cropping system on weed dynamics under irrigated condition of eastern Uttar Pradesh
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Impact of diversification of rice-wheat cropping system on weed dynamics under irrigated condition of eastern Uttar Pradesh

机译：近日北方灌注条件下稻米种植体系多样化对杂草动态的影响

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摘要

Effects of ten diversified rice based cropping sequences on weed dynamics were evaluated at Banaras Hindu University, Varanasi (Uttar Pradesh) in different season during 2016-17 and 2017-18. The results revealed that density of Cyperus spp., Cynodon dactylon and Digitaria sanguinalis was significantly lowest in rice-potato-greengram sequence but it remained at par with rice-berseem-cowpea fodder, rice-cabbage-cowpea fodder and rice-potato-cowpea fodder during second year in rainy season. Dry weight of Digitaria sanguinalis was significantly lowest under rice-potato-greengram sequence. During winter season, significantly lower density and dry weight of Medicago denticulata, Chenopodium album as well as total weeds were recorded in mustard (rice-mustard-cowpea fodder), though it was found similar with mustard (rice-mustard-sudan grass fodder), potato (rice-potato-greengram and rice-potato-cowpea fodder) and wheat (rice-wheat, rice-wheat-greengram and rice-wheat-cowpea fodder). While, density of Cynodon dactylon was markedly lower in wheal (rice-wheat) il was on a par with mustard (rice-mustard-sudan grass fodder), potato (rice-potato-green gram, rice-potato-cowpea fodder) and wheat (rice-wheat-greengram, rice-wheat-cowpea fodder). During summer season, cowpea grown in rice-cabbage-cowpea fodder recorded significantly lower density as well as dry weight of Cyperus rotundus, Cynodon dactylon as well as total weeds. Grain yield of rice was significantly higher in rice-berseem-cowpea fodder. During winter season, berseem in rice-berseem-cowpea fodder sequence out yielded all the other crops. However, in summer, Sudan grass in rice-mustard-sudan grass fodder produced the highest green fodder yield.
机译：在2016 - 17年至2017 - 18年在不同季节的瓦拉纳斯印度大学评估了十种多样化水稻种植序列对杂草动态的影响。结果表明，Cyperus spp的密度。，Cynodon dactylon和digitaria sanguinalis在水稻 - 马铃薯片序列中显着最低，但它保持在水稻 - 豇豆饲料，米糠 - 豇豆饲料和稻米 - 马铃薯 - 豇豆在雨季的第二年中饲料。 Diatiaria sanguinalis的干重在稻瘟病序列下显着最低。在冬季，Medicago Denticulata的密度和干重显着降低，芥菜葡萄球菌和杂草总量的总杂草（米芥末豇豆饲料），虽然它被发现与芥末（芥末苏丹草饲料相似） ，马铃薯（稻米 - 马铃薯 - 牛皮豇豆饲料）和小麦（米饭，米饭 - 小麦 - 绿克和米饭 - 豇豆饲料）。虽然，Cynodon Dactylon的密度在芥末（米饭 - 小麦）Il中显着降低了芥末（芥末 - 苏丹草饲料），马铃薯（米 - 马铃薯 - 绿克，稻米 - 马铃薯 - 豇豆饲料）和小麦（米饭 - 小麦 - 豇豆饲料）。在夏季期间，豇豆在稻白菜 - 豇豆饲料中生长的饲料显着降低密度和麝香菌，Cynodon Dactylon以及总杂草的干重。水稻豇豆饲料稻米籽粒产量显着高。在冬季，大豆豇豆饲料序列的雌二月出现了所有其他作物。然而，在夏季，苏丹草在米兰芥末草饲料中产生最高的绿色饲料产量。

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