Effects of Heterotrophic Ammonia-oxidizing Bacteria on Yield and Water Use Efficiency of Dryland Maize [PDF]
[Objective] To investigate the effects of inoculating heterotrophic ammonia-oxidizing bacteria (HAOB) on yield and water use efficiency of dryland maize. [Methods] A two-year field experiment was conducted in a drought-prone area using HAOB strain S2_8_1
CAO Jiawei +5 more
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Potosynthesis, Transpiration and Water Use Efficiency of Casuarina equisetifolia Plantations of Different Ages [PDF]
, 2012 本文对福建崇武赤湖林场不同林龄木麻黄人工林的光合作用、蒸腾作用及水分利用效率的日变化和季节变化进行了研究，从碳同化、水分耗散以及二者相互关系的角度探讨了各种生理生态因子对木麻黄人工防护林生长的影响。主要研究结果如下： 1．6龄林木麻黄成熟小枝的净光合速率日变化除夏季外为单峰曲线，22龄林和39龄林在各个季节均为双峰曲线，即存在光合“午休”现象。胞间CO2浓度和光合有效辐射是影响不同年龄木麻黄小枝净光合速率最稳定的生理和生态因子。三个林龄小枝的最大净光合速率均出现在夏季，说明夏季是木麻黄生长的旺季 ...
廖蒙蒙
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Effects of Brackish Water with Different Sodium-Potassium Ratios on Soil Water-Salt Characteristics and Winter Wheat Growth [PDF]
[Objective] To study the effects of brackish water irrigation on soil water and salt characteristics and crop growth is helpful to guide the safe utilization of brackish water.
CHENG Yu +7 more
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Shuitu Baochi Xuebao, 2021 探究枫香（Liquidambar formosana Hance）对铅污染土壤的修复作用，为缓解土壤铅危害和枫香在重金属污染地推广种植提供科学参考，以1年生枫香幼苗为试材，设置6个Pb2+浓度（分别为0，100，300，500，800，1 000 mg/kg）对各Pb2+浓度环境下枫香幼苗的生理特性和积累特性进行研究，并采用主成分分析法对枫香的12个生理指标进行筛选以及耐性评价。结果表明，随着Pb2+的增加，枫香幼苗叶片的生物量、可溶性糖含量、可溶性蛋白含量、游离脯氨酸含量、超氧化物歧化酶（SOD ...
蒋严波 +5 more
doaj
Effects of mixed-culture densities of Spartina alterniflora on eco-physiological characteristics of Kandelia candel seedling [PDF]
, 2007 按照不同密度将互花米草与秋茄进行混种,对比研究胁迫条件下秋茄幼苗生长、光合特性及其渗透调节物质变化规律。结果表明,低密度互花米草促进秋茄的茎长以及各部分生物量,高密度则起抑制作用。随着互花米草密度的增大,秋茄幼苗叶片光合速率、气孔导度、蒸腾速率、水分利用率和蛋白含量均下降;相反,胞间CO2浓度、可溶性糖、淀粉、脯氨酸含量却上升,这些变化有利于对抗互花米草带来的不利影响。 【英文摘要】 Kandelia candel seedlings were mix-cultured with Spartina ...
何斌源 +5 more
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Effects of drought and copper stress on the physiological characteristics and ADH gene family in Zaoheibao grape seedlings [PDF]
[Objective] Grape (Vitis vinifera L.) is an important economic crop worldwide. Drought and heavy metal stress are major constraints on the sustainable development of the grape industry. Various strategies, such as applying exogenous substances, promoting
HAN Kai, JI Wei, LIU Chang, WANG Haonan
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The water and nutrition relationships between mistletoe and its host mangrove species [PDF]
, 2009 本文研究了瘤果槲寄生Viscumovalifolium和红树植物海桑Sonneratiacaseolaris的寄生系统。槲寄生属Viscum是桑寄生科常绿灌木或亚灌木，属于半寄生植物。试验地点为海南清澜港红树林自然保护区，样地内海水平均盐度为17.2ppt。自然条件下测定植物叶片的叶绿素荧光和光合气体交换速率，并于控制环境下测定光响应曲线和CO2响应曲线。同时测定叶绿素含量、叶片渗透势、木质部和叶片的元素(Na、Cl、K、Ca、Mg、N、P)含量等。 1. 与以往的研究结果不同，此处的槲寄生叶片蒸腾速率（
黄丽
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Effects of nitrosigine on Malus hupehensis seedling growth and apple fruit quality [PDF]
[Objective] In order to explore the effects of nitrosigine applied to plants as a fertilizer on the plant growth and fruit quality, the experiment was undertaken so as to provide a theoretical basis for the selection of new silicon fertilizer in the ...
JING Xiuli +6 more
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盐度对泌盐和非泌盐红树植物信使物质影响的比较研究 [PDF]
, 2002 本文以典型的泌盐红树植物桐花树（Aegicerascorniculatum）和非泌盐红树植物秋茄（Kandeliacandel）或木榄（Bruguieragymnorrhiza）为材料，通过气体交换分析技术、原生质体分离、荧光探针导入及放射性同位素等手段和方法，研究不同盐度对两类红树植物光合速率、蒸腾速率及细胞信号物质如过氧化氢（H2O2）含量、胞内自由钙离子浓度（Ca2+i）及环磷酸腺苷（cAMP）含量的影响，主要实验结果如下： 1 盐度对秋茄胚轴的出叶率及胚轴的总根长影响较大，都是10‰盐度处最大 ...
马建华
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Shuitu Baochi Xuebao, 2004 植物群落生理生态用水包括生理用水和生态用水。认为植物蒸腾耗水既属于生理用水也属于生态用水,具有两重性。人工杨树林地主要建群树种的蒸腾速率日均值按大小顺序为:沙柳>小叶杨>中间锦鸡儿。林地生态用水包括林地群落蒸散量与土壤贮水量。2001年7～8月皇甫川人工杨树林地生态用水量达142mm,林地蒸散量为99mm,同期降雨量181mm,虽然有82mm的降水用于土壤水分补偿,但由于降雨集中于生长季后期,即较大降雨发生在野外观测之后,所以实验观测结果是一组难得的连年干旱期的生理生态用水数据。
宋炳煜 杨劼 郭广芬 张屏
doaj +2 more sources