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《甘蔗糖业》2018,(6)
为充分了解和评价不同类型肥料在甘蔗生产中的施用效果,探索在等价投入前提下,各参试肥料对甘蔗单产及品质的影响,找出能使甘蔗增产增糖又能使甘蔗地土壤理化性质得到改善的肥料类型,设计2个不同类型肥料(即BB肥与常规复合肥)进行比较试验。结果表明:新植蔗,施用BB肥时,螟虫平均为害率降低了0.41%(绝对值,下同),单产平均增加了5.10%;宿根蔗,施用BB肥时,螟虫平均降低则为0.94%,单产平均增加15.68%,整体表现都优于施用普通复合肥;在甘蔗品质分析方面,无论新植还是宿根,蔗糖分均有所降低,新植蔗纤维分平均增加了0.35%,但宿根蔗则减少0.68%。本试验条件下,施用BB肥甘蔗产量略高于复合肥,但对甘蔗品质与BB肥的关系有待进一步研究。 相似文献
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施用不同形态肥料对烤烟生长发育及养分吸收的影响 总被引:2,自引:0,他引:2
肥料的形态与土壤对养分的吸附固定和养分的有效性密切相关,为探明烤烟施用不同形态肥料的效果,采用盆栽试验研究了烤烟施用不同形态肥料的响应。结果表明,烟叶、烟茎、烟根干物质积累量均以施用颗粒肥处理为最大,分别比施用粉状BB肥的提高2.82%、2.88%和15.03%,比施用水溶液肥的提高2.08%、3.28%和11.93%;烤烟对氮磷钾养分的相对吸收量均以施用颗粒肥处理的最高(均以100%计),施用粉状BB肥的分别为96.6%、94.1%和90.4%,施用水溶液肥的分别为92.5%、96.3%和83.5%。试验得出,施用颗粒肥比粉状BB肥和水溶液肥更有利于烤烟干物质的积累和对氮磷钾养分的吸收利用,福建烤烟应提倡施用颗粒肥料。 相似文献
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根据多年试验研究结果表明,蘑菇收成后的大量废料,是一种优质的有机肥料,利用回田作肥料,能显著地提高甘蔗产量,并在适宜用量的情况下,有提高蔗糖分的作用,且能快速培肥能力,改善土壤理化性状,有利持续发展高效农业生产,施用蘑菇废料,可减少化肥施用量,降低生产成本,获得经济,社会和生态三大效益,具有广泛推广应用价值。 相似文献
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亚麻纤维防腐抑菌生态环保等特有的天然属性越来越为世人所关注.开发亚麻高支纱是亚麻纺织企业所期盼的.本文就现有的国产亚麻湿法纺生产条件,生产开发亚麻20tex细特纱进行探讨. 相似文献
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采前不同肥料处理对冬枣果实贮期品质变化的影响 总被引:2,自引:0,他引:2
研究生长期不同肥料处理对冬枣果实贮期各项品质变化的影响。处理在冬枣盛花期至幼果发育期进行,分别为氨基酸肥、稀土肥和矿物质肥,以常规管理为对照。冬枣样品在花后110d采集,分别在贮藏0~105d的6个时段进行品质分析。结果表明,不同肥料处理冬枣在贮藏当天,果实成熟度和总糖含量高于对照,其他指标与对照差异不明显;贮藏期间,各处理果实的转红、变软及腐烂等现象早于对照出现,氨基酸肥对提高冬枣果实贮藏期间总糖含量效果最显著,其次为矿物质肥和稀土肥,矿物质肥处理对提高冬枣果实贮藏期间VC含量效果最显著,各处理对冬枣总酸含量和果实硬度的影响不显著。采前肥料处理不同程度地提高了冬枣的果实品质,但给果实的贮藏带来了负面影响。 相似文献
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亚麻纤维是世界上最古老的纺织纤维 ,现在仍然光彩依旧。亚麻 (linen)的历史可追溯到 1 0 0 0 0年前。埃及的木乃伊是用亚麻布包裹的。耶稣的襁褓布也是亚麻布做的。在所发现的新石器时代古人类的遗址中 ,亚麻的各种碎片已经在瑞士境内被发现 ,有亚麻的茎、种子及亚麻纱、绳和织物。亚麻纤维来源于亚麻 (flax)这种植物 ,人工培植的亚麻的植物学名是linumusitatissimum ,可直译为“亚麻制品最有用”。亚麻植物是最宝贵的生态资源之一 ,它是一种可再生的资源 ,处处都是宝 ,并且亚麻在种植过程中无需使用除草剂和杀虫剂 ,可以说是一种绿色环保… 相似文献
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1 发酵废液制肥料是生态良性循环环境、经济、社会三效益相统一的举措 糖蜜发酵酒精、味精、酵母、赖氨酸等废液,属营养性污染物,让其排放将使水体消耗溶解氧,若加以利用则是营养性的资源。把发酵废液浓缩后作肥料,不但彻底治理了污染物实现零排放,且增加了社会的有机腐殖肥,改善了因施用无机化肥而产生的板结、咸化等土壤的物理结构,调整土壤缓冲与活性,并补充甘蔗从土壤中摄取的必需微量元素。实现“肥多-蔗糖多-酒精多” 或“肥好(有机、无机、NKP配比好)-蔗好(高产高糖)-糖多”的生态良牲循环,使生产持续发展。近… 相似文献
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介绍了利用天然彩棉、亚麻、细绒棉进行混纺生产特种生态环保型针织用纱的生产工艺与产品性能特点。针对亚麻纤维的特性,开发出亚麻二粗制取亚麻绒脱胶的工艺方法,选择了合适的纤维混纺比例,确定了合理的纺纱工艺路线、工艺参数,并制定了产品标准,使该特种纤维混纺纱线能够满足客户生态、环保的终端要求。 相似文献
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No-tillage methods can help to reduce expenditures and improve profitability of the agricultural production. This issue has been widely discussed for the cultivation of many species, but there are no data on the subject concerning oilseed flax. The field experiments were conducted in the years that vary widely in the course of temperature and precipitation. Tillage method significantly affected the yield of flax in the interaction with the weather conditions. In the dry year, the cultivation method did not differentiate the flax yield, while in the optimum moisture year no-till resulted in a reduction of yield compared to conventional tillage. Weed control with herbicide has contributed to increased yield of linseed but the level of increase was higher with no-till compared to conventional cultivation. The number and weight of weeds in no-tillage flax was 50% lower comparing to conventional plowing in both variants of weed control. Weed control decreased the number and weight of weeds also by 50% regardless of cultivation method applied. Cultivation systems affect the size and composition of the soil microbial populations. No-tillage contributed to an increase of humic substances content in the soil environment, the quantity of soil bacteria, and the population structure. 相似文献
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浅谈我省亚麻原料业现状及对今后发展的几点建议 总被引:1,自引:0,他引:1
黑龙江省种植亚麻历史悠久,是我国主要的种麻基地,自然条件较适合亚麻种植和生长,并具有丰富的种麻经验和初加工能力。随着客观因素的改变,我省亚麻主产区发生转移。为确保我省亚麻优势地位的发挥,对我省亚麻种植和初加工现状进行浅析,并提出几点建议,仅供参考。 相似文献
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采用斯特洛束纤维强力仪测量大麻和亚麻纤维,实测发现,束纤维质量、强力量程区间、隔距、卜氏夹头等对测量结果都有影响。在讨论和分析的基础上提出了适于麻类纤维强力测量的制样条件和测量参数的选择。 相似文献
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用红外光谱图研究了亚麻季铵基改性的化学机理,X衍射图表明,改性后亚麻纤维的结晶度下降。与普通亚麻织物相比,改性亚麻织物的断裂伸长率、弹性回复率、柔软性、悬垂性较好,且随着改性程度增加呈增大趋势。但是改性亚麻织物的断裂强力随着改性程度增大呈下降趋势。改性亚麻织物的通透性比普通亚麻织物稍差。 相似文献
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溶解—吸光法测定亚麻/棉混纺比 总被引:1,自引:0,他引:1
文章提出一种测定亚麻/棉混纺比的新方法,这种方法是根据亚麻和棉在一定浓度硫酸溶液中溶解后的吸光值不同来分析两组分混纺比的,该方法具有简便易行、准确度高的优点。 相似文献
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T. A. Rozhmina Y.-B. Fu A. Diederichsen K. W. Richards M. Pavelek Ms Miroslava Vrbova 《Journal of Natural Fibers》2018,15(2):155-161
The goal of this investigation was the interpretation of genetic polymorphism in flax using the random amplified polymorphic DNA (RAPD-PCR) technique in relation to genealogical information and eco geographic origin of the accessions. Protein markers have been successfully applied for identification of ecotypes of cultivated plants and for cultivar identification and registration. However, for intraspecific differentiation in flax effective protein markers have not been found. The DNA markers developed during the recent decades proved to be more efficient in detecting polymorphism in flax. The plant material were 287 accessions from the flax collection at the All-Russian Flax Research Institute (VNIIL) belonging to different botanical and eco-geographical groups based on the classification of the species Linumu sitatissimum L. On the basis of a molecular estimation the gene pool offlax it can be assumed that the fiber flax from northern continental Russia is not exclusively of Indo-afghan origin as suggested by Sinskaja (1959), but also has genetic roots in flax from Kolchidian. Essential genetic similarity between cultivar of fiber flax from Russia and other the European countries is established. Results of a generality of an origin of fiber flax cultivar from Russia are confirmed also with the analysis of their genealogy. Essential genetic polymorphism of linseed flax is shown. The distinctness of linseed and fiber flax in their genetic constitution as revealed by the RAPD analysis is of strategic importance in preservation of the genetic diversity and for efficient use of the flax gene pool in breeding. 相似文献