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A field experiment using OTC(open-top chamber)was carried out with treatments different in nitrogen supply0, 5, 15 gm^(-2 and CO2 level 350 vs 700 μmolmol^(-1 to investigate effects of the treatments on biomass and root/shoot ratio of Calamagrostis angustifolia.

利用开顶箱薰气室(open-top chamber)试验装置,研究了不施氮、施常氮MN, 5gm^(-2和施高氮HN, 15gm^(-23个氮素水平下大气CO2浓度升高对小叶章生物量和根冠比的影响。

Calcareousness lime and plant ash could control this disease applied only, the optimum applying method is mix potassium permanganate with calcareousness lime base on compost in different plant period in growing season..

石灰或草木灰塘施或对水浇施,腐熟农家肥和石灰或高锰酸钾配合使用对根肿病的发生均有较好的抑制作用;单施农家肥和高锰酸钾对根肿病控制效果不理想,用腐熟农家肥作底肥+1%石灰水播种后浇塘+1%石灰水三叶期浇根+1%石灰水六叶期再浇根的组合模式可以有效地控制对根肿病的发生与危害。

The experiment studied the effects of applying different amount of B and Zn to peanuts growth, development and yield. The results showed that by supplying rational micro-fertilizer of Boron and zinc, the growth and development of the first pair cotyledonary branch, root nodules leaves and pods could be promoted, the yield was significantly increased on the basis of supplying rational Nitrogen, Phosphorus and Potassium. In this experiment, supplying Boron 7.5 kg/hm^2 and 11.25 kg/hm^2 could increase by 6.87% and 8.19% in comparison with CK, supplying Zinc 7.5 kg/hm^2 and 11.25 kg/hm^2 could increase by 7.17% and 5.20% in comparison with CK.

采用大田试验研究了增施不同量硼、锌微肥对花生生长发育和产量的影响,结果表明,在合理施用氮、磷、钾肥的基础上,适量配合施用硼、锌微肥可以明显促进花生一生的生长发育,增加花生第一对侧枝长、单株根瘤、叶片和荚果数等,显著提高花生产量,其中增施硼肥7.5和11.25 kg/hm^2的处理比较对照分别增产6.87和8.19%,增施锌肥7.5和11.25 kg/hm^2的处理比较对照分别增产7.17和5.20%。

Application of MNPK significantly increased the potentially mineralizable nitrogen (N0) and the rate of N mineralization.

化肥长期配施有机肥或秸秆,显著提高了土壤氮素矿化势(N0)以及矿化率,其中化肥配施有机肥土壤浅大于化肥配施桔秆处理。

Responsibility To lead realization of the bench/machine: follow up from supplier selecting, assembly, final adjustment, prequalification to final qualification in customer, to control schedule, cost and quality and communicate...

施耐德电气公司施耐德电气公司作为一个专业致力于电气工业领域的电气公司,拥有悠久的历史和强大的实力,输配电,工业控制和自动化是施耐德电气携手并进的两大领域。

And Jehoash the son of Jehoahaz retook the cities out of the hand of Ben- hadad the son of Hazael that he had taken in war out of the hand of Jehoahaz his father; Joash struck him three times and recovered the cities of Israel.

13:25 从前哈薛和约阿施的父亲约哈斯争战时所攻取的城邑,现在约哈斯的儿子约阿施,都从哈薛的儿子便哈达手中夺回;约阿施三次打败便哈达,收回了以色列的城邑。

The result showed that the dosage of 5000 IJs/plant was the best one among the 8 dosages, the average of injured legume (3.l%) with BPS was significant lower than that of 40% isofenphos-methyl solution (9.0%) and than that of tap water (53.2%). The rate of grub decrease (95.7%) and the dry weight of peanut (5941.5 kg/ha) with BPS were significant different (P.05) to that of with 40% isofenphos-methyl solution (82.7%, 303.8 kg). The application of BPS was better with irrigation than with spray. At the dosage of 5000 IJs/plant, the combination of BPS and Rhabditis sp.(4500:500) did not show conflictive, coordinate or synergistic effect to grub control.

结果显示:在8个处理剂量中,以5000 IJs/穴的剂量田间效果最好,花生荚果受害率(3.1 %)显著低于40 %甲基异柳磷对照的(9.0 %)和清水对照的荚果受害率(53.2 %),蟒螬减退率(95.7%)和平均产量(5941.5 kg/hm^2)也与40%甲基异柳磷对照的(82.7%, 303.8 kg)有显著差异(P.05);灌施效果显著好于喷施;在5000 IJs/穴的剂量下,混合喷施BPs线虫和小杆线虫(4500:500),未表现出相克、协同或加性效应。

In order to seek for the cotton glyphosate phytotoxicity safener, matches 7 effective content processing respectively with 0.1% forchilorfenur SL and 0.004% brassins AS, the bud stage time spraying, and uses effective content 2.73 g/L glyphosate 41% SL to spraying cotton, take single application glyphosate and the blank as the comparison. The results show that the forchlorfenur and the brassins are not fast to the disintoxicating effect, but have bears the poisonous effect.

为寻找棉花田草甘膦药害安全剂,用0.1%氯吡脲SL和0.004%芸苔素内酯AS各配成7个处理,蕾期按小区喷施,再用2730mg/L的41%草甘膦异丙胺盐SL喷施棉花,以单施草甘膦和空白为对照,结果氯吡脲和芸苔素内酯对草甘膦药害无快速明显解毒效果,但有耐毒功效。

2Soil column leachate experiment shows, soil texture and soil section form are the main factors affecting the nitrate leaching; in soil organic fertilizer produce a nitrate leaching process, during five-month experiment, nitrate content has be increasing in leakage solution, organic fertilizer applying decrease the pH and increase the electric conduction of leakage solution, there is positive action between nitrate content in leakage solution and electric conduction, which shows that nitrate-N accumulation during organic fertilizer applying is one of the main factors for soil salification; for decrease the leaching of the nitrate-N in soil, in sandy moisture soil the best amount of organic fertilizer should be 7.5~ 15 t·hm~(-2), in Loamy moisture

在小麦-玉米轮作体系上投入化肥氮300kg·hm~(-2)N和有机肥22.3t·hm~(-2)折N261.2kg·hm~(-2,能使农田氮素收支达到平衡,在兼顾环境效益的基础上获得了较高的产量效益。并通过肥料效应函数和硝态氮累积效应函数进一步预测最佳施肥组合,即化肥氮施用量为N226.5kg·hm~(-2),有机肥用量为39.9t·hm~(-2)折N466.8kg·hm~(-2,其中小麦季施化肥氮105.85kg·hm~(-2)N、有机肥30t·hm~(-2)折N351kg·hm~(-2,玉米季施化肥氮120kg·hm~(-2)N,有机肥9.9t·hm~(-2)折N115.8kg·hm~(-2。同时,磷素平衡分析表明,在施用有机肥的基础之上,化学磷肥的施用量应适量的减少或不施。

The above facts indicated that silicon accumulation in the rice leaf sheath inside, the leaf surface and the sclerenchymatous cell, played the physical barrier role, delayed the hypha of sheath blight expansion.5、Analysing the physiological and biochemical mechanism of the resistance to rice sheath blight improved by silicon application in several respects.(1) After being inoculated with R.solani, O2 and POD activities disordered, CAT activities obviously declined. O2 producingvelocity in 91SP\'s leaves and leaf sheaths of Si+ rice plants were lower than those of Siriceplants, MDA content in leaves and leaf sheaths of Si+ rice plants were lower thanthose of Si- rice plants significantly in three days after inoculating, SOD、POD、CATactivities in leaf sheaths of Si+ rice plants were higher than those of Si- rice plantssignificantly in one day after inoculating, SOD、POD、CAT activities in leaves ofSi-treatment were higher than those of Si- rice plants significantly in three days afterinoculating. O2 producing velocity and MDA content in Lemont\'s leaves and leafsheaths of Si+ rice plants were lower than those of Si- rice plants significantly afterinoculating, and SOD、POD、CAT activities of Si+ rice plants were higher than those ofSi- rice plants significantly.

说明硅在水稻叶鞘内侧、叶表和厚壁细胞积累,起到了物理屏障的作用,延缓了纹枯病菌的扩展。5、阐明了施硅增强水稻抗纹枯病的生理生化机制(1)接种纹枯病菌后,两个水稻品种91SP和Lemont的叶鞘和叶片超氧阴离子自由基O2性紊乱,CAT活性明显下降;抗病品种91SP叶鞘和叶片施硅处理的O2产生速率小于缺硅处理,叶鞘和叶片MDA含量在接种第3 d后显著低于缺硅处理,叶鞘SOD、POD、CAT活性在接种1 d后一直显著高于缺硅处理,叶片SOD、POD、CAT活性在接种3 d后显著高于缺硅处理;感病品种Lemont叶鞘和叶片施硅处理的O2产生速率、MDA含量始终显著小于缺硅处理,SOD、POD、CAT活性始终显著大于缺硅处理。

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