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Four groups of experiments with different level--indoor simulation experiments, lysimeter experiments, pot culture experiments and field plot experiments-- were carried out to systematically study the environmental effects following the application of fermentation sludge to farmland in Tianjin area, which include soil salinity and potential contamination on ground water, and to primarily investigate the fertility of NovoGro in agricultural soil.

本论文通过四组不同层次的实验—室内模拟实验、渗滤实验、盆栽实验和小区实验,首次对酿造污泥农业利用可能产生的环境影响:1NovoGro对土壤的盐分效应;2NovoGro对地下水的潜在污染,进行了比较系统的研究,同时对NovoGro的肥效特性也做了初步的探讨。成功地解决了制约酿造残渣在天津地区农业利用的关键问题,为酿造污泥的综合利用提供了科学的依据。

S extract had an inhibition effect against Sphaerotheca fuligenea,The inhibition rate was 100% when extract concentration was 20mg/mL and the inhibition rate got to 67.66% even at the concentration of 2.5mg/mL. The extract of E. humifusa had different preventive effects against four strains of S. fuliginea from four districts in Shanghai. The preventive effects on the Qibao and Baoshan were better than those of Nanhui and Qingpu. The microorganism inhibition experiment by filter papers indicated that the extract of E. humifusa had higher inhibition effect against bacteria than on pathogenic fungus. Diameters of the zone of inhibition of salmonellas, Echerichia coli and Staphylococcus aureus were 15.77mm, 12.27mm and 10.53mm respectively. The extract of E. humifusa had a certain effect against Colletotrichum lagenarium, Botrytis cinerea, Rhizoctomia solan and Pyricularia oryza but no effect against Helminthosporium maydis and Gibberella zea. The 4 cation exchange resins and ethanol deposition were used to isolate the active fractions from supernate after alkali deposition.

提取液对黄瓜白粉病菌体外分生孢子萌发抑制实验表明地锦提取液对黄瓜白粉病菌分生孢子的萌发有很好的抑制作用,抑制率随着地锦提取液浓度的增大而增高,当浓度为20mg/mL时,抑制率达到100%,即使在浓度为2.5mg/mL时,抑制率也达到了67.66%;室内盆栽苗期预防性实验表明了地锦提取液对上海4个不同地区的黄瓜白粉病菌均具有不同程度的抑制效果,对七宝和宝山地区的菌株抑制效果优于南汇和青浦地区的菌株;用滤纸片法测定了地锦提取液的抑菌谱,实验结果表明地锦提取液对供试的4种植物病原真菌:黄瓜炭疽病菌、黄瓜灰霉病菌、水稻纹枯病菌和水稻稻瘟病菌均具有一定的抑制效果,而对玉米小斑病菌和小麦赤霉病菌没有抑制效果,对供试的3种人类致病细菌沙门氏菌、大肠杆菌和金黄色葡萄球菌均具有很好抑菌效果,抑菌圈直径分别为:15.77mm, 12.27mm和10.53mm。

The compound medium can improve the matrix physicochemical property, reduce badness reaction of the single medium and promote the growth of the cyclamen, decrease the turfy usage dosage and lowered the cost in a precondition of ensuring the quality, achieve the resource utilization of the coco peat.

本发明的复合基质,能够改善基质理化性状,减少单一基质的不良反应,促进仙客来的生长,减少了泥炭的使用量,能够在保证盆栽仙客来商品品质的前提下降低了生产成本,实现了椰糠的资源化利用,具有明显的社会效益、经济效益和环境生态效益。

And meanwhile, the result show that, stomatal restriction was the main factor of the net photosynthetic rate's decrease in the leaves of 4 Dactylis glomerata L. when stress in slight water stress and the non-stomatal restriction was the main factor of the net photosynthetic rate in the leaves of 4 Dactylis glomerata L.

盆栽控水条件下4份鸭茅光合作用机理的研究表明,随着干旱胁迫程度的加强,4份鸭茅种质的净光合速率、蒸腾速率、气孔导度及叶绿素含量均有较大幅度的降低,其中抗旱性强的ZXY04P-201下降的速度慢,幅度小,而抗旱性差的ZXY04P-239下降速度快,幅度大。

Increased at different extent and the content of GA3 and ZR were all down under drought stress, while the content of IAA had a different trend according to different material. The general trend of coordination among 4 endogenesis hormones was closeing the stoma and promoting the growth of root,whereas the coordination mechanism of different Dactylis glomerata L.

盆栽控水条件下4份鸭茅内源激素变化的研究结果显示,随着干旱胁迫程度的加强,四份鸭茅ABA含量整体呈上升趋势,GA3和ZR的含量则呈下降趋势,IAA的含量因材料不同表现出不同的变化趋势,干旱胁迫下四种内源激素的协调总趋势是向着气孔关闭,促进根系发展的方向进行。

Copper contaminated soil was selected, Brassica juncea and Elsholtzia splendens plants were used, then simulation experiment, hydroponic culture, column leaching experiment and pot experiment were conducted to study (1) effects of organic chelants on the Cu specition in soil solution and soil soild phase;(2)Effect and mechanism of organic chelants on plant growth and Cu uptake by plant;(3) nutrient addition on plant growth and Cu accumulation;(4) limitation of chelant in soil;(5) Desolving on nutrient and heavy metals in soil and their environmental risk by chelant application and (6) effects of degradable organic chelant and microbial materials on plant growth and phytoremediation efficiency of Cu contaminated soil.

选择铜污染土壤,利用印度芥菜和海州香薷植物,通过室内模拟试验、水培试验、土柱淋溶试验、温室盆栽试验,开展了以下六方面的工作:(1)有机络合剂对土壤铜固-液相形态、浓度变化的影响;(2)有机络合调控对对植物生长与铜吸收的影响及其机理;(3)养分调控对植物生长和铜积累的影响;(4)有机调控剂的作用时限;(5)有机物对土壤养分、重金属的络合溶解和淋溶作用与环境风险;(6)可降解络合剂及微生物菌剂对海州香薷修复污染土壤的效应。

The fungicidal activity of methanol extract was higher than that of ethyl acetate extract, and the inhibition rates were higher than 90% against Alternaria longipes, Fusarium oxysporium, Gibberella zeae, Glomerella cingulata, Exserohilum turcicum under the concentration of 1000g/mL The results of the inhibition of spore germination indicated that the fermentation products exhibited obvious inhibition rate against Alternaria longipes, Exserohilum turcicum and Fusarium coeruleum, the EC50 values was 59.4g/mL, 96.5g/mL and 132.5g/mL. In the bioassay of the fermentation products against Bacillus sub tills and Bacillus cereus, by means of detection fo inhibition zone, the inhibition zone diameter was 20mm and 27mm. The results of pot tests that methanol extract showed higher than 70% of protective efficacy and therapeutic efficacy against wheat powdery mildew under the concentration of 2000g/mL.

其中,甲醇提取物的抑菌活性比乙酸乙酯提取物强,在1000g/mL浓度下对烟草赤星病菌、马铃薯干腐病菌、小麦赤霉病菌、苹果炭疽病菌、玉米大斑病菌的菌丝生长抑制率均大于90%;抑制孢子萌发法试验结果表明,2K3菌株菌丝体的甲醇提取物对烟草赤星病菌玉米大斑病菌和马铃薯干腐病菌的EC50分别为59.4g/mL、96.5g/mL和132.5g/mL;管碟法生测结果表明,2K3菌株菌丝体的甲醇提取物对枯草芽孢杆菌和蜡状芽孢杆菌的抑菌圈直径分别为20mm和27mm;盆栽试验结果表明,2K3菌株菌丝体的甲醇提取物在2000g/mL浓度下对小麦白粉病的治疗和保护作用均在70%以上。

Variety widely cultivated in south China,were studied by foliar 1.5 g L-1 CCC application after pot planting virus-free plantlets at the stage of budding.It was found that at the stage of tuber bulking,spraying CCC plays a prominent regulating role in the photosynthesis of Zhongshu 3.The net photosynthetic rate,stomatic conductance,intercellular CO2 concentration and transpiration rate of leaves were superior to those of the control.CCC markedly increased the contents of chlorophyll and carotenoid.CCC significantly increased the leaf photosynthetic productivity and improved economic yield.

品种广泛种植,在中国南方,研究了叶面肥1.5克升- 1 CCC认证申请后,盆栽种植无病毒的植株在阶段budding.it被发现,在阶段的块茎膨胀,喷涂中华基督教会扮演一个突出的调节作用,在光合作用的中枢三,净光合速率( 1 ),气孔导度的,胞间CO2浓度和蒸腾速率的叶片均优于那些该control.ccc显着增加的内容,叶绿素和carotenoid.ccc显着增加叶片光合生产力,以及改善经济产量。

Applied with test of potted plant and measurement absorbency for study response of the contents of photosynthetic pigments of slash pine's half-sib under water stress. There are 7 families comparison with general slash pine. The contents of photosynthetic pigments are mensurated under feebleness water stress while soil water content is 55% to 60% and moderate water stress while soil water content is 35% to 40% and heavy water stress while soil water content is 20% to 25%. The test result indicate that either water grads or families of chlorophyll and chlorophyll a and chlorophyll b and Chla/Chlb and carotenoid and Caro/Chl are mighty notable difference. The Chl and Chla and Chlb and Chla/Chlb little drop from normal soil water to initial water stress. Then drop obvious with increased water stress. The Caro and Caro/Chl little drop firstly from normal soil water to initial water stress,then up in metaphase water stress,after drop in evening water stress. The Chl and Chla and Chlb and Chla/Chlb and Caro of slash pine'half-sib are over general slash pine. The Chl and Chla and Chlb and Chla/Chlb and Caro of 464 and 1027 are over average value of slash pine's half-sib under water stress. The Caro/Chl of 609 and 46 are over average value of slash pine's half-sib under water stress.

为研究湿地松半同胞家系光合色素对水分逆境的响应,采用盆栽试验和吸光度测定方法,以湿地松普通种子为对照,测定了七个湿地松优良半同胞家系在弱度水分胁迫(土壤相对含水量为55%~60%)、中度水分胁迫(土壤相对含水量为35%~40%)和强度水分胁迫(土壤相对含水量为20%~25%)条件下的光合色素,对湿地松优良半同胞家系在不同水分胁迫条件下的光合色素进行了研究,结果表明:无论是不同水分梯度还是不同家系水平,Chl、Chla、Chlb、Chla/Chlb、Caro、Caro/Chl均有极显著差异;从正常水分至水分胁迫初期Chl、Chla、Chlb、Chla/Chlb稍微下降,后随着水分胁迫程度的加深下降较快,从正常水分至水分胁迫初期Caro、Caro/Chl先稍微下降,胁迫中期上升,胁迫后期下降;所有半同胞家系的Chl、Chla、Chlb、Chla/Chlb、Caro高于普通种,在水分胁迫条件下家系464、1027的Chl、Chla、Chlb、Chla/Chlb、Caro高于家系的平均水平,家系609、46的Caro/Chl值高于家系的平均水平。

His "magic" with growing things was largely the result of his patient testing of different combinations of sand, loam and clay as potting soil for various plants, his experimentation with different amounts of sunlight and water, and his tracking down of damaging insects and the like.

他的&魔术&,与越来越多的东西,主要是由于他的病人测试的不同组合,砂,壤土及粘土作为盆栽土壤中的各种植物,他的实验与不同数目的阳光和水,还有他的追查破坏昆虫和像。

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