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In view of the problem of slope protection's high cost which results from high cost of peat, The pot experiment on grass was carried out with the muck, the straw stalk, the cow dung, the waste of mushroom that replaced the peat coal to study the effects on grass growth and nutrient change of various materials .

针对护坡基材中泥炭价格高而导致护坡工程造价高的问题,本研究在盆栽条件下,用秸秆、牛粪、食用菌渣、污泥等农业废弃物代替泥炭,研究各种基质对草生长及其养分变化的影响。

We optimizated three better combinations, peat :coal dreg(volume ratio 1:1),perlite : coal dreg (1:1)and perlite :sand: coal dreg1:1:1

利用加权平均数的评价,筛选出三个较好的盆栽草莓基质配方:草炭:煤渣(体积比1:1),珍珠岩:煤渣(1:1)和珍珠岩:河沙:煤渣(1:1:1)。

A pot experiment was conducted for comparing effects of soil amendments with peat, wood bits, organic manure and rice straw on cadmium accumulation in Brassica parachinensis cultivated in Cd contaminated and uncontaminated soil.

通过盆栽试验比较了在不同镉污染程度的土壤条件下种植菜心,施用泥炭、木屑、有机肥和稻草秸杆等有机物料后,对抑制菜心吸收镉的效果。

In the pot experiment, the lead ion concn. in the dry soils was set as 0, 100, 500, 1000, 2000 and 3000 mg/kg, the content of Pb in aerial parts and root of M. sativa and B. juncea were detected and the total migration amount of Pb, root tolerance index and enrichment coefficient were calculated.

方法]采用盆栽试验,土壤中铅离子浓度为0、100、500、1000、2000、3000 mg/kg干土,测定紫花苜蓿、印度芥菜地上部和根部的铅含量,计算铅的迁移总量、根系耐性指数、富集系数。

The effect of lead treatment on the soil microbial biomass carbon, microbial biomass nitrogen, micro-bial activities, rice physiological indices and rice biomass in the interactive system of soil-rice-lead and microbe, were studied by a greenhouse pot experiment. Lead was applied at six different levels in two different paddy soils, namely 0, 100, 300, 500, 700 and 900 mgkg^(-1) soil.

盆栽试验研究了土壤-水稻-铅-微生物相互作用的体系中,外源铅不同处理水平CK、100、300、500、700、900mgkg^(-1对两种水稻土壤微生物生物量碳、氮,微生物活性,水稻生理指标及生物量的影响。

Effects of calcium magnesium phosphate and silicon fertilizer (Na 2SiO 3) on the growth and the uptake of Cd, Pb, Zn, Cu, Mn, Fe, N, P and K by pakchoi were studied through pot experiment with cadmium, lead, and zinc contaminated soil.

采用盆栽方法研究在 Cd、Pb、Zn污染的酸性土壤上,钙镁磷肥和硅肥对小白菜生长及污染元素和养分元素(N、P、K、Mn、Fe、Cu)吸收的影响。

Using soil culture and micro-field experiment, we study the effects of controlled release nitrogen fertilizer on growth, physical index, output and fertilizer utilization ratio of the lettuce by comparing the controlled release nitrogen fertilizer with commercial quick-acting N fertilizers at different available N level.

采用盆栽和田间试验,探讨了控释氮肥脲甲醛不同供氮水平条件下的肥料效应;并采用微区试验比较了控释氮肥与其他速效氮肥品种对莴苣生长,形态指标,产量及利用率的影响。

A pot experiment in greenhouse was carried out to study seasonal variations of CH 4 fluxes from rice paddy soils and the effect of land management in winter crop season on the seasonal variations.

通过温室盆栽试验对水稻土CH4 排放的季节变化及冬作季节土地管理的影响进行了研究。

N_2O fluxes over a vegetable-growing season were measured in an outdoor pot experiment to identify key soil parameters affecting N_2O emission.

选取7种具有10a以上种植史的菜地土壤,通过室外盆栽试验研究施尿素条件下影响冬季菜地 N2O 排放的主要土壤因素。

Solanacearum (strains SSF-4) in vitro with the inhibition zone of 5 mm. The disease-control efficiency against tomato bacterial wilt in pot was 63.4%.

菌株YPP-9对茄科雷尔氏菌SSF-4的平板抑菌带宽为5 mm,其盆栽控制番茄青枯病的效果达63.7%。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。