Germination rate was improved when AMF spores were germinated in the treatments of soil, peat and secretory products of host root; up to 96% of spores were found to germinate when"the improved sandwich method"was used.

AM真菌孢子在土壤中的萌發(fā)和芽管的伸長受各種因素如礦物質(zhì)的種類和濃度、pH值野花官方app、溫度人人澡人人玩人人爽欧美一区、濕度、光照和宿主植物根的分泌物等的影響青椒高清在线观看免费观看AV。

Five different types of substrates (corncob, peat, soil and chicken dung) were used in melon culture in greenhouse after composting, and their physical and chemical properties and effect on melon yield were investigated.

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The genesis is suggested that the input of terrigenous OMs from soil and peat are important, or it may be caused by that marine biomass were strongly degraded and oxidized by aerobic bacteria in an acidified and freshened upper water column.

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Is a professional wood processing enterprises, to crafts, children's toys for lead products and kitchenware, household items, a combination of peat soil, grain and oil, such as a variety of operating projects.

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The best treatment is an optimum scheme of combination chicken manure 50 kg with peat 20 kg for amending soil to increase roots quantity and improve fruit qualities of peach.

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The air-filled porosity, water retention and water released under -2.16 kPa —-17.28 kPa of the casing soils increase with the increasing in the ratio of peat to soil.

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The results showed that there was most distinct difference in rooting rate among seedling varieties, rooting substrates, among them, substrate mixed with cultivate soil and peat soil in proportion of 7-3 was the best one , 500mg/l NAA and IBA solutions had no distinct effect on enhance rooting, covered with plastic membrane had most distinct excelled to which covered none.

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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.

通過盆栽試驗(yàn)比較了在不同鎘污染程度的土壤條件下種植菜心国语对白人人操,人人曰，施用泥炭、木屑欧美精品久久久久久久久、有機(jī)肥和稻草秸桿等有機(jī)物料后女女激情毛片，對(duì)抑制菜心吸收鎘的效果。

In addition, there are constrained by the rock of the limestone soil and purple soil, and thick bone soil, paddy soil, brown soil, aquic soil, peat, marsh land, Carboniferous soil, rocky soil, mountain meadow soil, red clay, the new soil, such as soil type.

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The twig production of different clones is different, from 5.5 twigs per month to 14.8 twigs per month. The rooting rate, root number and root length change regularly as the concentration of IBA goes up from 0.05 to 2.00 mg/L. At the concentration of 0.05 mg/L ppm IBA, rooting rate and root length are the highest. Cutting substrate also has eminent effect on rooting rate and survival rate, 50% peat plus 50% sub-top soil is the best substrate. The survival rate differs greatly among clones, from 56.7% to 90.0%. Rooting rate and survival rate change regularly as season changes. The rooting rate of May and June is middle, that of July and August is high and that of September and October drops rapidly. The survival rate is low in May, September and October and high in June, July and August.

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