The study of the depositional structure of ancient crevasses splays by means of sedimentology and paleomagnetism is important for the floodplain. While the research on ancient trees, peats and pollens caused by paleoflood is useful to paleoflood discrimination.

在洪泛平原區(qū)，對古潰口扇采用沉積學(xué)、地球物理學(xué)方法研究其沉積結(jié)構(gòu)，對確定古洪水事件具有積極意義99精品视频精品；通過古洪水所產(chǎn)生的埋藏古樹、泥炭及沉積物中花粉的研究也有助于對古洪水事件的識別亚洲久操视频网。

Objective to study the difference of nutrient of domestic and foreign peats, through the analysis of the chemical characteristics of domestic and foreign peats.

通過對國內(nèi)使用較廣泛的進(jìn)口泥炭和國產(chǎn)泥炭的養(yǎng)分研究，明確國產(chǎn)泥炭與進(jìn)口泥炭之間的養(yǎng)分差異免费的国产黄网站和视频。

This article was to improving the utilization efficiency of domestic peat for horticulture by the comparisons of nutrient of domestic and foreign peats.

通過國內(nèi)外泥炭養(yǎng)分含量的比較爆乳人妻无码不卡二区，為提高國內(nèi)泥炭資源的園藝?yán)眯侍峁├碚撝С帧?/p>

The results showed that the disease incidences were altered with the cultivation substrates.Using peats as the substrate could reduce the disease incidences.

研究結(jié)果表明：栽培基質(zhì)的不同對細(xì)菌性軟腐病的發(fā)病率影響顯著，用泥炭作基質(zhì)能降低發(fā)病率一级毛片视频免费入口。

So there will be in southern Brandenburg a landscape which is dominated by large lakes, the old peats will be filled with water later on.

于是原來的礦坑將來會注滿水干美女阴部视频一区,二区，在布蘭登堡南部形成以大湖為主的景觀。