Proline单道可调移液器3
英文名称: Proline单道可调移液器3
型号:: 720080
价格:请致电:010-57128832,18610462672
品牌: finland    产品商标: proline

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原状根部取样钻

研究根部可以让我们更了解树木和植物根部生长(深度和密度)的可能性。

通常来讲植物在土壤里都应该有密集广阔的根部系统,它能够让植物更充分地利用土壤。如果营养和水分都很充足,那么根部分布越广,吸收就越充分。测量根部系统也是土壤剖面中天然的物理以及/或者化学屏障。

如果研究的根部看起来不太平常,那通常是以下因素造成的:

· 土壤层太硬,根无法穿透。例如耕犁层、沼矿、厚重的黏土以及肥土层;

· 土层差别太大,例如黏土与沙土,富含腐殖质的土壤和不含腐殖质的土壤(沙地)等;

· 地下水过高;

· 地下水平面波动太大;

· 酸性土层;

· 土壤下层氧气含量太少。

比较不同土壤样品的根部密度时,样品的表面和里面

都一定要相同。

特点:

· 强化切割头,使用更便捷,延长寿命;

· 可以更换切割头

· 螺杆样品推出装置,使取样更容易,且不受扰动;

· 带打击头的设计,可用尼龙榔头将根钻打击进入土壤

参数

· 长度1,可选2延长杆

· 取样直径8厘米

· 取样长度15厘米

产地:中国