It spreads primarily by underground stems; colonies form when pieces of the root system or whole plants float into an area and take root or when seeds float into a suitable area and germinate.
它主要通过地下茎传播；当根系统碎片或整个植物漂浮到一个区域并生根，或当种子漂浮到一个合适的区域并发芽时，菌落就形成了。
Differences in the requirements of plant species for potassium fertilization are often attributable to the kind and activity of the root system.
各种植物对钾肥的不同需求，常归因于根系的特性和活力。
At maturity the root system is extensively nodulated.
在成熟时，根系普遍具有根瘤。
The relations between soil water content and the root system formation of rice seedlings were studied with pot experiments.
采用盆栽试验，研究土壤水分与水稻秧苗根系形态建成的关系。
Within the mechanics research of the root system, we try to analyze with quantification the destroying rule through directly indoors cutting test.
在草的根系的力学研究中，通过室内直接剪切试验来定量分析土体的破坏规律。
The effect on the root system and nodule of faba bean under different fertilizer treatments were studied with the cultivar 89-147 under farm experiment.
以蚕豆品种89-147为材料，在大田条件下研究了不同施肥处理对蚕豆根系及根瘤的影响。
Resistant and susceptible varieties of soybean were planted continuously in different types of soil and the number of cyst nematode in the root system was counted.
研究了在不同土壤类型条件下连种抗病品种和感病品种后，大豆孢囊线虫数量变化。
The results showed: compared with traditional irrigation, drip irrigation under plastic mulch could reduce the height of cotton, lessen the number of cast bolls and centralize the root system.
结果表明：膜下滴灌与传统灌溉相比，可以降低株高、减少蕾铃脱落和使根系集中。
Through pot culture, the author studied the formation characteristics of the root system of rape seedlings planted in strong acid soil and the absorption of phosphorus through the root system.
盆栽试验研究了不同施磷水平的强酸性土壤上油菜幼苗根系形态特征及其对土壤磷素吸收。
The root system of the soybean consists of a taproot formed by the radicle.
大豆的根系包括由胚根形成的主根。
The root system of the soybean consists of a taproot formed by the radicle.
大豆的根系包括由胚根形成的主根。
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