The growth and development of upland rice root system were studied by three-dimensional coordinate container method.
采用自创的“三维坐标容器法”，研究了潮砂土、红壤土、水稻土对陆稻根系生长发育的影响。
They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.
这些转化结合子在高铵下表现出固氮活性，并能集聚在水稻根表，而野生型菌在相同条件下远离水稻根表。
It was supposed that proper root number, much branches and deep-root is a development direction of breeding for ideal type root system in rice.
提出控制根数量、适当增加分枝根数目和加深根分布是未来开展水稻根系育种、塑造水稻理想根型的基本方向。
Adequate root number, deep root system, and efficient root activity per unit of root biomass will be needed for high-yield rice in the future breeding programs.
提出了未来水稻根系育种的一个方向，既适当控制根系的数量，增加根的平均长度，加深根在土壤中的分布，扩大根系的面积以及提高单位根量的根功能。
The rice varieties with strong root system, large active absorption root surface and total root surface area had strong tolerance to copper poison.
根系发达、根系活跃吸收表面积及总吸收表面积大的品种，有较强的耐铜毒性。
Reseacrch also showed that one of the key measure to get hight yield of rice is to promote root system development though fertilizer application control.
研究还表明：在高温多雨的水田生态系统中，通过人控施肥调节、促进水稻根系发育，是夺取水稻高产措施之一。
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。
To ascertain the root properties of hybrid rice and mechanism of increasing yield under different tillage system.
目的探明不同耕作方式下杂交水稻根系特性及增产的机制。
Experimental results also indicated that upland rice, with strong root system and high water uptake ability, is rather suitable to the hilly red earth area.
旱稻根系发达，吸水吸肥和抗旱能力强，特别适宜丘陵地区种植。
Experimental results also indicated that upland rice, with strong root system and high water uptake ability, is rather suitable to the hilly red earth area.
旱稻根系发达，吸水吸肥和抗旱能力强，特别适宜丘陵地区种植。
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