再生稻根干物质量及根系活力与产量的相关性研究 关键词 再生稻 根系活力 产量 相关性 [gap=1217]Key words Ratoon rice，Activity of root system，Yield，Correlation
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On the root system activity, the endurance of chilling and the yield, Jinyou 30 and Jinlv 3 were highest, but Jinyou2 and Beijixing were low.
在根系活力、耐低温性和产量方面，津优30号和津绿3号最好，津优2号和北极星低。
The effect of nitrogen fertilizer on soil enzymatic activity and rhizosphere microorganisms of Yumai 49-198 root system was studied in this paper.
在大田高产栽培条件下，研究了不同施氮水平对豫麦49-198根际微生物和土壤酶活性的影响。
The effect of magnet on the rate of photosynthesis, root system activity, nutritious absorbality and amylase activity of such crops as tomato, cucumber and sweet pepper was studied.
本文报道了磁对番茄等作物增产的生理学效应。 主要表现在提高光合速率、根系活力、吸养能力及淀粉酶活性等方面。
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