Water regimes exhibited no effects on bacterial-feeding nematodes, fungal-feeding nematodes, microbial biomass C and microbial biomass N during rice tillering and heading stages.
不同水分管理方式在水稻分蘖期、抽穗期对食细菌线虫数量、食真菌线虫数量、微生物量C和微生物量N没有影响。
The effects of Cu on rice at same level of N fertilizer were studied.
本文研究了微量元素铜在同样的氮肥量水平下对水稻生育的影响。
Results from sterile experiment for rice organic N nutrition showed that amino acid could be directly taken up by plants.
用此无菌培养试验法进行的水稻有机氮营养试验证明，水稻能直接吸收根际营养液中的氨基酸。
The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied.
通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
The results of 15N tracing showed that the fertilizer-N uptake in rice plant and grain of two varieties increased with the advance of growth stage.
示踪结果显示，两个品种水稻植株和籽粒吸收肥料氮，都随着生育期的推移而逐渐增加。
Compared with SPAD readings, the normalized redness intensity (NRI), with a high rvalue of 0.541-0.780 with conventional N parameters, could better express the N status of rice.
红光标准化值与叶绿素仪SPAD读数相比能更好地表征水稻幼穗期的氮素营养状况， 与常规测试指标的相关系数介于0.541～0.780之间。
The effect of N, P and K on protein content of rice has been studied with mathematical models. Single factor effect, double factor effect and marginal factor effect have been analysed.
利用数学模型研究了肥料N、P、K对糙米蛋白质含量的影响，分析了单因素效应、双因素效应、边际效应。
Soil moisture and nitrogen (N) nutrient are the principal factors affecting rice quality.
土壤水分和氮素营养是影响稻米品质的重要因子。
The amount of demand for N, P and K, especially the ratios of P and K requirement of super high yielding japonica hybrid rice plant were higher than those of high yielding rice.
在养分积累、分配与利用上，超高产条件下，稻株对N、P、K三要素的吸收量增加，特别是P、K的吸收量增加明显；
The texture of cooked rice and the eating quality of rice varieties from the different eras were not improved with N supply from LN to MN.
适当增加供氮浓度，不同年代育成的籼稻品种的米饭质地和食味没有得到大的改善；
The effects of N application rate on the characters of uptake nitrogen and nitrogen recovery of different rice varieties was studied under field conditions.
在苏南太湖流域，对不同氮肥施用水平下水稻的产量、氮肥利用率及氮肥水环境损失进行了研究。
A set of reciprocal introgressive line populations was used to study phenotypic index, physiological index and yield characteristic of rice under normal and low-N conditions.
同时利用一套双向导入系群体，分别在正常和低氮条件下考察相应形态指标、生理指标和产量性状。
Secretary of State Condoleezza Rice told the U. N. Security Council Tuesday that Israel has agreed to open a humanitarian corridor into Gaza starting Wednesday.
美国国务卿赖斯星期二在联合国安理会上表示，以色列同意从星期三开始，在加沙开通一条人道走廊。
The amount of fixed N during jointing—maturing stage was over 70% of whole rice growth stage.
拔节期—成熟期的固氮量占整个生育期固氮量的70％以上；
The effect of the planting density and the application amount of N-fertilizer on the yield and agronomical character of medium indica hybrid rice-liangyou 6326 were studied.
研究了不同施氮量和密度对杂交中籼两优6326产量及穗粒结构的影响。
水稻生长在中国。
The results suggest a potential role for CYP4CE1 in determining patterns of N. lugens-rice relationships through toxic allelochemical detoxification.
结果提示，在褐飞虱与水稻互作过程中CYP4CE1的重要功能之一可能是参与水稻有毒次生物质的代谢。
The microbial biomass C and N in rice-fish paddy fields is remarkably higher than those in control paddy fields, both at significance level P <0.01;
养鱼水田的土壤微生物生物量C和N明显高于对照水田，均达到极显著差异水平（P〈0.01）；
The microbial biomass C and N in rice-fish paddy fields is remarkably higher than those in control paddy fields, both at significance level P <0.01;
养鱼水田的土壤微生物生物量C和N明显高于对照水田，均达到极显著差异水平（P〈0.01）；
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