通过不同品种氮肥处理试验建立模型，利用不同品种播期试验资料对模型进行了初步检验，表明模型具有较好的预测性和适用性。
The validation with different data sets involving variety, sowing date, and nitrogen application rate showed that this model had a good predictability and practicability.
采用正交试验设计，研究萝卜不同品种、密度、播期对产量的影响。
Influence of variety, density and sowing time on radish yield was studied utilizing orthogonal test.
对优质杂交香稻黔香优302进行了不同播期和不同施肥量的裂区栽培试验。
Qianxiangyou 302, a hybrid rice variety, was tested to investigate effects of different sowing time and nitrogen application amount on its yield.
采用播期和播量二因素三水平随机试验设计，研究了水稻秧龄和播量在抗逆方面的作用。
Resistance of rice on seedling age and quantity was experimented with based on the design of two factors (seeding time and quantity) and tree levels.
试验设三个播期，探讨了播期对大豆产量、蛋白质含量和农艺性状的调节效应。
The experiment, carried out in three sowing dates, studied the adjusting effects of sowing dates on soybean yield, protein content and agriculture characters.
试验设三个播期，探讨了播期对大豆产量、蛋白质含量和农艺性状的调节效应。
Sowing dates had some but not obvious effects on grain yield and grain protein yield of soybean while it had remarkable adjusting effect on protein content of soy.
本试验采用播期与栽培密度两因素的裂区设计，以确定沙地菊芋种植的较佳密度和适宜播期。
The assay use split plot design on two factors, including the date of seeding and density, to define the better density and most suitable date of seeding on sand Jerusalem artichoke.
通过杂交中籼丰两优1号的分期播种和分期收获试验，分析了播期和收获期对稻米品质的影响。
Based on the experiment on hybrid rice variety Fengliangyou No. 1 with different sowing and harvest dates, the effects of sowing and harvest dates on rice quality were analysed.
1999年和2000年分期播栽试验，研究了温度对籼型温敏核不育系2301s自交不育度和花粉败育类型的影响。
The effects of temperature on the bagged self seed and the abortive pollen types of indica TGMS rice line 2301s were studied by sowing on different dates in 1999 and 2000.
1999年和2000年分期播栽试验，研究了温度对籼型温敏核不育系2301s自交不育度和花粉败育类型的影响。
The effects of temperature on the bagged self seed and the abortive pollen types of indica TGMS rice line 2301s were studied by sowing on different dates in 1999 and 2000.
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