the time of fertilization

[ðə taɪm ɒv ˌfɜːtɪlaɪˈzeɪʃən]
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数据更新时间:2026-04-19 14:44:35
1、

Experimental results show that the mean predicting accuracy of the LS-SVM model is higher than BP neural network model. At the same time, the LS-SVM model is especially suitable for limited number of samples. ( 4) Development of intelligent fertilization recommendation platform for tobacco.

实验结果表明,基于最小二乘支持向量机的施肥推荐模型对产量的预测准确率高于BP网络模型,且特别适用于样本数量有限的情况。(4)基于GIS的烤烟智能施肥推荐平台的开发。

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2、

At the time of fertilization, we could determine the optimal fertilization based on different slope positions.

因此在施肥时可根据不同坡位确定最佳施肥量。

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3、

The proper time of sample leaf is in the 85~ 90 days after blooming. The present study was conducted to seek the diagnoses of bamboo nutrient state so as to guide its fertilization.

研究表明,盛花后85~90d为叶营养诊断采集叶样的适宜时期。本文探讨毛竹的叶营养诊断,以指导竹林施肥。

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4、

Application of panicle fertilization at the2nd leaf-age from top increased the grain filling rate at late grain filling stage and shortened the time of superior grain filling.

倒2叶期施肥在一定程度上增强了籽粒灌浆后期的灌浆速率,缩短了强势粒的灌浆时间。

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5、

All the work are done by children themselves including scarification, semination, fertilization and watering etc* In free time everyday, pieces of plots become the children's favorites.

从松土、播种,到施肥、浇水,所有的工作都是由孩子们自己亲手完成。每天只要一有空闲,这一块块菜地就成了小家伙们最爱去的地方。

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6、

The research results showed that there were no big difference in the time of beginning fertilization between autotetraploid and diploid rice.

研究结果表明,同源四倍体水稻和二倍体水稻在发生受精作用的时间上不存在很大的差异。

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