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A Basic Study on Field Experiment and Investigation Methods in Rice Plant:III. Precision of some sampling methods in sample survey of quantitative characters
Coefficient of variation Field experiment Quantitative character Rice plant Sampling method
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2009/8/5
In sample survey on field experiment, samples have to be sampled at random in principle, but samples are often taken systematically due to restriction of time, labor and plot area. In order to get inf...
A Basic Study on Field Experiment and Investigation Methods in Rice Plant : IV. A dry weight survey method effective in laborsaving while maintaining precision
Double sampling Dry weight Field experiment Precision Ratio estimate Rice plant Sample survey
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2009/7/31
Dry weight of rice plant is an important character for the vegetative diagnosis and growth forcast of this plant. However, it requires a long time and much labor to precisely estimate the dry weight, ...
A Basic Study on Field Experiment and Investigation Methods in Rice Plant:V. A leaf area survey method effective in laborsaving while maintaining precision
Double sampling Field experiment Leaf area Precision Ratio estimate Rice plant Sample survey
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2009/7/30
Leaf area of rice plant is an important character for survey to elucidate its characteristics of dry matter production. However, it requires much time and labor to precisely estimate the leaf area, w...
Investigation of Optimum Tillage Depth for Sunflower in Crop Rotation Under Central Anatolian Conditions
Investigation Optimum Tillage Depth Sunflower Crop Rotation Central Anatolian Conditions
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2009/1/15
Optimum tillage depth for sunflower after wheat was studied on Brown soils at two locations in Central Anatolia. The experiments were constituted as split randomized blocks with three replications, t...