Experiments in Field Plot Technic for the Preliminary Determination of Comparative Yields in the Small Grains
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In our eReader you can find the full English version of the book. Read Experiments in Field Plot Technic for the Preliminary Determination of Comparative Yields in the Small Grains Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Experiments in Field Plot Technic for the Preliminary Determination of Comparative Yields in the Small Grains
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The length of the so-called rod-row has usually been determined by convenience. Commonly used lengths when the rows are a foot apart are 16 feet for wheat, 20 feet for barley, and 15 feet for oats, since with these lengths yields in grams per row may easily be con- verted to bushels per acre. In other cases the most convenient length is determined by the dimensions of experiment fields. Although in- creasing the length of the row would doubtless reduce variability, a greater gain could be made ...on the same area by further replication.
Ordinarily it is preferable, therefore, to retain the most convenient length and to make any desired increase in size of plot in the width, for widening the plots will rapidly reduce the proportion subject to border effect.
Experimental Results. —Size of Plots. — By comparing the stand- ard deviations of single rows and blocks consisting of three and five rows each, in the check plots, it is possible to determine the relative value of plots of the three sizes in counteracting plot variability.
What to read after Experiments in Field Plot Technic for the Preliminary Determination of Comparative Yields in the Small Grains?
You can find similar books in the "Read Also" column, or choose other free books by Stadler, Lewis John, 1896- [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The length of the so-called rod-row has usually been determined by convenience. Commonly used lengths when the rows are a foot apart are 16 feet for wheat, 20 feet for barley, and 15 feet for oats, since with these lengths yields in grams per row may easily be con- verted to bushels per acre. In other cases the most convenient length is determined by the dimensions of experiment fields. Although in- creasing the length of the row would doubtless reduce variability, a greater gain could be made ...on the same area by further replication.
Ordinarily it is preferable, therefore, to retain the most convenient length and to make any desired increase in size of plot in the width, for widening the plots will rapidly reduce the proportion subject to border effect.
Experimental Results. —Size of Plots. — By comparing the stand- ard deviations of single rows and blocks consisting of three and five rows each, in the check plots, it is possible to determine the relative value of plots of the three sizes in counteracting plot variability.
What to read after Experiments in Field Plot Technic for the Preliminary Determination of Comparative Yields in the Small Grains?
You can find similar books in the "Read Also" column, or choose other free books by Stadler, Lewis John, 1896- [from Old Catalog] to read onlineMoreLess
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