 ... the plats were given four different cultivations, a six-shovel corn plow and a double spring-tooth cultivator being used for the purpose. In addition to this they were twice hoed. Cultivation began on the llth day of June and ended on the 17th day...  Annual Report of the Director - Página 15por South Dakota Agricultural Experiment Station - 1888Vista completa - Acerca de este libro
 | United States. Office of Experiment Stations - 1889 - 418 páginas
...weather and bad seed, but principally from the work of groundsquirrels. * * " It was observed in all the plats that the earlier plantings grew larger and...and tassels made their appearance more regularly. Tbe results of a single season's work are only entitled to the public attention as showing the scope... | |
 | United States. Office of Experiment Stations - 1890 - 416 páginas
...weather and bad seed, but principally from the work of groundsquirrels. * * * It was observed in all the plats that the earlier plantings grew larger and...tassels made their appearance more regularly. The results of a single season's work are only entitled to the public attention as showing the scope of... | |
 | Cleveland Abbe - 1905 - 400 páginas
...the llth day of June and ended on the 17th day of July. General remarks. — It was observed in all the plats that the earlier plantings grew larger and...after the killing frost on the night of September 11 the corn on all the plats was cut and shocked. It was allowed to stand a few weeks before husking.... | |
 | United States. Weather Bureau - 1905 - 398 páginas
...the llth day of June and ended on the 17th day of July. General remarks. — It was observed in all the plats that the earlier plantings grew larger and...after the killing frost on the night of September 11 the corn on all the plats was cut and shocked. It was allowed to stand a few weeks before husking.... | |
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