Showing papers in "Agronomy Journal in 1956"
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TL;DR: Protein and oil content of grain was found to decrease with higher plant populations and lower N levels, and the 9 single-cross hybrids tested showed different yield responses to N levels and populations.
Abstract: SynopsisProtein and oil content of grain was found to decrease with higher plant populations and lower N levels. Of yield components, ears per 100 plants was influenced most by varying populations and fertility levels. The 9 single-cross hybrids tested showed different yield responses to N levels and populations.
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TL;DR: The oil content of the corn kernel is significantly influenced by both the seed parent and the pollen parent, and reciprocal crosses indicate a pronounced matroclinous tendency.
Abstract: The oil content of the corn kernel is significantly influenced by both the seed parent and the pollen parent. Reciprocal crosses indicate a pronounced matroclinous tendency. The influence of the seed parent on composition of the endosperm is no more evident than in the germ in
spite of its origin through triple fusion. Corn grown for studies of oil content should be produced by controlled pollination because of the considerable influence of the pollen parent.
TL;DR: Maximum transpiration rates for cotton plants were found to occur when relative humidities varied between 42 and 50%, temperatures from 95 to 100 F., and wind velocities between 1 and 4 miles per hour.
Abstract: SynopsisMaximum transpiration rates for cotton plants were found to occur when relative humidities varied between 42 and 50%, temperatures from 95 to 100 F., and wind velocities between 1 and 4 miles per hour. Soil moisture tension appeared to control absorption and movement of water in plants.
TL;DR: In this article, winter wheat plants were given fall and spring exposures to blowing soil in a wind tunnel, and the results showed that the total amount of soil striking a plant was more important in depressing products of plant growth than was the length of time between exposures.
Abstract: SynopsisWinter wheat plants were given fall and spring exposures to blowing soil in a wind tunnel. Average yields, weights of plant material, and number of heads for spring treatments were 46.4, 29.4, and 23.9% less, respectively, than fall treatments. Heading and ripening of grain was delayed 1 week to 10 days on severely exposed plants. The total amount of soil striking a plant was more important in depressing products of plant growth than was the length of time between exposures. The plants were shown to have remarkable recovery powers if given water after severe abrasive injury.