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Effects of Different Cropping and Manurial Practices on Some Chemical Properties of an Irrigated Chestnut Soil
Author(s) -
Kubota Joe,
Rhoades H. F.,
Harris Lionel
Publication year - 1948
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1948.036159950012000c0073x
Subject(s) - agriculture , soil water , cropping , agronomy , environmental science , geography , archaeology , biology , soil science
ASERIES of rotation experiments was established in 1912 on Tripp very fine sandy loam at the Scotts Bluff Field Station, Mitchell, Neb. These experiments were planned to determine the effects of rotation, alfalfa in the rotation, and applications of manure upon the yield of crops under irrigation. The results obtained have definitely established the importance of alfalfa in the rotation and of manure applications for the production of irrigated crops in western Nebraska (4, 5, 6, 8, 17) .3 Soil samples were taken in 1935 and 1941 after 24 and 30 years of experiment, respectively, to determine the effects of cropping and manurial practices on some of the chemical properties of the soil. It is the purpose of this paper to present the results obtained for the following soil properties: Total nitrogen, oxidizable material, nitrification rate, soluble phosphorus, cation exchange capacity, exchangeable potassium, exchangeable sodium, and pH.