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Irrigated Alfalfa Forage Production on a WeII-drained Sandy Loam at Oakes, North Dakota 1972-1977

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Title: Irrigated Alfalfa Forage Production on a WeII-drained Sandy Loam at Oakes, North Dakota 1972-1977
Author: Bauer, A.; Bauder, J. W.
Description: Alfalfa forage yield has been doubled with irrigation in an irrigation-soil fertility study conducted from 1972 to 1977 at Oakes, North Dakota. Forage yields were not increased by the 1973 addition of phosphorus (P), potassium (K), and sulphur (S) fertilizers on a soil that initially tested medium in P and K in the plow layer. Soil test levels of P and K were quite uniform below the plow layer of this alluvial soil. On the basis of five years of field data, farm managers may obtain forage increases of one-sixth to one-fifth ton of forage per acre per year for each inch of water applied until irrigation and precipitation water total 24 inches between late April and the latter part of August. Cumulative forage yields for the five-year study period indicate that alfalfa stand longevity is between five and seven years under dryland conditions on this well-drained Maddock fine sandy loam soil. Little or no stand loss has been observed on irrigated plots during the first five years of this study.
Date: 1978
Subject: Alfalfa
Irrigation
Permalink: http://hdl.handle.net/10365/5046

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