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Phosphorus Placement for Soybean Production in Reduced Tillage Systems

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Title: Phosphorus Placement for Soybean Production in Reduced Tillage Systems
Author: Carcoana, R.; Lizotte, D.A.; Cihacek, L.J.
Description: From 1971 to 1991, soybean production in North Dakota increased from 211, 000 acres to 640,000 in 1989 with the greatest increase in the Red River Valley of eastern North Dakota. Typically, soybeans are grown on medium to fine textured soils in a rotation pattern following that of a small grain crop. A shift from moldboard plowing in the Fall season to a chisel method of plowing has gradually taken place to reduce wind erosion. Following Spring season field preparation involves a shallow tillage to add herbicides and to prep the seedbed with a sweep-type tillage tool or tandem disc. Soybeans have shown in the past that they respond better to a broadcast form of phosphorus. Under specific conditions, banded phosphorus appeared more effective. A study with it's results are given. The study was conducted to examine the efficiency of thre phosphorus application methods. Results showed that regardless how the phosphorus fertilizer was applied that it could be applied in reduced tillage farming systems and that it would be available for plant utilization.
Date: 1991
Subject: Soybeans
Permalink: http://hdl.handle.net/10365/9587

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