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Profitability Plus Environmental Sustainability Equals Modified Relay Intercropping

Volume

35

Issue

1

Abstract

To address the issues of farm profitability and environmental protection, a modified relay intercropping (MRI) system has been studied. In this system, soybeans are planted into wheat at or past the heading stage of growth. A modified relay intercropping system can effectively utilize farm labor, time and equipment, while at the same time reducing herbicide usage in the soybean crop. A descriptive study was conducted to measure the effects of variable wheat nitrogen fertilizer rates on soybean yield. The two year soybean yield in the MRI system average was 33.9 bushels per acre. There were significant differences in soybean yield between wheat nitrogen rates in 1995 only.

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