006 SOIL NITROGEN MOVEMENT AND SOIL STRENGTH IN VARIOUS VEGETABLE CROPPING SYSTEMS
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Rye plus crimson clover cover crops were followed by spring potato and fall snap bean or sorghum or fallow. The soil samples at 15 cm increments to 90 cm were evaluated for nitrate levels after each crop and cover crop. After the cover crops, soil nitrate levels were reduced relative to the fallow area. After the potato, crop soil nitrate levels increased above initial spring levels due a uniform fertilization due to the amount of N applied and short cycle of the crop. Snap beans and sorghum had increased plant stands and reduced soil impedance after fall cover crops. HOW nitrate levels varied with soil depth and time will be discussed.
2019 ◽
Vol 7
(5)
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pp. 698
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2021 ◽
Vol 8
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pp. 153-168
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2000 ◽
Vol 6
(2)
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pp. 13-25
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2017 ◽
Vol 34
(1)
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pp. 62-76
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