15N FERTILIZER USE EFFICIENCY BY SPINACH GROWN UNDER PORTUGUESE FIELD CONDITIONS
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2016 ◽
Vol 51
(3)
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pp. 335-342
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1987 ◽
Vol 18
(5)
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pp. 495-513
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2015 ◽
Vol 3
(2)
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pp. 46-48
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2004 ◽
Vol 68
(3)
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pp. 213-222
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2017 ◽
Vol 81
(6)
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pp. 1401-1412
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1997 ◽
pp. 651-652
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