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245	1	0	_aNH4 + toxicity in higher plants: a critical review
490	0		_vJournal of Plant Physiology, 159(6), p.567-5842002, 2002
520	3		_aAmmonium (NH4 +)toxicity is an issue of global ecological and economic importance. In this review, we discuss the major themes of NH4 + toxicity, including the occurrence of NH4 + in the biosphere, response differences to NH4 + nutrition among wild and domesticated species, symptoms and proposed mechanisms underlying toxicity, and means by which it can be alleviated. Where possible, nitrate (NO3 -)nutrition is used as point of comparison. Particular emphasis is placed on issues of cellular pH, ionic balance, relationships with carbon biochemistry, and bioenergetics of primary NH4 + transport. Throughout, we attempt to identify areas that are controversial, and areas that are in need of further examination.
700	1	2	_aBritto, D.T.
700	1	2	_aKronzucker, H.J.
856	4	0	_uhttps://drive.google.com/file/d/1xhzLu04tBUTgqoM-Fd5PHS7UoOtFEhzz/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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