au.\*:("JUMA NG")
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DYNAMICS OF SOIL AND FERTILIZER NITROGENJUMA NG.1983; DISS. ABSTR. INT., SEET. B: SCI. ENG.; USA; DA. 1983; VOL. 43; NO 9; PP. 2765;[; TH. PH. D.: AGRONOMY/UNIV. SASKATCHEWAN/1981]Thesis
EFFECT OF A NITRIFICATION INHIBITOR ON N IMMOBILIZATION AND RELEASE OF 15N FROM NONEXCHANGEABLE AMMONIUM AND MICROBIAL BIOMASSJUMA NG; PAUL EA.1983; CANADIAN JOURNAL OF SOIL SCIENCE; ISSN 0008-4271; CAN; DA. 1983; VOL. 63; NO 2; PP. 167-175; BIBL. 21 REF.Article
