PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21455705-5 2011 The study showed that the combination of salt stress and potassium-deficient stress more significantly decreased nitrate uptake, plant growth, the activities of nitrate reductase, glutamate dehydrogenase, glutamate synthase, urease, glutamic-pyruvic transaminase, glutamic-oxaloace transaminase, sucrose-phosphate synthase, phosphoenolpyruvate carboxylase, and the synthesis of free amino acids, chlorophyll, and protein than those of each individual stress, respectively. Salts 41-45 nitrate reductase [NADH] 1 Zea mays 161-178