TY  - JOUR
AU  - Barat Zadeh, Sara
AU  - Saki Nejad2*, Tayeb
AU  - Babaei Nejad, Teymour
TI  - Effect of potassium nano-chelate and ascorbic acid on 
grain yield and some qualitative characteristics of cowpea 
(Vigna unguiculata L., Kamran cultivar)
JO  - Journal of Plant production Sciences
VL  - 9
IS  - 2
SP  - 149
EP  - 160
PY  - 2019
DO  - 
ER  -