Published in Scientific Papers. Series B, Horticulture, Vol. LXVI, Issue 2
Written by Nasser Jubair Radhi ALHASNAWI, Ammar Sami Al-BAYATI, Laith Jaafar Hussein HNOOSH
An experiment was conducted during the fall season of 2020 in one of the protected facilities (plastic house) in the Faculty of Agriculture, University of Kufa/Iraq. This research aimed to study the effect of applying three types of decomposing organic residue solution to soil (cow, sheep, and chicken), and foliar spraying of proline with three concentrations (0, 40 and 80) mg·L-1 on some indicators of the vegetative growth of a local variety of faba bean. A factorial experiment was conducted according to R.C.B.D with three replications. The results revealed significant effects of organic residue solution of chicken for plant height 46.03 cm, leaf number 26.10 (leaf·plant-1), branch number 4.32 (branch·plant-1), and chlorophyll content 44.04 (SPAD unit) in comparison with cow residue solution. Moreover, spraying with proline at 80 mg·L-1 realized a significant increase in leaf number 25.96 (leaf·plant-1), branch number 3.73 (branch·plant-1), and relative chlorophyll content 34.68 (SPAD unit) compared to the control treatment. Consequently, the combination of the two factors was the most efficient treatment for faba bean plant growth indicators studied aforementioned.
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