تأثير السماد العضوي (Master Humic Fulvic Acid)‎ و معالجة الملوحة (Clean Salt)‎ في بعض صفات التربة الكيميائية و تأثيرها على الصفات الخضرية لأصل الفولكا ماريانا Citrus Volkameriana

Abstract EN

This experiment was conducted in the local Nursery, Department of Horticulture and landscape design, College of Agriculture and Marshes, University of Thi–Qar during 2017- 2018, growing season, to evaluate the effect organic fertilizer Master Humic-Fulvic acid rates 0, 2.5, 5 ml.

l-1 and Clean Salt rates 0, 1.5, 3 ml.

l-1 and their interactions on some soil chemical parameters and growth performance of stock Volkameriana.

The results showed that 3 ml.

l-1 Clean Salt highly affected all chemical characteristics of soil, namely EC (3.47 ds.

m-1), NaCl (1.30% ), and TDS (1.43 mg.

l-1).

This treatment also revealed superiority in all detected vegetative (leaves number, leaves area, stem diameter) by (66.33 leaf.

plan-1, 122.63 cm2 and 8.66 mm, respectively).

5 ml.

l-1 Master Humic Fulvic acid treatment in gave the best NaCl (4.96% ) and TDS (7.03 mg.

l-1), leaves per plant (62.86 leaf.

plan-1), leaves area (118.60 cm2) and stem diameter (9.10 mm).