A field experiment was conducted at the college of Agriculture – university of Anbar during the winter season of 2018-2019 using complete randomized blocks design (RCBD) to investigate effects of bio-fertilizer (BF) and different rates of mineral fertilizers (MF) from fertilizer recommendation (FR) on the growth and yield of wheat (IBAA cultivar). The growth and yield traits consisted of plant height (PLH), number of tillers (NT), number of spike (NS), number of grains per spike (NGPS), weight of 1000 grains (WG), biological yield (BY), and grains yield (GY). Treatments consisted of: control T0 (without BF and MF); BF (T1); 100% of FR (T2); BF+25% of FR (T3); BF+50%FR (T4); BF+100% FR (T5). Results indicated that the treatment of adding biological fertilizer with 100% mineral fertilizer(T5) was superior in most of the studied characteristics except for the total number of organisms in the soil. The fertilization treatment (T4) did not differ significantly from treatment (T5) in most of the characteristics included in the study except that increasing of microorganisms in the soil. Thus, 50% of the mineral fertilizer can be substituted with the biological fertilizer to reduce the risk of contamination and reduce the cost of mineral fertilizer.

Field experiment was undertaken in private field inAl-ramadi city in the right side of Euphrates river Anbar Governorate -Iraq, in silt loam soil during spring season of 2012.The aims of the experiment were to study the effect of bio-organic fertilizer(prepared by composting mixture of chicken wastes with wheat straw inocuted with some solubilizing phosphate microbes and enriched with 0.46% by ‫ا‬ ‫بحوث‬ ‫اعية،‬ ‫الزر‬ ‫للعلوم‬ ‫االنبار‬ ‫مجلة‬ ‫لم‬ ‫ال‬ ‫العلمي‬ ‫ؤتمر‬ ‫ابع‬ ‫ر‬ ‫المجلد:‬ ، 21 ‫خاص،‬ ‫عدد‬ ، 1122

A filed experiment was achieved in Abu-Ghraib during autumn season 2015 to test the activity of three types of biological fertilizer and phosphate rock as a sources of phosphorus. The treatments included ; Mycorrhiza mixed with phosphate rock, Bacillus mixed with phosphate rock, Mycorrhiza and Bacillus mixed with phosphate rock and phosphate rock alone. A 2% poultry decaying remnants was mixed to a 15 cm depth of soil and added before planting. Fertilizers was added according to the recommendations, and phosphate rock was added as a source of phosphorus.Result indicates that the treatment of the Mycorrhiza and Bacillus mixed with phosphate rock was the best in compared with other treatments. It gave about 12.96 mg P.kg-1 as an available phosphorus in soil, and about 0.3637% uptake phosphorus by the leaves of the plant, and about 3.943 k .ha -1 uptake phosphorus by vegetative part of the plant. The increasing of phosphorus supply of thin treatment as compared with the phosphate rock alone treatment were reached about 28.13, 23.41 and 91.40% for the phosphorus in soil, phosphorus in leaves and phosphorus in vegetative parts, respectively. Mycorrhiza treatment was in second order in compare to the to the residual treatments.