Keywords : potassium


THE INTERACTED EFFECTS OF WATER STRESS, PHOSPHORUS AND POTASSIUM IN SOME NUTRIENTS ABSORPTION BY MAIZE(ZEA MAYS L.)

R. M. Fahimi; W. M. Abdulateef

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2018, Volume 16, Issue 2, Pages 1101-1111
DOI: 10.32649/aagrs.2022.170567

A field experiment was carried out in Al- Saqlawyah – Fallujah /Anbar Governorate during Fall season of 2017 in order to study three levels of water stress Depletion of 25% , 50% and 75% of available water and application of phosphorus and potassium levels in increasing availability nitrogen , phosphorus and potassium in soil and their absorbance by maize . The Farm was divided into three replication according to split plots arrangement in RCBD where water stress treatments Occupied the min plots. While fertilizers levels occupied the sub plots in the sub plots in three replications. The field experiment included giving the whole recommended amount of required fertilizers, the same recommended amount and adding phosphorus, Potassium only and adding phosphorus and potassium together. The results showed: The treatment of adding phosphorus and potassium to the recommended amount was superior in availability of Nitrogen in soil, while the treatment of adding phosphorus only our the recommended amount in the availability of Phosphorus in soil. The treatment of adding potassium to the recommended amount was superior in the availability of potassium in soil. The treatment of depletion 75% of available water gave the highest average of element availability in soil. The treatment of adding phosphorus and potassium our recommended amount was superior in Nitrogen , phosphorus and potassium absorption in vegetative part of plant. While treatment of 25% depletion of available water gave the highest average of absorbance of Nitrogen , phosphorus and potassium in vegetative part of plant. Generally, the application of fertilizers enhanced the performance of plant under water stress.

Response of Maize to Potassium fertilizer and Boron leaves nutrition

B. H. A. AL-Dulami; N. D. H. AL-Hadethi

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2015, Volume 13, Issue 1, Pages 213-225
DOI: 10.32649/ajas.2015.120020

The field experiment was carried out in the spring and autumn season of 2012 in the city of Ramadi , Anbar province in loam clay silty soil texture in order to study the effects of three concentrations of boron (0, 0.75, 1.5) KgB.ha-1 was added as foliar application in the form of boric acid H3BO3(17.4%B) and three levels of potassium fertilizer (0, 100, 200) KgK.ha-1 of potassium sulfate K2SO4 (45%K) as its source in the growth and productivity of two genotypes of maize (IPA 5018 and Bohoth 106). The experiment split-split plot with R.C.B.D. design was used with three replications.
The results of this study were:
The IPA genotype had significant superior in grains number per ear, grains yield, biological yield and harvest index, the increase percentage as average of two season was 11.35, 14.97, 12.02 and 4.41% respectively compared to Bohoth genotype, which was superior in leaf area. The highest Level of potassium (200KgK.ha-1) had significant superior in leaf area, number of grains per ear, grains yield, biological yield and harvest index, the increase percentage as average of two season were 12.74, 48.75, 57.81, 39.67 and 14.28% compared to control treatment, which gave the lowest mean for this characters respectively.
Foliar application with high concentration of boron (1.5Kg B.ha-1) gave significant increase in all studied characters. The grain yield at this concentration was 10.32 and 12.43 ton.ha-1 compared to control treatment (6.48 , 7.86) ton.ha-1 of the two seasons respectively .The triple interaction of IPA genotype with highest level of both fertilizers (200Kg K+1.5Kg B).ha-1 gave the highest average of leaf area , grains number per ear , grains yield (12.80 , 14.72) ton . ha-1, biological yield and harvest index (56.82 , 56.42)% in both seasons respectively. It can be concluded that the IPA5018 genotype was more responsive for application of nutrients as it gave highest average for studied characteristics especially in high levels in both seasons.

The soybean growth and yield response to potassium fertilizer and zinc leave nutrition

Bashir Hammad Alduleimi; Mohammed Ali Ahmed Daraj

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2015, Volume 13, Issue 1, Pages 226-241
DOI: 10.32649/ajas.2015.120021

A field experiment was carried out in the soil of alluvial tissues fusion in summer season of 2013 in Abu Flees area which is a part of Al Khalidiya district which lies on longitude 43Oand latitude 33O to investigate the effect of four levels of potassium (0,40,80&120 kgK.ha-1 ) and four concentrations of Zinc ( 0,30,60&90 mgZn.L-1), which were added as a leave nutrition, in the growth and yield of Soybean crop of GS lll class. In experiment used the order of the split-plot according to the randomized complete block design (RCBD) and four replications. Potassium levels occupied the main split-plots, while Zinc concentrations occupied the secondary split-plots. The results of the experiment are summarized as follows:
The 90mgZn.L-1 concentration revealed the highest average of plant height, the rate of Zinc and Potassium in the leaves, and the seeds crop product. This concentration did not differ significantly in most of its traits with the concentration 60 mgZn.L-1 which was prominent and high significantly in the leave area, dry plant weight, root length. The level 120 kgK.ha-1 indicated the highest average in the plant height, leave area, the weight of dray plant, the roots length, the rate of Zinc and Potassium in the leaves, and the product of plant seeds. This was not significantly different in most traits under study with the level 80 kgK.ha-1. The interaction between Potassium and Zinc significantly affects all the studied traits. The interaction between the level of 120 kgK.ha-1 and the 90mgZn.L-1 concentration revealed the highest rate in leaves area (249.8 dcm2), the length of the main root (34.65cm), seeds crop (96.13g.pl-1). Finally, it is concluded that there is a significant response in the studied traits when adding Potassium to the soil and at the nutrition of leaves with Zinc.

The spraying with some nutrients onPotatoPlantsSolanum tuberosum L.cv. Burren and its effect in growth and production

Omar H. M. AL-muhamadi

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2015, Volume 13, Issue 1, Pages 362-372
DOI: 10.32649/ajas.2015.120039

The field experiment was conducted in Anbar governorate /Fallujah city 60 kmwestern of Baghdad onEuphratesriver bank 20th of Januaryduring thespring seasons from 2013 and 2014 Potato tubers of Burren CV. (class Elite) were planted for tow above seasons and the experiment was conducted depending on Randomized Complete Block Design (RCBD) and the results were tested depending on the lest significant differenceL.S.D on probability level 5%.
The chemical fertilizer treatment T14 (400.120.240)(NPK) recorded a high fresh weight in both of season to 53.96 gm and the potassium treatment T10 250 m.l-1increase the plant hight up to 60.03 cm for (gm) first season 53.96(gm), while the CK treatment 10 m.l-1T9 effect in vegetative growth characters like number of stems per plant and leave area (cm) 2 for plant in both seasons which reached to 4.30 stem/plant and 11327 cm2 and 4.50 stem/plant and 12073 cm2 respectively. The salicylic acid treatment 250 m.l-1T7 showed a high chlorophyll ratio in leaves for two seasons to (52.73 and 54.83 SPAD-UNIT).Respectively. The CK treatment T9 10 m.l-1 and Amino Acid treatment T13 500 m.l-1given a high ranges of tuber numbers were recorded9.30 and 9.50 tuber/plant for both seasons respectively,
while the Amino Acids treatment T12 250 m.l-1 gave a high average in tuber weight and plant yield for the first season were reached 166.90 gm and 1050 km per plant, the salicylic acid treatment T7 250 m.l-1gave high average of marketable yield for both season to 31.55 and 32.42 ton/harespectively and the Amino Acids treatment T12250 m.l-1 gave high average of total yield was reached 46.95 ton/ha for the first season.

Effect of Foliar application of Zinc and Potassium Fertilization on growth . yield and quality characteristics of two varieties of Sorghum bicolor ( L.) Moench

A. A. G. H. Alani; B. H. A. Al-Dulami

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2011, Volume 9, Issue 2, Pages 117-135

Two field experiment ware conducted in a private farm in the city of Rumadi- Anbar in the spring and autumn seasons of 2009, at silt clay loam soil. To study the effects of three levels of Potassium fertilizer (0, 90 and 180) Kg K. ha-1 from potassium sulfate (K %41.5) and three levels Zn add asd foliar application (0, 1 and 2) Kg Zn.ha-1 as Zinc Sulphate (Zn %23). on the growth, yield and quality characteristics of two genotypes of Sorghum (Rabih and Inkath) . The experiment split- split plot with R.C.B.D design was used with three replications. The important result for this study were: Inkath genotype has significant effect on weight of 500 grain, grain yield. harvest index and the percentage of protein in grain in both seasons respectively. The application level 90 Kg K. ha-1 caused highest average for leaf area, weight of 500 grain, grain yield and harvest index in both seasons, While 180 Kg K. ha-1 gives the highest average the percentage of protein in grain (8.14 and 8.09) % in both seasons. Increase level foliar feeding of Zinc have been caused increasment in all the growth, whereat at zinc at level 2 Kg Zn.ha-1 gave high average in both seasons. effect the double and triple interaction had significant effect in most of considered characteristics and Inkath genotype at the middle level of potassium and highest level of Zinc fertilizers (90 Kg K + 2 Kg Zn) . ha-1 give the highest average for leaf area, weight of 500 grain, grain yield (12.64 . 6.76) T. ha-1. while the same genotype at the highest level of both fertilizers (180 Kg K + 2 Kg Zn) . ha-1 give the highest average in percentage of of protein in grain (8.53 and 8.50) % in both seasons. from this study are conclude the Inkath genotype was more efficiency in exploiting the environmental condition and available nutrition especially at the level 90 Kg K. ha-1 with foliar feeding of level 2 Kg Zn is realize highest average in most of the characteristics in both seasons measure with Rabih genotype.

EFFECT OF FERTILIZATION OF, NITROGEN, PHOSPHORUS, AND POTASSIUM ON GROWTH AND YIELD OF SOYBEAN CROP

J. M.Al-Jumeily

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2007, Volume 5, Issue 2, Pages 135-140

The study was conducuted during 2004 season in Esehaki To find out the response of growth and yield soybean crop to nitrogen ,phosphorus and potassium Fertilizer in defferent levels. A randmized complete block design was used in afactorial experiment with three replication .The treatments included Tow cultivars (TN12 and DT84) with seven levels of NPK Fertilizer. The results showed that TN12 had higher yield of seed (1187.9) Kg/ ha. and nomber of pods per plant (33.3), No. of seed per pod (2.5) and higher plant height (65.1) cm. The treatment 140 kg N + 240 kg P2O5 + 75 kg K2O/ ha. was gaves higher yield (1309.2 Kg/ ha), (34.2) pods/ plant and (12.7) gram wieght of 100 seeds. A significant interaction between cultivars and Fertilizer levels was found. with treatment (T6) and cultivars (TN12 and DT84) produced higher yield and yield components.

Effect of spraying with pinolene and potassium on seed yield and its quality of two sesame varieties (Sesamum indicum L.)

B. H. A. Al-Solagh

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2007, Volume 5, Issue 2, Pages 66-82

Field trial was carried out in sandy – clay soil in Abu-Sdera region – Alsaqlawiyaa district – falluja – Al-Anbar Province, during the Summer season of 2002. To investigate the effect of application the anti – vapor (Vapor gard) at 0 , 0.25 and 50% wax and potassium at 0 , 0.10 and 0.20 % K from K2So4 fertilizer on yield, yield components and seed quality and another characters of two sesame cultivars (Local and Ishtar). A split-split plots in randomized complete block design was used with three replication. Results revealed that:
The local variety was significantly superior (P > 0.05) in No. of capsule per plant (133.28 capsule) and seeds oil content (51.27%) compared with Ishtar variety (73.75 capsule, 49.60%) while the Ishtar had higher number of seeds per capsule. The variety did not effect significantly on the other traits.
The nutrition with high conc. of potassium (0.20% K) increased Percent of moisture in the capsules, number of seeds/capsule and weight of 1000 seeds, while nutrition with 0.10% K gave ahigh percent of oil and total yield of seeds and oil (1941.25 , 996.29) kg. ha-1 respectively, compared with the untreated.
Spraying 0.50% of Vapor Gard significantly decreased percent of shattered capsules at harvest to only 3.9% and increased their moisture content in Capsules, number of capsules per plant, weight of 1000 seeds and seeds and oil yields (2071.79 , 1034.42) kg. ha-1 respectively compared to the untreated. However spraying pinolene caused areduction in seeds oil content.
It can be concluded from this study that the local cultivar was superior to Ishtar cultivar in lower shattered capsules and high seed yield and its interaction with the anti – Vapor and potassium nutrients resulted in better yield and higher oil content compared to Ishtar cultivar.

EFFECT OF FOLIAR APPLICATION OF POTASSIUM ON LINT YIELD AND LINT QUALITY OF COTTON

H. M. K. Al-Abodi

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2005, Volume 3, Issue 2, Pages 116-124

A field experiment was conducted at the IPA Field Crops Research Station, Abu – Graib during 2002 season and at Experimental Field, Department of Field Crop Science, College of Agricultur , Abu – Graib during 2004 season.
The objective of this research was to study the effect of six levels of foliar potassium application 500 ppm at start of flowering and 500 ppm at start of boll development, 1000 ppm at start of flowering and 1000 ppm at start of boll development, 1500 ppm at start of flowering and 1500 ppm at start of boll development, 2000 ppm at start of flowering and 2000 ppm at start of boll development, 2500 ppm at start of flowering and 2500 ppm at start of boll development, 3000 ppm at start of flowering and 3000 ppm at start of boll development in additional to control treatment (without spray) on seed cotton yield, lint yield and lint quality of cotton var. Cocker 310. A randomized complete block design was used with three replications.
The results indicated that highest response of Cocker 310 c.v . to increasing potassium foliar application was by 3000 ppm at start of flowering and 3000 ppm at start of boll development, it gave asignificant increasing in the number of sympodia, number of open bolls, boll weight, seed cotton yield, dry matter ,lint yield and fiber strength as compared to control in both seasons. While seed , number/boll, fiber length and fiber fineness did not significantly affected by all the level of potassium applied on the two season.

The effect of spraying with pinolene and potassium in characteris of growth of two varieties of sesame ( Sesamum indicum L.)

B. H. Abduallah Al- solagh; R. M. Hamd Al-duliamy; M. H. Iedan Al-issawi

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2005, Volume 3, Issue 1, Pages 99-109

Afield experiment had been per formed in sandy – Clay texture soil in Abu–sdera. area – Al–saqlawiyaa district – falluja – Al–Anbar Government during the summer season 2002 to know in fluence of spraying with pinolene (0 , 0.25 , 0.50) % and potassium (0 , 0.10 , 0.20) % K on the eharacteristics of growth of two varieties of sesame (Al–mahelli and Ishtar). The resuites were: super macy of Al–mahelli variety significantly to Ishterr one in number of branches, leaves area (m2) and dry weight (gm). Also the probabilith of injuring with phyllody less than in Al-mahelli one. the spraying with potassium (0.20 %K) had led to significaut increase in leaves area (m2) and dry weight of plant (gm). So this percentage of concentration wouid decrease the probability of injuring with phyllody (89.57 %) basing of control (without spraying).
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The concentration (0.50%) of pinolene had led to increase probability of injuring with phyllody. The interaction between the variety and potassium was significant in leaves area (m2) and the probability of injuring with phyllody. The interactions (potassium × pinolene) and (variety × potassium × pinolene) had displayed significant in fluence in the probability of injuring with phyllouy.