Sorption of ammonia and release of humic substances as related to selected peat properties

1999 ◽  
Vol 79 (2) ◽  
pp. 311-315 ◽  
Author(s):  
N. Vaillancourt ◽  
L. E. Parent ◽  
P. Buteau ◽  
V. Parent ◽  
A. Karam
Keyword(s):  
Humic Substances ◽  
Sorption Capacity ◽  
Mineral Fertilizers ◽  
Exchangeable Acidity ◽  
Fertilizer Value ◽  
Post Test ◽  
Highly Correlated ◽  
Peat Properties

Peat is a hetorogenous material containing humic substances (HS) that increase its fertilizer value, and acid functional groups that react with ammonia. However, polyvalent cations may block some ammonia-sorbing sites. Sixty-seven peat samples were collected in Quebec (i) to relate the colorimetric Kaila pyrophosphate test for extracting HS to the von Post field test and (ii) to correlate ammonia sorption capacity (ASC) to selected peat properties as follows: von Post test, Kaila pyrophosphate test, pH(H2O), pH(CaCl2), pH(KCl), exchangeable acidity as well as ash, Ca, Al and Fe contents. Exchangeable acidity was the most highly correlated with ASC (P < 0.01). Using field-moist material and a 1:4 peat:solution volumetric ratio, the most reliable criteria were pH(CaCl2) < 4.4 and pH(KCl) < 4.5. Using air-dry peat and a 3:50 peat:solution ratio, the corresponding criteria were pH(CaCl2) < 4.3 and pH(KCl) < 4.1. The pH(CaCl2) method provided the most consistent determination of peat acidity, whether taken on a volume or weight basis. A minimum pyrophosphatate test value between 0.1 and 0.2 absorbance unit is apparently required for making peat composts and peat-ammonia-mineral fertilizers enriched in soluble humic substances. The pH(CaCl2) method and the Kaila pyrophosphate test should be combined to routinely control the quality of peat materials for making peat composts and peat-ammonia-mineral fertilizers. Key words: pH, exchangeable acidity, pyrophosphate test, ammonia sorption capacity

scholarly journals Reserves for the Increase of Yield and Quality of Winter Wheat Grain and Their Dependence on the Heterogeneity of Crops in the Conditions of the Steppe Zone of the Orenburg Urals, Russia

2020 ◽  
Vol 15 (1) ◽  
pp. 79-88
Author(s):  
Yu. A. Gulyanov ◽  
A. A. Chibilyov ◽  
A. A. Chibilyov Jr.
Keyword(s):  
Winter Wheat ◽  
Grain Quality ◽  
Field Experiments ◽  
Steppe Zone ◽  
Mineral Fertilizers ◽  
Regression Equations ◽  
Wheat Grain ◽  
Yield And Quality

Aim. Verification of scientific concepts regarding the spatial heterogeneity of field agrocenoses. Identification of the variability of phytometric and structural crop ndicators and determination of the degree of their influence on the yield and quality of winter wheat grain in the steppe zone of the Orenburg Urals.Material and Methods. Establishment of field experiments, related observations and counts in accordance with the methodology of state variety crops testing and B.A.Dospekhov's guidelin. Monitoring of winter wheat crops was carried by measuring the vegetation index (NDVI) with a Green Seeker Handheld Crop Sensor, Model HCS‐100 (Trimble, USA). Determination of grain quality indicators was conducted according to GOST 9353‐2016 Wheat – Technical Conditions. Microsoft Office Excel was employed for the correlation and regression analysis of experimental data. Results. Analysis of the intra‐field heterogeneity of winter wheat agrocenoses in terms of yield and grain quality was conducted. The dependences of yield and grain quality on the principal crop phytometric and structural parameters were defined and expressed in the form of regression equations.Сonclusion. The results of the studies attest to the growth of reserves of grain yield to 3.0 t/ha and grain quality to class I‐II class in zonal climatic conditions of optimization of environmental factors to the level of the best basic plots by levelling out field soil heterogeneity. This is possible by restoring the fertility of anthropogenically‐degraded soil through the introduction of landscape‐adaptive and resource saving farming systems, soil protective and soil restorative crop rotation, differentiated application of organic and mineral fertilizers and selection of the most adaptive varieties. We also advise the introduction of intelligent ‘digital technologies’ aimed at fuller implementation of the genetic potential of cultivated varieties with careful consideration of natural resources and the preservation of biological diversity.

scholarly journals ТЕХНИКО-ТЕХНОЛОГИЧЕСКОЕ ПРИМЕНЕНИЕ ЖИДКИХ АЗОТНЫХ  И АЗОТО-СЕРОСОДЕРЖАЩИХ УДОБРЕНИЙ НА БАЗЕ КАС-32  В ПОСЕВАХ ЗЕРНОВЫХ И ЗЕРНОБОБОВЫХ КУЛЬТУР

2019 ◽  
pp. 79-85
Author(s):  
V.A. Milyutkin ◽  
A.M. Petrov ◽  
O.N. Kukharev ◽  
N.G. Dluzhevsky
Keyword(s):  
Ammonium Nitrate ◽  
Field Studies ◽  
Mineral Fertilizers ◽  
Time Of Application ◽  
Samara Oblast ◽  
Yield And Quality ◽  
Sulfur Fertilizers ◽  
Germany Objective

В работе представлены материалы лабораторно-полевых исследований Самарского ГАУ по изучению эффективности жидких минеральных азотных и новых азотосеросодержащих удобрений на базе КАС-32 по сравнению с твердыми аммиачная селитра, производимых ПАО КуйбышевАзот (г. Тольятти, Самарская обл.) при возделывании зерновых (твердая пшеница) и зернобобовых (соя) по технологии MINI-TILL, обеспечиваемой сельскохозяйственным машинным комплексом АО Евротехника (г. Самара) немецкой компании AMAZONEN-Werke (Германия). Цель работы: определение эффективности азотных жидких минеральных удобрений производства ПАО КуйбышевАзот и новых азото-серосодержащих в сравнении с традиционными твердыми минеральными удобрениями аммиачная селитра с определением оптимальных доз, способов и времени внесения, необходимых технических средств на различных сельхозкультурах, в том числе на зерновых и зернобобовых. В засушливый 2018 год (седьмой год по засухе с 1936 года) были получены достаточно высокие результаты по урожайности и качеству произведенной продукции при применении КАС-32, КАС-32 с серой и РПС (раствор питательный серосодержащий) в сравнении с твердыми минеральными удобрениями (аммиачная селитра) при их внесении опрыскивателями АО Евротехника , оборудованными крупнокапельными распылителями и шлангами удлинителями для листовой и внекорневой (прикорневой) подкормки растений.The article presents materials from the laboratory and field studies of the Samara State Agrarian University on the effectiveness of liquid mineral nitrogen and new nitrogen-sulfur fertilizers based on KAS-32 compared with solid fertilizers - ammonium nitrate produced by PAO KuibyshevAzot (Tolyatti, Samara oblast) in the cultivation of cereal crops (durum wheat) and legumes (soybeans) using MINITILL technology provided by the agricultural machinery complex AO Evrotehnika (Samara) of the German company AMAZONEN-Werke (Germany). Objective: to determine the effectiveness of nitrogen liquid mineral fertilizers produced by PAO KuibyshevAzot and new nitrogen-sulfur fertilizers in comparison with traditional solid mineral fertilizers - ammonium nitrate - with the determination of the optimal doses, methods and time of application, the necessary technical means for various crops, including cereals and legumes. In the dry year of 2018 (the seventh drought year since 1936), fairly high results were obtained in terms of yield and quality of the products when using KAS-32, KAS-32 with sulfur and RPS (sulfur-containing nutritious solution) in comparison with solid mineral fertilizers (ammonia nitrate) when applied by AO Evrotehnika sprayers equipped with large-droplet sprayers and extension hoses for foliar and nonroot (root) dressing of plants.

scholarly journals Efficiency of soil basic tillage and mineral fertilization at growing of soybean on irrigation

2021 ◽  
Author(s):  
N. Maliarchuk ◽  
◽  
А. Мaliarchuk ◽  
D Bulyhin ◽  
L. Mishukova
Keyword(s):  
Crop Rotation ◽  
Soil Tillage ◽  
Mineral Fertilizers ◽  
Mineral Fertilization ◽  
Organic System ◽  
Row Crop ◽  
Post Harvesting ◽  
Experimental Researches

In the article the brought results over of experimental researches of influence of different methods and depth of soil basic tillage and doses of mineral fertilization on agrophysical properties and productivity of soybean. A purpose of researches is establishment of the most effective methods of soil basic tillage and doses of application of mineral fertilizers at growing of soybean in row croprotation on the irrigation of south of Ukraine and their influence on a height and development of plants, forming of harvest and quality of seed. During an experiment used the field, in-gravimetric, visual, laboratory, calculation-comparative, mathematically-statistical methods with the use of confessedly methods and methodical recommendations. For determination of efficiency of action of soil basic tillage and doses of fertilizers on the productivity of soybean five variants of methods of basic tillage were stopped up and three variants of fertilizer systems: organic and two organo-mineral with doses bringing of mineral fertilizers - N30P60, N60P60 on a background of post harvesting bits and pieces of cultures of crop rotation and optimal mode of irrigation. Results. The changes of agrophysical properties happened under act of the systems of soil basic tillage, nourishing mode, that stipulated creation of different terms for a height and development of culture and forming of harvest. The productivity of seed of soybean at plowing on a 25-27 cm averaged for five years on a background the dose of fertilizers of N60P60 of 4,22 t/ha. At the combined tillage which united disk loosening on a 14-16 cm with slotting on a depth a 38-40 cm, 4,12 t/ha of seed of soybean is got in the system of differentiated-1 soil tillage. On the average on a factor B (system of fertilizer), the productivity of seed of soybean at organic system of fertilize made 2,38 t/ha. Bringing of dose N30P60 assisted the height of harvest on 0,84 t/ha, and N60P60 on 1,39 t/ha, or on 35,2 and 58,4% accordingly. Conclusion. In the short row crop rotation on the irrigated lands of south of Ukraine the most favorable terms for a height, development and forming of harvest of soybean on dark-chestnut soils are created in the systems of plowing basic soil tillage with the turn of layer or differentiated- 1 tillage with the deep loosening under soybean or shallow on a background slotting on a depth a 38-40 cm under a previous culture.

Detection of Circulating Tissue Factor and Factor VII in a Normal Population

1996 ◽  
Vol 75 (05) ◽  
pp. 772-777 ◽  
Author(s):  
Sybille Albrecht ◽  
Matthias Kotzsch ◽  
Gabriele Siegert ◽  
Thomas Luther ◽  
Heinz Großmann ◽  
...  
Keyword(s):  
Tissue Factor ◽  
Normal Population ◽  
Mean Value ◽  
Factor Vii ◽  
Significant Difference ◽  
Age Dependent ◽  
The Mean ◽  
Highly Correlated ◽  
And Gender

SummaryThe plasma tissue factor (TF) concentration was correlated to factor VII concentration (FVIIag) and factor VII activity (FVIIc) in 498 healthy volunteers ranging in age from 17 to 64 years. Immunoassays using monoclonal antibodies (mAbs) were developed for the determination of TF and FVIIag in plasma. The mAbs and the test systems were characterized. The mean value of the TF concentration was 172 ± 135 pg/ml. TF showed no age- and gender-related differences. For the total population, FVIIc, determined by a clotting test, was 110 ± 15% and the factor VIlag was 0.77 ± 0.19 μg/ml. FVII activity was significantly increased with age, whereas the concentration demonstrated no correlation to age in this population. FVII concentration is highly correlated with the activity as measured by clotting assay using rabbit thromboplastin. The ratio between FVIIc and FVIIag was not age-dependent, but demonstrated a significant difference between men and women. Between TF and FVII we could not detect a correlation.

PENINGKATAN KUALITAS HIDUP MELALUI LOGOTERAPI PADA KLIEN YANG MENJALANI HEMODIALISIS

2019 ◽  
Vol 11 (1) ◽  
pp. 9-18
Author(s):  
Abdul Wakhid ◽  
Ana Puji Astuti ◽  
Maya Kurnia Dewi
Keyword(s):  
Quality Of Life ◽  
Renal Failure ◽  
Test Group ◽  
Sampling Technique ◽  
T Test ◽  
P Value ◽  
Number Of Patients ◽  
Post Test ◽  
The Mean

Logoterapi merupakan terapi untuk menemukan makna positif dibalik sebuah kejadian yang tidak diharapkan. Logoterapi dilaksanakan secara individu maupun berkelompok dalam bentuk konseling dan berorientasi pada pencarian makna hidup individu. Tujuan logoterapi meningkatkan makna pengalaman hidup individu yang diarahkan kepada pengambilan keputusan yang bertanggung jawab. Penelitian ini dilakukan dengan menggunakan rancangan pre-experiment dengan metode pre and post test group, artinya pengumpulan data dilakukan terhadap responden untuk membandingkan kualitas hidup sebelum dan sesudah dilakukan intervensi. Teknik pengambilan sampel dilakukan dengan metode total sampling yaitu pengambilan seluruh sampel dengan tetap memperhatikan kriteria yang telah ditetapkan. Jumlah pasien yang menjalani hemodialisis di RSUD Ungaran sebanyak 21 orang dan di RSUD Ambarawa sebanyak 25 pasien. Analisis data dilakukan dengan menggunakan uji t test dependent. Hasil penelitian didapatkan bahwa dari 46 responden didapatkan rata-rata skor kualitas hidup pasien yang mejalani hemodialisis sebesar 60.22 dengan skor terrendah 55 dan skor tertinggi 69. Bahwa dari 46 responden didapatkan rata-rata skor kualitas hidup pasien yang mejalani hemodialisis sebesar 88.72 dengan skor terrendah 79 dan skor tertinggi 103. Hasil uji statistik dengan uji t test dependent diketahui ada pengaruh logoterapi terhadap kemampuan memaknai hidup pada klien yang menjalani hemodialisis di RSUD Kabupaten Semarang (p value: 0,0001). Saran perlunya peningkatan kemampuan perawat dalam memberikan layanan kesehatan termasuk pemberian atau pemanduan penemuan makna hidup bagi pasien hemodialysis, agar selain dengan hemodialysis, ada faktor internal dari pasien yang dapat dijadikan sebagai motivasi untuk sembuh dari penyakit.   Kata Kunci: Logoterapi, kualitas hidup   IMPROVE THE QUALITY OF LIFE OF PATIENTS WITH RENAL FAILURE WHO UNDERWENT HEMODIALYSIS   ABSTRACT Logotherapy is a therapy to discover the positive meaning behind an unexpected event. Logotherapy is carried out individually or in groups in the form of counseling and oriented to the search for the meaning of individual life. This study aims to improve the quality of life of patients with renal failure who underwent hemodialysis. This research was conducted by using pre-experiment with pre-post test study. The sampling technique was done by the convenience sampling. The number of patients undergoing hemodialysis as many as 46 respondents. Data analysis was done by using test t test dependent. The result showed that from 46 respondents got the mean of quality of life of patients who had hemodialysis 60.22 with lowest score 55 and highest score 69. Whereas from 46 respondents got the mean score of life quality of patients who had hemodialysis 88.72 with score the lowest score 79 and the highest score 103. The result of statistical test with t test dependent is known there is influence of logoterapi to the ability of meaningful life on client who undergo hemodialysis at Semarang Regency hospitals (p value: 0.0001). Advice on the need to improve the nurse's ability to provide health services, including the provision or guidance of the discovery of the meaning of life for hemodialysis patients, in addition to hemodialysis, there are internal factors of the patient that can be used as a motivation to recover from illness.   Keywords: Logotherapy, quality of life, kidney failure.  

Tingkat Pemahaman Kompetensi Guru Pada Mahasiswa Pendidikan Geografi Sebagai Calon Guru Geografi

2020 ◽  
Vol 21 (1) ◽  
pp. 102-117
Author(s):  
Novia Zalmita ◽  
Muhajirah Muhajirah ◽  
Abdul Wahab Abdi
Keyword(s):  
Prospective Teachers ◽  
Prospective Teacher ◽  
Quantitative Description ◽  
Population Data ◽  
Geography Education ◽  
Teacher Competence ◽  
Education Department ◽  
Long Time

One that influences human resource indicators is education. The teacher is a profession as a job of academic specialization in a relatively long time in college. Understanding related to teacher competence is very important to have by a prospective teacher because it can affect the quality of performance as a professional teacher. The teacher's competence is known as pedagogic, professional, social and personality competencies. The issue in this study is how the competency of the teacher of the Department of Geography Education FKIP Unsyiah as a prospective teacher of geography? The purpose of this study was to determine the competence of teachers in the Department of Geography Education FKIP Unsyiah as prospective geography teachers. Quantitative description approach is used in this study to find answers to the issue. The population in this study were students of the Department of Geography Education FKIP Unsyiah class of 2015 and 2016 who had been declared to have passed the Micro Teaching and Magang Kependidikan 3 course totaling 50 people. Because the population is small and can be reached, the determination of the sample using total sampling techniques so that the sample in this study is the whole population. Data collection is done by distributing test questions to respondents. The data was analyzed using the descriptive statistics percentage formula. The results of the study indicate that the level of teacher competence of Geography Education Department students as prospective teachers is in the moderate category, namely as many as 22 respondents (44%). A total of 12 respondents (24%) were in the high category, 15 respondents (30%) were in the low category and 1 respondent (2%) were in the very low category.

Fluctuations of Annual Precipitation and Water Resources Quality in Ukraine

2016 ◽  
Vol 10 (4s) ◽  
pp. 621-629
Author(s):  
Valentina Pidlisnyuk ◽  
◽  
John Harrington JR ◽  
Yulia Melnyk ◽  
Yuliya Vystavna ◽  
...  
Keyword(s):  
Water Resources ◽  
Surface Waters ◽  
Precipitation Amount ◽  
Ion Concentration ◽  
Annual Precipitation ◽  
Resource Quality ◽  
Phosphate Ion ◽  
Regional Trends

The article focuses on examining the influence of fluctuations in annual precipitation amount on the quality of surface waters. Water quality was estimated with data on BOD, COD and phosphate–ion concentration within five selected regions of Ukraine. Analysis of the precipitation data (1991 – 2010) showed different regional trends. Using the statistics, determination of the interconnection between precipitation amount and water resources quality were done. The obtained regularities and associated uncertainties can be used for prediction of changes in water resource quality and as a guide for future adaptation to possible climate change.

POTENSI PENGEMBANGAN SADE SEBAGAI DESA WISATA LOMBOK

2016 ◽  
Vol 20 (2) ◽  
pp. 69-82
Author(s):  
W. Suprihatin ◽  
H. Hailuddin
Keyword(s):  
Analytical Hierarchy Process ◽  
Environmental Aspect ◽  
Priority Level ◽  
Highest Weight ◽  
Local Tradition ◽  
Tourist Village ◽  
Hierarchy Process ◽  
Initial Pattern

The background of the problems in this study is the decreasing quality of Sade hamlet amid rising tourist arrivals. From the environmental aspect, the conditions of the hamlet began to decline, in which the initial pattern of Sade has started a lot of changes towards the deficient and began to leave the local tradition. One effort to improve the condition of Sade hamlet in social, cultural and the environmental aspect is through the formulation of a sustainable structuring, the presence and identity maintaining and making a sustainable Tourism Village. Through analysis of AHP (Analytical Hierarchy Process) by collecting the perceptions of some experts through interviews and questionnaires, obtained by weighting the priority of the experts, namely the preservation of culture as an element of priority-level goals to be achieved in the development of Sade Hamlet as a tourist village at 0,476. While the determination of the level of the main criteria in the achievement of these objectives is the highest weight while maintaining a typical village environment at 0.319. Priority strategies that get the highest weight of the experts is that Sade Hamlet Revitalization with a priority weighting of 0.583. The second priority is the relocation of Hamlet at 0.235. Lowest weighting or last priority is Replication Sade Hamlet at 0.182.

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