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THE REALITY OF THE RELATIONSHIP BETWEEN AGRICULTURAL RESEARCH AND EXTENSION ORGANIZATIONS IN IRAQ 全文
2020
Anan Al-Ansari | Tamer Al-Janab | Jamal Alotaibi
Iraq is one of the agricultural countries in the world. Agriculture is the second source of income after oil in Iraq. Agricultural development is a link between scientific research and agricultural extension because the use of scientific knowledge in agriculture has become very important, which has prompted many countries to increase their investment in scientific research. There is a main agricultural extension department in Baghdad, in addition to agricultural extension departments in the provinces. The aim of this study was to determine the actual relationship between the agricultural research and extension organizations in Iraq throw knowing the importance of activities that achieve the relationship and implementation level according to respondents' opinions. The study aimed also to identify the barriers facing the relationship between the agricultural research and extension organizations and respondents' suggestions that strength the link between the researches and agricultural extension agents. This study was conducted on group of researchers and extension agents who work in Agricultural Extension and Cooperation Department and Agricultural Researches Department. A random sample of 40% was selected. The total was (38) agricultural extension agents and (35) agricultural researchers. A questionnaire was used as a tool for data collection. Data were analyzed using the SPSS Version 24.0 statistical software. Descriptive statistics including percentages, frequencies, means, and standard deviations, were used to summarize the data. The most important results showed that the relationship between agricultural research and extension organizations was weak, while a high percentage of respondents believed that the relationship between them was very important. The study illustrated that the most important barrier facing the relationship between the agricultural research and extension organizations was the absence of regulations and laws that organize the relationship between them. The most important suggestions that respondents believed to strengthen the relationship are the establishment of legislations that organize the relationship and work through the research and extension teams and establishment of permanent committees to coordinate the work between them. In addition, the study found that the communication between agricultural researchers and extension agents was informal. Furthermore, the study recommended that the relationship should be continued, and that multiple organizational and administrative methods should be used to strengthen the linkages between agricultural research and extension organizations. Also, the study recommended that agricultural researchers and extension agents should participate in planning and implementing agricultural extension programs.
显示更多 [+] 显示较少 [-]EFFICIENCY OF THE AGRICULTURAL ECONOMIC RESOURCES USED IN SUMMER TOMATO PRODUCTION IN ALEXANDRIA GOVERNORATE 全文
2020
Ahmed Kassem | Noura Tantawy | Tamer El-Santresy
The research aimed to measuring the Efficiency of the Agricultural Economic Resources Used in Summer Tomato Production in Alexandria Governorate, the research is relied on using of some descriptive and quantitative economic analysis methods in data analysis, especially Data Envelopment Analysis (DEA) method, based on field data collected during the 2020 season from 30 summer tomato's farmers in Alexandria Governorate. The research reached a set of results, the most important of which can be reviewed as follows: (1) The overall efficiency criteria for a feddan of summer tomatoes in the research sample are: the net return is about 12.52 thousand pounds, the income over variable costs is about 17 thousand pounds, the benefitcosts ratio is about 1.41, and the profit of the spent pound is about 0.41 pounds. (2) The average Scale Efficiency was about 95.6%, which means that the percentage of exploitation of economic resources used in production in summer tomato farms in the research sample was about 95.6%, indicating that there is a possibility of expansion of 4.4% to reach the optimum volume of production on these farms. (3) The average Technical Efficiency according to the (BCC) model is about 98.4%, and this confirms the possibility of increasing the summer tomato production by 1.6% without increasing the amount of economic resources used. (4) Inefficient farms can achieve complete technical efficiency as reference farms by reducing the economic resources used, which are: the human labor by 7.22%, the automated work hours by 8.36%, the seedlings by 2%, the fertilizer Municipal by 4.62%, nitrogen fertilizer by 4.39%, phosphate fertilizer by 4.96%, potassium fertilizer by 4.93%, and pesticides by 6.81%, while keeping the same volume of production of summer tomatoes research sample. (5) The average Allocative Efficiency of summer tomato farms was about 79.7%, which means that re-employing the used economic resources will save about 20.3% of the production cost through adopting better technology and optimal employment of resources. (6) The average Cost-Efficiency of summer tomato farms in the research sample was about 78.4%, which means that production costs can be reduced by about 21.6% of the current production costs without affecting the production level of summer tomatoes. (7) Achieving the technical efficiency of summer tomato production at the level of Alexandria Governorate the following: (a) Increasing production by 13.07 tons, with a monetary value estimated at 23.59 milliom pounds, (b) providing an area of agricultural land with a horizontal expansion of 586.12 feddans, which is equivalent to the increase achieved In production as a result of raising technical efficiency, (c) rationalizing the use of irrigation water in Alexandria, with a total of about 2.04 million m3 , which is the amount of savings achieved in irrigation water that is necessary for the area of land that has been provided in Alexandria. In light of the findings of the research, it recommends the necessity; (1) Educating summer tomato farmers about the optimal the economic resources used in production to reach the optimum volume of production, (2) Reduce the prices of agricultural production inputs and provide them in a timely manner so that the farmer does not resort to the black market, (3) Issuing advisory bulletins to confront the changing climate and high temperatures in summer tomato cultivation.
显示更多 [+] 显示较少 [-]دور بعض المشاریع الغذائیة الصغیرة فی زیادة الدخل وتوفیر فرص العمل بمحافظة الفیوم 全文
2020
Mona Shehata | Eman Hamed Elroby | Yasmin Aboseif
أصبحت مشکلة البطالة وانخفاض الدخول الحقیقیة من أهم المشاکل الملحة فی الإقتصاد المصری والتی یتعین مواجهتها لما لها من آثار سلبیة علی الإقتصاد والأمان الإجتماعی، إضافة إلی کونها أحد مظاهر أهدار الموارد المتمثلة فی القوی البشریة العاطلة الباحثة عن العمل وعدم توظیفها بما یساهم فی تحقیق نمو أکبر، وعلیه استهدف هذا البحث تحدید دور بعض المشاریع الغذائیة الصغیرة فی زیادة الدخل وتوفیر فرص العمل بمحافظة الفیوم وذلک من خلال عدة أهداف فرعیة وهی دراسة تطور المشاریع الصغیرة الممولة بمحافظة الفیوم، والتعرف علی قدرة بعض المشاریع الغذائیة الصغیرة محل الدراسة فی الحد من مشکلة البطالة وقیاس مستوى دخول العاملین. وقیاس العائد لتلک المشاریع. بالاضافة إلى التقدیر القیاسی لدوال الإنتاج والتکالیف لتحدید مدى کفاءة تلک المشاریع فی تحقیق التنمیة الإقتصادیة بمحافظة الفیوم. والتعرف علی أهم المشکلات والمعوقات التی تواجه تلک المشاریع محل الدراسة ومحاولة إیجاد الحلول والأسالیب اللازمة لحلها. وقد توصل البحث إلى عدة نتائج أهمها:- أن إجمالی عدد المشاریع الممولة وعدد المستفیدین من الذکور وإجمالی القروض بمحافظة الفیوم تتسم بعدم الاستقرار النسبی فی حین یتسم عدد المستفیدین من الإناث وتکلفة فرصة العمل بالاستقرار النسبی نظرا لانخفاض معامل الاختلاف النسبی والبالغ 48.84% ، 24.78% على التوالی. - بلغت قیمة المرونة الإنتاجیة الإجمالیة لمشاریع تصنیع الجبن البیضاء ومنشآت التخلیل نحو 1.28 ، 1.18 على التوالی ویعنی ذلک أن زیادة الموارد الإجمالیة بالدالة المقدرة بنسبة 10% تؤدی إلى زیادة فی إنتاج الجبن البیضاء والمخللات بنسبة 12.8 ، 11.8% على التوالی. وهذه النتیجة توجه بزیادة حجم تلک المشاریع وتوجه بإعادة مزج عناصر الإنتاج المستخدمة فی العملیة الإنتاجیة بما یحقق التولیفة المثلى منها والاستخدام الکفء لها للانتقال إلى مرحلة الإنتاج الاقتصادیة.- ویتضح تفوق حجم الانتاج الأمثل، وحجم الإنتاج المعظم للربح على حجم الإنتاج الراهن لمنشآت تصنیع الجبن البیضاء بمقدار 0.75 ، 2.44 طن على التوالی. کما یتضح تفوق حجم الانتاج الأمثل، وحجم الإنتاج المعظم للربح على حجم الإنتاج الراهن لمنشآت التخلیل بمقدار 5.02 ، 31.53 طن على التوالی.- أن نسبة إجمالی العائد إلى إجمالی التکالیف لمشاریع تصنیع الجبن البیضاء ومنشآت التخلیل حوالی 1.59 ، 1.36 على التوالی، وأن العائد على الجنیه المستثمر بلغ حوالی 0.59 ، 0.36 جنیه على التوالی. وبلغت نسبة التشغیل حوالی 0.63 ، 0.74 على التوالی ویعبر انخفاضها عن الواحد الصحیح على مدى اربحیة المشروع الإنتاجی.- وتبرز مشاریع تصنیع الجبن البیضاء والتخلیل أهمیتها فى استیعاب العمالة، کعامل جوهری ذا أهمیة فی النشاط الزراعی والمجتمع الریفی، حیث یعمل بها حوالى 124 ، 252 فرد على التوالی جمیعهم من ابناء القریة التی توجد بها هذه المنشآت ومن أبرز العوامل الکامنة وراء ارتفاع قدرة هذه الصناعات على استیعاب العمالة هو انخفاض تکلفة فرصة العمل نسبیاً بتلک المنشآت حیث قدرة تکلفة إتاحة فرصة العمل بنحو 8.35 ، 16.12 ألف جنیه على التوالی، کما بلغت نسبة متوسط إجمالی الأجور إلى متوسط إجمالی التکالیف المتغیرة بالمشروع نحو 26.6%، 35.4% على التوالی وبذلک تمتاز هذه المشاریع بارتفاع المساهمة النسبیة للأجور فی التکالیف المتغیرة، وبذلک تصبح هذه الصناعات قادرة على امتصاص العمالة الزراعیة الفائضة ، کما أن إقامة مثل هذه المشاریع فی المجتمعات الریفیة یؤدى إلى خلق فرص توظیف من ناحیة، وإلى زیادة دخول العمال الزراعیین من ناحیة أخرى
显示更多 [+] 显示较少 [-]Effect of substituting alfalfa hay with graded levels of fennel and basil straws in growing rabbit diets 全文
2020
Hayam Draz | Fathy Abdel_Azeem | Usama Elbehairy | Thanaa Mohamdy | Nasr Elbordiny
The aim of this study was to investigate the effect of replacing alfalfa hay with graded levels of fennel and basil straws in the diets of growing rabbits aged from 5 to 11 weeks. Eighty-four unsexed, weaned New Zealand white rabbits, aged 5 weeks, were randomly assigned to seven dietary treatments (12 rabbits/treatment): A control diet; three diets the basil hay substituted for 25%, 50% and 75% of alfalfa straw; and three diets the fennel hay replaced 25%, 50% and 75% of alfalfa straw. Results obtained showed that replacement of alfalfa hay with 25 % fennel straw significantly reduced average daily gain compared with the other experimental treatments, while no significant difference was observed among the other experimental treatments during the stage 5-8 week. On the contrary, the animals fed diets contained 25 % fennel straw gave significantly higher average body weight gain compared with the other experimental groups and no significant differences were observed among the other experimental treatments during 8-11 weeks. Regarding body weight gain during the total period from 5 to 11 weeks of age, the result indicates that no significant differences among all treatments were detected. The values of FCR showed no significant differences within all tested groups. Rabbits group fed B50% recorded the highest significant digestibility coefficients of dry matter, organic matter, crude protein, ether extract, neutral detergent fiber, acid detergent fiber, TDN and DCP when compared to all groups. Levels of basil straw and fennel straw in rabbit diets induced an insignificant effect on hemicellulose. There were higher dressing and hot carcass percentages were recorded with rabbits fed B50%. Plasma values of total protein, albumin, globulin, cholesterol or Alanine aminotransferase (ALT) and Aspartate aminotransferase (AST) concentration were not significantly affected due to adding basil straw and fennel straw to rabbit diets. Replacement alfalfa hay with fennel and basil straw resulted in decrease feed cost. Rabbits fed B25% showed higher economic efficiency percentage compared to the other treatments. The results revealed that using basil straw and fennel straw at 25% in growing NZW rabbit diets had no detrimental effects on productive performance, the physiological and biochemical status and it could be used economically instead of alfalfa hay.
显示更多 [+] 显示较少 [-]Efficiency of certain insecticides & bio-products against Bemisia tabaci (Genn.) and Tetranychus urticae koch on potato plants under field conditions AT QALUBIA GOVERNRAT, EGYPT. 全文
2020
ٍSamar Esmail | Shoukry Elrefai | Fatina Baiomy
A field experiment was conducted during autumn plantation in season 2017 at Qaha, Qalubiya Governorate to evaluate the efficiency of ten different control agents; four of them are biorational components (garlic extract, rosemary oil + sunflower oil, sesame oil and chili oil), three of them are natural pesticide (Techno Oil, Top9 and Berna Star), one agent of them is bio-pesticide (bio-fly) and two chemical pesticide (Blanch 48% SC, Mospilan 20% SP) in reducing the population densities of Bemisia tabaci and Tetranychus urticae on Hatma potato cultivar. The results indicated that there were significant differences between the ten tested compounds in reducing the population density of B. tabaci nymphs; Mospilan 20% SP was the most potent compounds in reducing the population density of B. tabaci nymphs causing the highest reduction percentage (83.58 %), while Top9 gave a low effect with reduction percentage (49.32%) and Bio-fly gave moderate reduction percentage (63.92%). These compounds could be divided into two groups according to the reduction percentage: 1st group contains Mospilan 20% SP, Blanch 48% SC (chemical pesticides), Berna Star and Techno Oil (natural pesticides), respectively. 2nd group contains on Bio-fly (bio-pesticide), sesame oil, garlic extract, chili oil, rosemary oil + sunflower oil (biorational components), and Top9 (natural pesticide) on B. tabaci nymphs. Results also revealed that there were significant differences between the mean of general reduction percentage of the ten tested compounds on T. urticae population. Mospilan 20% SP recorded the highest reduction percentage (73.1 %), (rosemary oil + sunflower oil) treatment recorded the lowest reduction percentage 41.97% and Top9 gave moderate reduction percentage (60.03%). These compounds could be divided into two groups: 1st group contains on Mospilan 20% SP, Techno Oil, Blanch 48% SC, garlic extract, Top9, chili oil, sesame oil and Berna Star respectively. 2nd group contains on Bio-fly and (rosemary oil + sunflower oil) respectively
显示更多 [+] 显示较少 [-]EFFECIVENESS OF SOME AROMATIC OILS TREATMENTS ON QUALITY CONSERVATION OF PEPPERMEN FRESH CUT HERB UNDER COLD STORAGE 全文
2020
Ahmed Abdel Hamid
The effect of lavender, lemongrass and thyme volatile oils as a supplementary cold storage treatments on quality preservation of fresh cut herb of Menthe piperita L. , during storage for 15 days at 5°C and 7°C followed by 5 days at 20°C, as a marketing condition simulation, was evaluated during 2018 and 2019 seasons. Physical properties, chemical constituents, respiration rate and volatile oil contents were recorded. The results illustrated that discarded herb %, weight loss %, and external appearance (scale) were greatly affected by both factors of the study. The great effect in this respect was obtained with storage at 5°C than 7°C and the effect was also continuous during marketing period at 20°C. An evident decrease in discarded herb % and weight loss % were obtained due to the applied treatments, whereas external appearance values were higher with applied treatments than control during cold storage durations and marketing period. Aromatic oils treatments with 0.50% of lavender, lemongrass and thyme oils were effective than 0.25% of the three aromatic oils. However, chemical constituents i.e total chlorophyll, L-ascorbic acid and total phenols of fresh cut herb were scored highly increases by storage at 5°C than at 7°C storage conditions. Furthermore, The richest chemical constituents mentioned above were obtained with 0.50% of the three aromatic oils treatments and with superior for marketing durations for 5 days at 20°C. On contrary, total acidity of fresh cut herb recorded the minimum values with applied treatments than control (except the treatment of 0.25% thyme oil) during all cold storage durations and marketing period. On the reverse , electrolyte leakage and respiration rate values were controlled and minimized with the applied aromatic oils treatments under 5°C or 7°C cold storage conditions and followed by 5 days at 20°C as a marketing period. The decreases of both electrolyte leakage and respiration rate of fresh cut herb either with cold storage or due to the applied treatments are considered a good indicators to increase storage longevity and high quality. Meanwhile, volatile oil was greatly affected by both cold storage conditions and supplementary refrigeration treatments with lavender, lemongrass and thyme aromatic oils. Conclusively , it could be concluded that the peppermint fresh cut herb can be treated with lavender, lemongrass and thyme aromatic oils before storage at 5°C for 15 days , handling and marketing under 20°C to conserve the quality of the herb.
显示更多 [+] 显示较少 [-]Potential the biological or chemical control of lettuce white rot and maintain productivity 全文
2020
Samuel Allah | Ahmed Abou El-Yazeid | hany gamal | ahmed bondok
The experiments were executed on the autumn and the winter of (2016 /2017, 2017/2018) seasons at Qalyub area, EL-Qalyubia governorate, Egypt. The main objective for this study to find out the efficacy of several biological and the chemical controls on growth and productivity of lettuce crop and management on white rot disease caused on Sclerotinia sclerotiorum. Thus, four treatments were applied as follow 1- the control (water application),2- Trichoderma asperellum, 3-Salicylic acid and 4- Calcium Chloride, which were evaluated and compared for the three fungicide as follow : 1- Iprodione , 2- Tebuconazole with Fluopyram and 3-Tebuconazole at the doses (85 & 100 ; 200 &100 and 50 &100 g or ml / 100L-1 respect.) . Which they tested for their ability for increasing the lettuce crop productivity and suppress mycelial growth of S. sclerotiorum pathogen by treatments were sprayed on two times on plants at (15-19 BBCH) stages by using backpack sprayer by 250 L./Fed.). Results indicated that, Iprodione applications significantly gave the highest indications of total and the Marketable yield in compared with the other experimental treatments for both seasons. Moreover, the two times of sprayes by Iprodione and Salicylic acid treatments had significantly lowered the disease incidence and disease severity and increasing the control efficiency in the both seasons. Whereas, the other treatments, Tebuconazole with Fluopyram or Tebuconazole and Trichoderma asperellum had a moderate effecacy on the lettuce crop productivety or the disease severity and incidence of Sclerotinia sclerotiorum in compared to the control treatment. In the contrast, application by Calcium Chloride had a low effect on the average yield or final yield as a mass and marketable plant in the both seasons and had insignificant effect on the disease severity or incidence of S. sclerotiorum despite low to medium recovery following applications. Finally, the control treatment was the lowest.
显示更多 [+] 显示较少 [-]IMPACT OF HEAT STRESS ON GROWTH PERFORMANCE AND CARCASS TRAITS IN SOME BROILER CHICKENS 全文
2020
Omer Omran‏ | Ahmed Galal | Mahmoud Mahrous | Faisal Bayoumi
Environmental heat stress is one of the most challenging conditions in the world which have adverse impact on the industry of poultry. Broiler chicken strains are delicate to heat stress primarily due to not having sweat glands. The current study was aimed to investigate the effects of heat stress exposed on growth performance and Bio-physiological characteristics for (Cobb, Hubbard and Arbor Acres broiler hybrids) under the summer season when environmental conditions of Egypt were revealed. A total of three hundred one day old (one hundred birds from each hybrid) at one day of age were brooding under the same conditions of water, diet consumed, breeding system, vaccines and medications used during the period birds life even slaughtering age. The three strains were randomly divided into twelve groups (three strains "Cobb, Hubbard and Arbor Acres" X two treatments "control group and heat exposed group" X two replicates X twenty five chicks).The degrees of environmental temperature and relative humidity during housing are (Environmental temperature = 32°±2 Celsius degree, Relative humidity =50±5 percentage) for control group and (Environmental temperature =40°±2 Celsius degree, Relative humidity= 20±5 percentage) for the heat stressed group. The body weight, body weight gain, edible parts of carcass (carcass, thigh, drum, breast muscles and giblets weight) and inedible parts of carcass (blood, feathers, head and legs weight) were recorded to heat stressed group and control group. Lymphatic organs such as spleen, thymus and bursa weight were measured also. The last results concluded that the Cobb strain showed the best growth performance and carcass characteristics under heat stress condition, while the Arbor Acres strain considered the best strain which didn't effected a lot in their rectal temperature such another strains with heat exposure. The Arbor Acres strain for each group (control and treated) have the highest viability. The control group and Hubbard strain showed an increase in bursa weight compared to heat exposed group and another strains. It was concluded that the Cobb strain has the best performance under heat stress comparing to the other strains broiler chicken.
显示更多 [+] 显示较少 [-]Biochemical and Molecular Genetics Identification of Salicornia sp. and Sarcocornia sp. in the North Coast of Egypt 全文
2020
Shams Hussein | ashraf Bakry | Laila Helmy | Nazmy Abdelghany
Because water scarcity anticipated to increase within the destiny in particular with growing global population and the rise in prosperity problem of the shortage of water suitable for cultivation of meals plants inside the global is growing in arid and semi-arid regions. There is the call to discover some other plant resource that doesn’t need freshwater i.e. able to grow using seawater. It is worth to note that Salicornia sp. and Sarcocornia sp. may be grown at the seawater. Currently, considered one of the most crucial issues dealing with Egypt is a way to provide food within the frame of limiting to be had soils for cultivation, limitation of water resources, especially after Ethiopian Nahda Dam and growing in population. Accordingly, the use of halophytes forage plants (Salicornia and Sarcocornia) using seawater has emerged as one in all the most exciting and intelligent research points. Therefore, a case observe was carried out in 2018 and 2019 to evaluate the nutritional status of Salicornia and Sarcocornia plants which can be grown on salty water in the North Coast of Egypt. Five samples of Salicornia and Sarcocornia amassed from Damietta Port Said coastal road and identified depends on phenotypic homes to Sarcocornia perennis (DA), Sarcocornia perennis (PS), Sarcocornia fruticosa, Salicornia europaea and Salicornia herbacea. Proximate composition analyses were carried out. It turned into obtrusive that, among dry biomass, carbohydrate has become in the most important proximate compositions in the Sarcocornia sp. and Salicornia sp. Tissues observed through ash. Molecular evaluation by SCoT techniques turned into done for Salicornia and Sarcocornia. The SCoT molecular marker techniques reach producing reproducible and dependable amplicons. Even though that the SCoT technique became higher in assessment for molecular variety and discrimination ability for all studied Salicornia and Sarcocornia.The results obtained have shown that the high nutritional value of the plant in terms of protein content, carbohydrates content and as a result, it is suitable for food
显示更多 [+] 显示较少 [-]Quantifying the hydraulic properties of some Egyptian soils using RETC code 全文
2020
Ahmed Talat | Mohamed Galal | Arfa yeser | A. A. Saad El-Dein
Temporal and spatial soil variabilities reduce the accuracy of quantifying the hydraulic properties of the soil, leading to poor irrigation management. Modeling estimation and computer codes (e.g., RETC code) have been used to quantify and predict soil hydraulic properties. One hundred soil samples were collected to represent soil textural classes according to USDA textural triangle. Following the physical, chemical and hydraulic characterization of the soil samples collected, one soil sample was chosen to represent each texture class. The selected soil samples covered six USDA textural classes. Then, Brooks-Corey (B-C) (1964) and van Genuchten (vG) (1980) parametric models were used to describe the functional relationship between soil water tension and water content, i.e. the soil water retention curve, and the Mualem (1976) theoretical models of pore size distribution were used to predict the functions of unsaturated conductivity K (θ) and soil water diffusivity D (θ). The RETC (retention curve) code was used to obtain the parameters of vG and B-C models by simultaneously matching to the observed data. Output file of refining process showed the iteration levels to achieve minimum value of residual summed square (RSSQ).The values of determination coefficient (R2) of the fitted θ (h) as a power function increased after fitting the experimental data either in B-C or in vG models. The values of R2 of the fitted equation of θ (h) with both B-C and vG data increased after refining process through RETC code. The increments of R2 values after refining are more pronounced in coarse textured samples (Sand, Loamy sand, and Sandy loam).The values of determination coefficient (R2) of the fitted functions K (θ) and D (θ) as a power function are highly significant after fitting soil parameters either in B-C or in vG models. While using RETC code refined the obtained soil parameters of both K (θ) and D(θ) increasing R2 values of fitted power function and reducing residual summation square. RETC reduced the value of residual summed square (RSSQ) of the objective function O(b) under using both B-C and vG models. This reduction of RSSQ by using RETC fluctuated between 60.4% and 98.2% with B-C for six soil textural classes. While, the reduction of RSSQ by using RETC fluctuated between 90.4% and 98.6% with vG for the same six soil textural classes. In general, the RETC code is a good tool for obtaining accurate values of hydraulic properties in a variety of soil textures.
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