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Volume 20 Number 2 Year 2018

25 articles in this issue 

Sri Sangkawati Sachro,Vittorio Kurniawan,Joetata Hadihardaja,Iwan K Hadihardaja

Currently, the Indonesian government calculates the operation and maintenance (O&M) budget by considering the size of the irrigation-area. The problem is, the O&M cost is not always proportional to the size of the area. In fact, infrastructure (such as ir... see more

Pags. 1 - 8  

Shengtao Xu,Lei Zhang,Lei Zhou,Junzhen Mi,Neil B McLaughlin,Jinghui Liu

Effect of synthetic and natural water absorbing soil amendments on plant growth and soil chemical properties of potato production was investigated in a field experiment in a semi-arid region in northern China in 2010-2012. Treatments included two differen... see more

Pags. 9 - 18  

Nicholas Kiggundu,Joshua Wanyama,David Mfitumukiz,Revocatus Twinomuhangi,Bernard Barasa,Abia Katimbo,Florence Kyazze

With a changing climate in Uganda, rainfall distribution patterns have become more irregular over time and space. Excess water during rainy season is causing runoff, soil erosion, nutrient depletion and crop damage which reduce the productive capacity of ... see more

Pags. 19 - 36  

Abdelraouf Ramadan

Egypt is nowadays facing a lot of challenges, such as limited water and energy resources. In the near future and after building El-NAHDA Dam in Ethiopia, Egypt will suffer from a severe aqueous shortage. Another fatal problem is the unavailability of gett... see more

Pags. 37 - 51  

Abdulraim M. Al-Ismaili,Edward K. Weatherhead

This paper presents an integrated steady-state model simulating the condenser of the seawater greenhouse in Oman. The developed model is capable of predicting the outlet air temperature and humidity, the outlet seawater temperature and the condensation ra... see more

Pags. 52 - 60  

Edgar Eduardo Roa Guerrero

Nowadays, the determination of nutritional deficiencies in plants has become one of the most important analysis of crop growth. Often, this analysis is performed manually by specialized personnel for long period of time, leading to an error in the procedu... see more

Pags. 61 - 70  

Seyed Mojtaba Shafaei,Mohammad Loghavi,Saadat Kamgar

This paper communicates the prediction of required draft force of disk plow implement during tillage operations. The well-known mathematical model proposed by American Society of Agricultural and Biological Engineers (ASABE), multiple linear regression (M... see more

Pags. 71 - 79  

Md. Mehedi Hasan,Md. Abedur Rahman,Muhammad Ashik-E-Rabbani

To overwhelmed high human strain and tedious work in urea application for rice cultivation, a manually operated push type Urea Super Granule (USG) applicator was designed and developed. There are four small drive wheels inserted in lieu of float which was... see more

Pags. 80 - 87  

Maryam Zamanian,Abbas Rohani,Khosrow Jafarpur

Applying solar collectors is a popular tool to harness solar energy. In this research, a flat plate solar air collector with two types of glass cover, including slatted and flat, was investigated under direct solar radiation. The study was conducted to ev... see more

Pags. 88 - 97  

Pearl Nolan,Evelyn Doyle,Padraig O'Kiley

The aims of this study were to quantify the effects of fibrolytic enzyme additives applied to each of four consecutive cuts of unwilted grass at ensiling on ensilage characteristics and specific CH4 yields (SMY) per unit mass and per unit land area. In li... see more

Pags. 98 - 115  

Atena Ghasempour,ebrahim ahmadi

Today, environmental pollution and greenhouse gases emissions are one of the human society challenges which is attracted many countries, scientists and researchers attention. To control and reduce the pollution needed to track the environmental impact dur... see more

Pags. 126 - 137  

Hamid Abdolmaleki,Ali Jafari,Hossein Mousazadeh,Ali Hajiahmad

In this study an in-situ Single Wheel Tester (iSWT) was used to investigate the effect of some of the most important independent variables on the lateral force of a high lug agricultural tire. The variables include some soil parameters and tire characteri... see more

Pags. 138 - 143  

mohammad ali ebrahimi

Initial low cost of pesticides and lack of knowledge on the part of agricultural producers has led to an overuse of pesticides, with dangerous consequences. On the other hand, today pesticides have an important role in the increment of agriculture product... see more

Pags. 144 - 153  

Ifiemi Ocholi-Tulagha,AbdulGaniy Olayinka RAJI

Some engineering properties of Tawain (Hexalobus crispiflorus A. Rich.) a rare wild fruit in the thick rain forest riverine zones of tropical region were investigated. The fruits are only available and used during the harvesting period hence the propertie... see more

Pags. 154 - 161  

Dupe Temilade Otolowo,Abiodun Adekunle Olapade,Oluwatooyin Faramade Osundahunsi

Effects of processing parameters on moisture sorption isotherms of dehydrated catfish (Clarias gariepinus) at 25 and 30° C and water activity ranged 0.1–0.85 were determined using the static gravimetric method. The interaction of processing variables, reg... see more

Pags. 162 - 172  

Rattana Muangrat,Sansern Jampatong,Phanat Saengcharoenrat

Total anthocyanin content of the dried kernel and dried cob of purple field corn was investigated under hot pressurized solvent extraction conditions. The highest total anthocyanin content of 492.51 µg cyanidin-3-glucoside/g dry weight of sample was ... see more

Pags. 173 - 182  

RITESH BALASO WATHARKAR,Sourav Chakraborty,Manuj Kumar Hazarika,Brijesh Srivastava

Thin layer drying kinetics of Bhimkol pulp was carried out on the basis of a general code developed in MATLAB R2012a software. In this code, single input of the drying parameters helps to provide very precise and petite analysis of batches of drying exper... see more

Pags. 183 - 189  

Feizollah Shahbazi

This study was conducted with the aim to evaluate the effects of moisture content and stem region on the some physical properties and bending characteristics of chickpea stems including bending stress and Young’s modulus of chickpea stems. The experiments... see more

Pags. 190 - 196  

Francis Collins Muga,Tilahun Seyoum Workneh,Moses Marenya

The purpose of this study was to investigate the effect of aflatoxin contamination on the dielectric constant of maize kernels. A factorial experiment comprising of three levels of moisture content (13.3, 15.3, and 16.4%), three frequencies (25, 50, and 1... see more

Pags. 197 - 205  

JUNAID AHMAD PANDITH

The study was focused on investigating the drying kinetics, drying modeling and quality parameters of induction heating assisted foam mat dried papaya pulp powder. Variable parameters in induction drying were induction voltage (150, 175 and 200 V) at 100º... see more

Pags. 206 - 215  

Mukesh N. Dabhi,V P Sangani,P J Rathod

GJP1 variety is newly developed variety of pigeon pea. It gives higher seed yield as compared to other varieties. Pigeon pea is mostly consumed in the form of splits hence, it is necessary to verify its hulling efficiency and utmost dhal recovery. Pre mil... see more

Pags. 216 - 225  

Raquel P.F. Guiné,Susana Matos,Christphe Gonçalves,Fernando Gonçalves,Daniela Costa,Mateus Mendes

Blueberry is a widely consumed fruit with major economic value, appreciated due to its characteristic flavor as well as health benefits. The present work aimed to evaluate the effect of several production factors and storage conditions on some chemical an... see more

Pags. 226 - 238  

Olawale Charles Ogunnigbo,Adetan Dare,Olusunmade Femi Olusola

This study evaluates the performance of a modified flour mixer for use as a wet bean de-hulling device. The effect of soaking time, running time and operating speed was investigated. The machine was driven at 150, 200, 250, 300 and 350 rpm, for operating ... see more

Pags. 239 - 247  

Zhijiang Ni,Thomas F. Burks

Three dimensional (3D) reconstruction of the plant or tree canopy is an important step in order to measure canopy geometry, such as, height, width, volume, and leaf cover area. In this research, binocular stereo vision was used to recover the 3D informati... see more

Pags. 248 - 260