Agricultural Engineering, Equipment, Sprayers, Irrigation

Produccíon Hidropónico de Jitomate (Solanum Lycopersicum L.) con y sin Recirculación de La Solución Nutritiva

  Los sistemas hidropónicos con recirculación de la solución nutritiva, ahorran agua y fertilizantes, pero con el tiempo es difícil mantener el balance nutricional y controlar las enfermedades que atacan a la raíz, lo que causa un rendimiento...
Felipe Sánchez-Del Castillo
Esaú del C. Moreno-Pérez
Joel Pineda-Pineda
José M. Osuna
Juan E. Rodríguez-Pérez
Tomás Osuna-Encino

Effect of Water Deficit Imposed during the Early Developmental Phase on Photosynthesis of Cocoa (Theobroma cacao L.)

  A greenhouse study was carried out at Cocoa Research Institute of Nigeria, Ibadan to study the effect of water stress on the four popular cocoa genotypes at the institute. F3 Amazon, T1, T7 and Amelonado were raised under different water regimes (daily, 3-day interval, 5-day...
Kayode Olufemi Ayegboyin
Ezekiel Akinkunmi Akinrinde
Agricultural Sciences

Evaluation of Growth Area Foliar Red Tomato Crop Using Markov Chains

  The importance of evaluating the leaf area in red tomato plants aims to determine the growth and development of crops established two production cycles, spring-summer and autumn-winter to compare the influence of temperature on the growth of leaf area. Repeated, weekly samples were...
Luz E. Marín Vaca
Miguel Aguilar Cortes
Oscar G. Villegas Torres
Nadia Lara Ruiz
Martha Lilia Domínguez Patiño
Agricultural Sciences,

Hyperspectral Inversion of Potassium Content in Apple Leaves Based on Vegetation Index

  The aim of this study is to establish the estimation model of potassium content in apple leaves by using vegetation index. A total of 96 fresh apple leaves were collected from 24 orchards in Qixia County, Shandong Province. The spectral reflectance of the leaves was measured...
Xiaoyan Guo
Xicun Zhu
Cheng Li
Cheng Li
Xinyang Yu
Gengxing Zhao
Houxing Sun
Agricultural Sciences

Extracción de Macronutrientes por El Cultivo de Tomate (Solanum lycopersicum Mill var. Alba) en Casas de Cultivo en Quíbar, Estado Lara

  El suministro de nutrientes a la planta en cantidades óptimas es un objetivo primordial de los programas de fertilización. El objetivo de la presente investigación fue determinar los niveles de extracción de los macroelementos N, P, K, Ca y Mg que realiza...
Pedro Betancourt
Francis Pierre

Application of Various Pruning Treatments for Improving Productivity and Fruit Quality of Crimson Seedless Grapevine

  The present study was carried out to estimate the effect of cane length on Crimson Seedless grapevine variety productivity. To achieve this goal, experimental treatments were carried out during two successive seasons (2010 and 2011) on own rooted Crimson Seedless vines. The vines...
M.A. Abdel-Mohsen
World Journal of Agricultural Sciences

Morphological and Chemical Studies on Influence of Water Deficit on Cassava

  Because the populations in poor countries are in some cases increasing much faster than their domestic food production and because the dwindling natural resources. So one of the main goals of Agricultural Research is to provide an adequate and secure food source for the ever-...
Nesreen A.S. Helal
S.S. Eisa
Amany Attia
World Journal of Agricultural Sciences

The Use of High Tunnels to Produce Fruit and Vegetable Crops in North America

  High tunnels have been used in the United States for more than 50 years, and growers are encouraged to use them more frequently through government cost-share programs. Research on fruits and vegetable production systems has focused on high value crops such as tomato, salad greens,...
Rhonda R. Janke
May Elfar Altamimi
Mumtaz Khan
Agricultural Sciences

Models for Predicting The Mass of Persimmon (Diospyros kaki) Fruits by Some Physical Properties

  The main aim of this study was to predict the mass of two Indian persimmon cultivars (Hachiya and Fuyu) based on their physical properties by applying linear regression models with three different classification i.e. mass models based on dimensions, projected area and volume. Results showed...
K.V. Subbarao
K. Vivek
International Food Research Journal

Modeling of Firmness in Carrot (CV. Nantes) Based on Carrot Water Content

  There are many cases in which it is desirable to determine relationships among some fruit quality characteristics. For example, fruit firmness (FIR) are often determined using laborious and time consuming laboratory tests, but it may be more suitable and economical to develop a method which...
Majid Rashidi
Mahdi Hosseini Bahri
Zeynab Raftani Amiri
Agricultural Engineering Research Journal