Manejo de Suelos - Fertilización, Compostado, Nutrición vegetal

Monitoring Soil Nitrate Nitrogen Based on Hyperspectral Data in the Apple Orchards

  This paper is aimed to monitor the soil nitrate nitrogen content in the apple orchards rapidly, accurately and in real time by making full use of the effective information of soil spectra. The 96 air-dried soil samples of the apple orchards in Qixia county, Yantai city, Shandong province...
Yu Wei
Xicun Zhu
Cheng Li
Lizhen Cheng
Ling Wang
Gengxing Zhao
Yuanmao Jiang
Agricultural Sciences

Ameliorative Effect of Chelating Agents on Photosynthetic Attributes of Cd Stressed Sunflower

  Excessive input of heavy metals in water reservoir and cultivated land primarily affects the growth and yield of crops. The aim of this work was to study the mechanism of Cd toxicity and damage to photosynthetic pigments and their efficiency and the potential of natural (OA) and synthetic...
Rumana Sadiq
Nazimah Maqbool2
Muhammad Haseeb
Agricultural Sciences

Effects of Exogenous Ca2+ on Photosynthetic Characteristics and Fruit Quality of Pepper under Waterlogging Stress

  Pepper is one of the most important vegetable crops in China. Consumers in China are increasingly demanding high  quality pepper (Capsicum annuum L.) fruit. As in flood crops, natural disasters, such as flooding, might not only affect pepper yield, but also significantly impact fruit...
Li-Jun Ou
Zhou-Bin Liu
Yu-Ping Zhang
Xue-Xiao Zou
Chilean Journal of Agricultural Research

Re-watering: An Effective Measure to Recover Growth and Photosynthetic Characteristics in Salt-stressed Brassica napus L.

  Salinity is one of major environmental problem which is limiting the agricultural production. This research was conducted to evaluate the effect of re-watering on Brassica napus L., and determination of an appropriate regime for dilution of salted water by studying photosynthetic...
Qaiser Javed
Yanyou Wu
Deke Xing
Ahmad Azeem
Ikram Ullah
Muhammad Zaman
Chilean Journal of Agricultural Research

Producción y Calidad Nutrimental de Vaina del Fijol Chino, Vigna unguiculata (L.) Walp, en Función de Arreglo Topológico y Tipo de Fertilización

  El frijol chino (FC) se utiliza en alimentación humana y se cultiva en espaldera viva de maíz, pero, son escasos los estudios sobre arreglos topológicos adecuados. En este sistema, la biofertilización (BIO) y fertilización foliar (FF) podr...
Patricio Apáez Barrios
José Alberto Salvador Escalante Estrada
Eliseo Sosa Montes
Maricela Apáez Barrios
María Teresa Rodríguez González
Yurixhi Atenea Raya Montaño
Revista de la Facultad de Ciencias Agrarias

Effect of Maize Intercrop Plant Densities on Yield and β-Carotene Contents of Orange-Fleshed Sweetpotatoes

  Despite efforts to demonstrate the value of orange-fleshed sweetpotato (OFSP) (Ipomoea batatas L.) and quality protein maize (Zea mays L.) in combating vitamin A and protein malnutrition, small land holdings by rural poor farmers still limit the crops’ overall production in...
A. Asiimwe
I. M. Tabu
B. Lemaga
S. Tumwegamire
African Crop Science Journal

Evaluación de Cuatro Híbridos de Tomate y Tres Programas de Fertilización bajo Condiciones de Invernadero en el Departamento de Sololá

  El use de invernaderos ha crecido en los últimos 10 años en la región de Solola. A pesar de la exitosa adopción de dicha technología y del elevado aumento en la productividad respecto a la producción a campo obierto, aún existen retos para...
Vilma Porres
Edwin de León
Rolando Cifuentes
Revista de la Universidad Valle de Guatemala

Understanding Plant Nitrogen Metabolism through Metabolomics and Computational Approaches

  A comprehensive understanding of plant metabolism could provide a direct mechanism for improving nitrogen use efficiency (NUE) in crops. One of the major barriers to achieving this outcome is our poor understanding of the complex metabolic networks, physiological factors, and...
Perrin H. Beatty
Matthias S. Klein
Jeffrey J. Fischer
Ian A. Lewis
Douglas G. Muench
Allen G. Good
Plants

Why Soil Test in The Fall?

  Soil testing is a best practice recommended by Michigan State University Extension to achieve the desired agronomic, economic and environmental outcomes from fertilizer practices. Timing-wise, there are several advantages to soil test in the fall compared to spring. There is more...
George Silva
Michigan State University Extension

Sunflower (Helianthus annuus L.) Growth Depending on Irrigation with Salline Water and Nitrogen Fertilization

  Water is a resource for agriculture, urban and industrial activities. It is insufficient in the arid climate areas in the north east of Brazil. Saline water is as an alternative to the expansion of agricultural irrigation areas. Our objective was to assess the effect of irrigation with...
João Batista dos-Santos
Cruz Ramón Marenco-Centeno
Carlos Alberto Vieira de-Azevedo
Hans Raj-Gheyi
Geovani Soares de-Lima
Vanda Maria de-Lira
Agrociencia