Results 41 to 50 of about 3,743,090 (358)

Predicting the Crop Coefficient Values for Maize in Iraq [PDF]

open access: yesEngineering and Technology Journal, 2016
The objectives of the study are to predict the crop coefficient for Maize using watermarks gypsum blocks and atmometer apparatus during the growing stages, 2013, compare the estimating values with Food and Agriculture Organization in United Nations (FAO)
Sabah Anwer Dawood Almaraf   +1 more
doaj   +1 more source

Estimation of actual crop evapotranspiration and supplemental irrigation for Aman rice cultivation in the northern part of Bangladesh

open access: yesFundamental and Applied Agriculture, 2019
The study was conducted to estimate the trend of actual crop water requirement and supplemental irrigation needed for a popular high yielding aman rice variety, i.e., BR11 grown in Rajshahi and Rangpur districts of northern Bangladesh.
Rintu Sen   +4 more
doaj   +1 more source

The performance of the EU-Rotate_N model in predicting the growth and nitrogen uptake of rotations of field vegetable crops in a Mediterranean environment [PDF]

open access: yes, 2013
The EU-Rotate_N model was developed as a tool to estimate the growth and nitrogen (N) uptake of vegetable crop rotations across a wide range of European climatic conditions and to assess the economic and environmental consequences of alternative ...
A. VENEZIA   +12 more
core   +1 more source

Microclimate and Plant Transpiration of Tomato (Solanum lycopersicum L.) in a Sunken Solar Greenhouse in North China

open access: yesAgriculture, 2022
The solar greenhouse is a common protected structure for crop production when ambient temperatures are low. In the North China Plain (NCP) winter temperatures are very low and an improved solar greenhouse with a lowered soil surface (0.5–1.5 m deep ...
Li Yang   +3 more
doaj   +1 more source

Genetic Diversity of Selected Upland Rice Genotypes (Oryza sativa L.) for Grain Yield and Related Traits [PDF]

open access: yes, 2018
Seventy-seven upland rice genotypes including popular cultivars in Nigeria and introduced varieties selected from across rice-growing regions of the world were evaluated under optimal upland ecology.
Adegbehingbe, F.   +7 more
core   +1 more source

Lisímetro de pesagem de grande porte. parte II: consumo hídrico do coqueiro anão verde irrigado Large-scale weighing lysimeter. part II: water requirements of the irrigated dwarf-green coconut

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2011
Este trabalho, como segunda parte de uma pesquisa realizada no Estado de Sergipe, objetiva determinar a evapotranspiração e o coeficiente de cultura na fase de crescimento do coqueiro anão-verde (Cocos nucifera L.), com base em medições lisimétricas e no
Inajá F. Sousa   +5 more
doaj   +1 more source

An Experimental Comparison of IoT-Based and Traditional Irrigation Scheduling on a Flood-Irrigated Subtropical Lemon Farm

open access: yesSensors, 2021
Over recent years, the demand for supplies of freshwater is escalating with the increasing food demand of a fast-growing population. The agriculture sector of Pakistan contributes to 26% of its GDP and employs 43% of the entire labor force.
Huma Zia   +4 more
doaj   +1 more source

Determinación del consumo de agua del duraznero por lisimetría Determination of water use in peach trees with a lysimeter

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2010
En el año 2004 se instaló un lisímetro de compensación de 2 x 2 x 0,80 m con capa freática constante en un monte de durazneros, con el objetivo de estudiar el consumo de agua de ese cultivo en la región sur del Uruguay.
Lucía Puppo, Mario García-Petillo
doaj   +1 more source

The combined effects of cover design parameters on tomato production of a passive greenhouse [PDF]

open access: yes, 2008
The objective of this paper is to demonstrate the need of a multiple design parameter approach to greenhouse design. To illustrate this need, we determined the combined effects of cover design parameters on tomato production of a passive greenhouse, that
Gazquez, J.C.   +3 more
core   +2 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

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