OALib Journal
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Dec 16, 2022Open    AccessArticle

Identifying Sorghum Yield Limiting Factors and Farmer’s Criteria Traits in East and Northern West Niger

Ardaly Abdou Ousseini, Mamadou Aissata Ibrahim, John Saviour Yaw Eleblu, Kwadwo Ofori, Issaka Boureima Hamani
Sorghum is one of the most important cereal crops well adapted to harsh and dry environmental condition. In Niger, a dry country with limited rainfall distribution (three to four months per year), there are biotic and abiotic factors impacting sorghum cultivation. The objectives of this study were to determine production limiting factors and preferred traits of sorghum farmers in Niger. Twenty sorghum growing villages in Tahoua and Maradi region were surveyed. The villages were selected based on...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1109543


Nov 30, 2022Open    AccessArticle

Evaluation of a Penetration Resistance Model in Oxisol under No-Till and Texture Variation

Joao Tavares Filho, Stephanie dos Santos Locatelli, Tamires Firmino, Lucas Augusto De Assis Moraes, Thadeu Rodrigues De Melo
The no-tillage system influences the structure of the soil, as the absence of plows combined with the intensive use of heavy machinery contributes to variations in soil density and soil compaction. On the other hand, a no-tillage system tends to increase soil organic matter, which probably increases soil elasticity acting on the soil structure and possibly helping to increase the soil’s mechanical resistance to compaction. In a 2012 study, to evaluate the fit of the resistance curve to soil pene...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1109528


Jul 14, 2022Open    AccessArticle

Climate Change and Carbon Sequestration among Smallholder Farmers in Uganda: An Introduction and Review of Literature

Hellen Abbo Owasa
In Uganda, sorghum constitutes the second most widely grown cereal according to the latest statistics from the country’s statistics body, the Uganda Bureau of Statistics. This notwithstanding, there has been, in the context of Uganda, very little research and published literature on its potential to sequester carbon. There is no sufficient data on the exact levels of carbon sequestered by this sorghum/legume intercropping system, which is widespread as a technology within Uganda’s smallholder so...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1108889


Sep 10, 2021Open    AccessArticle

Evaluation of a Toposequence of Soils Derived from Basalt by Fourier Transform Infrared Spectroscopy

Wilson Sacchi Peternella, Antonio Carlos Saraiva da Costa
The interaction of organic matter (OM) and clay minerals has been studied as one of the main OM stabilization mechanisms present in different soil classes. The composition of OM present in the soil in terms of humic and fulvic acids and other organic compounds, together with the surface functional groups of different minerals of the clay fraction, such as iron and aluminum oxide and hydroxides type minerals, affect the intensity of the substrate/MO ratio, thus being able to change even the size ...
Open Access Library J.   Vol.8, 2021
Doi:10.4236/oalib.1107867


Aug 20, 2020Open    AccessArticle

Experimental Research on the Influencing Factors of Radon Concentration Measurement in Soil

Yifan Jin, Junxin Zhang, Qiushi Liu
Radon is the most accessible radioactive gas in life. The radon in ambient air mainly comes from the soil. In order to ensure the accuracy and validity of the measurement of radon concentration in the soil, the paper discusses the influencing factors of the measurement of radon concentration in the soil through the controlled variable method. On the basis of familiarity with the principle of measuring the concentration of radon in the soil, using the radon meter to study the influence of the mea...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106657


Aug 20, 2020Open    AccessArticle

Investigation and Analysis of Soil Radioactivity Level in Parks in a City

Qiushi Liu, Ruiyang Xu, Yaohan Hu
Using a portable microcomputer multi-channel gamma spectrometer to directly measure the radioactive content in the soil, the on-site gamma energy spectrum measurement was carried out on the soil of 7 parks in a certain city. The survey results show that the specific activity of 40k in the urban park soil ranges from 470.88 bq/kg to 640.2 bq/kg. The specific activity of 238u ranges from 26.77 bq/kg to 33.31 bq/kg. The specific activity of 232th ranges from 42.14 bq/kg to 54.72 bq/kg. The content ...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106656


Jul 28, 2020Open    AccessArticle

Yield, Tryptophan and Lysine Content of Two Quality Protein Maize Varieties in Two Luvisols with Bio Fertilization in Yucatan, Mexico

Jorge H. Ramírez-Silva, Yolanda Moguel-Ordónez, Mónica Guadalupe Lozano-Contreras, Genovevo Ramírez-Jaramillo
This work was carried out in Yucatan Mexico aiming to evaluate the yield performance, Tryptophan (Trp) and Lysine (Lys) contents of two quality protein maize varieties (Sac Beh and Chichen Itza) growing in two Luvisols with low (Lot 1) and high (Lot 2) intensive agricultural use. Six treatments resulted from combining the two varieties with chemical fertilizers (60-80-00):(N-P205-K2O) alone or supplemented with biofertilizers (60-80-00 Mycorrhizae Azospirillum) and the control (00-00-00). Th...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106572


Oct 29, 2018Open    AccessArticle

The Potential Productivity of Light-Chestnut Soils of the North-Western Precaspian Region in Connection with the Dynamics of Environmental Factors

Gasan Gasanov, Tatiana Asvarova, Kamil Hajiyev, Rashid Bashirov, Aishat Abdulayeva, Zaira Akhmedova, Shamil Salikhov, Nurjagan Ramazanova, Viktoria Semenova, Radjab Usmanov, Aytemir Aytemirov, Nurulislam Magomedov, Magomed Musaev
The data on receipt of photo synthetically active radiation (FAR) on the soil surface and the coefficient of its use over the years and periods of the year de-pending on the hydrothermal conditions and dynamics of harmful salts in the soil are given. The items of the changes in the species composition of phytoce-noses depending on the environmental factors are considered.
Open Access Library J.   Vol.5, 2018
Doi:10.4236/oalib.1104933


Jun 26, 2018Open    AccessArticle

Review on: The Effect of Mixing Organic and Inorganic Fertilizer on Productivity and Soil Fertility

Tesfaye Burju Roba
Depletion of soil fertility is a main problem to sustain agricultural production and productivity in many countries. The use of inorganic or organic fertilizer alone has both positive and negative effects on plant growth, nutrient availa-bility and the soil. Organic fertilizer improves physical and biological activities of soil but they have comparatively low in nutrient content, so larger quantity is required for plant growth. Ho
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Open Access Library J.   Vol.5, 2018
Doi:10.4236/oalib.1104618


Apr 18, 2018Open    AccessArticle

Linking Soil Conservation in Potato Production Systems in the Highlands of Southwestern Uganda to Gender and Farmer-Market Types

Robert Muzira, John Steven Tenywa, Twaha Basamba
Rural communities in sub-Saharan Africa develop different livelihood strategies driven by opportunities and constraints encountered in existing biophysical and socioeconomic environments. A study on gender effects under two market linkages on investments in soil conservation innovations in potato production systems was conducted in the highlands of southwestern Uganda. There were significant differences in lan
...
Open Access Library J.   Vol.5, 2018
Doi:10.4236/oalib.1104422


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