Results 31 to 40 of about 943,403 (393)

Cryptorchidism and Fertility [PDF]

open access: yesClinical Medicine Insights: Reproductive Health, 2015
Cryptorchidism, the failure of one or both testes to descend into the scrotum prenatally, occurs in 2.4%-5% of newborns. Many of these testes will descend spontaneously shortly after birth, but ~23% will remain undescended unless surgery is performed.
Fatma Fawzy   +4 more
openaire   +8 more sources

Dynamic Change of Soil Enzyme Activities and Soil Microbe During Rice Main Growth Stages in Different Long-term Fertilizer Regimes

open access: yesJournal of Pure and Applied Microbiology, 2017
Soil microbe and soil enzyme activities are closely related to the fertilizer inputs. Our objective was to explore the dynamic change of soil microbe and soil enzyme activities in paddy field during early and late rice (Oryza sativa L.) main growth ...
Hai-Ming Tang   +6 more
doaj   +1 more source

Fertilizers for food and nutrition security in sub-Saharan Africa: An overview of soil health implications

open access: yesFrontiers in Soil Science, 2023
Sub-Saharan Africa (SSA) faces chronic food insecurity associated with soil degradation and the peculiar aftermath of climate change and exacerbated by rising population and historically poor agricultural practices.
Christian Dimkpa   +6 more
doaj   +1 more source

Substituting Organic Fertilizer for Chemical Fertilizer: Evidence from Apple Growers in China

open access: yesLand, 2021
This study investigates the key factors affecting farmers’ decisions to use chemical fertilizer and/or organic fertilizer in Chinese apple production. This study calculates partial output elasticities and elasticities of the substitution between organic ...
Pingping Fang   +4 more
semanticscholar   +1 more source

Increased organic fertilizer application and reduced chemical fertilizer application affect the soil properties and bacterial communities of grape rhizosphere soil

open access: yesScientific Reports, 2020
Increasing organic fertilizer application can improve the sustainability of soil productivity, but the effects of increased organic fertilizer application with reduced chemical fertilizer application over different time periods on chemical properties and
Linnan Wu   +5 more
semanticscholar   +1 more source

Intra- and inter-isolate variation of ribosomal and protein-coding genes in Pleurotus: implications for molecular identification and phylogeny on fungal groups

open access: yesBMC Microbiology, 2017
Background The internal transcribed spacer (ITS), RNA polymerase II second largest subunit (RPB2), and elongation factor 1-alpha (EF1α) are often used in fungal taxonomy and phylogenetic analysis.
Xiao-Lan He   +9 more
doaj   +1 more source

An integrative approach based on crop modeling and geospatial and statistical analysis to quantify and explain the maize (Zea mays) yield gap in Ghana

open access: yesFrontiers in Soil Science, 2022
In Ghana, maize (Zea mays) is a crop crucial to achieving food and nutrition security. Maize consumption has increased exponentially over the past decades and contributes to 25% of the caloric consumption in the country.
Mohamed Boullouz   +6 more
doaj   +1 more source

Corrigendum: He XL, Horak E, Wang D, Li TH, Peng WH, Gan BC (2019) Descriptions of five new species in Entoloma subgenus Claudopus from China, with molecular phylogeny of Entoloma s.l. MycoKeys 60: 1–26. https://doi.org/10.3897/mycokeys.61.46446 [PDF]

open access: yesMycoKeys, 2020
Entoloma subgenus Claudopus is widely distributed, yet the taxonomy and systematics of its species are still poorly documented. In the present study, more than forty collections of Claudopus were gathered in China and subsequently analysed, based on ...
Xiao-Lan He   +5 more
doaj   +3 more sources

Iron Oxide Nanoparticles as a Potential Iron Fertilizer for Peanut (Arachis hypogaea)

open access: yesFrontiers in Plant Science, 2016
Nanomaterials are used in practically every aspect of modern life, including agriculture. The aim of this study was to evaluate the effectiveness of iron oxide nanoparticles (Fe2O3 NPs) as a fertilizer to replace traditional Fe fertilizers, which have ...
Mengmeng Rui   +10 more
semanticscholar   +1 more source

Effects of Different Long-Term Fertilizer Management Systems on Soil Microbial Biomass Turnover in a Double-Cropping Rice Field in Southern China

open access: yesAgriculture, 2022
Soil microbial biomass content is usually regarded as an early indicator of changes in soil quality and soil fertility in paddy fields. Soil microbial biomass turnover is mainly influenced by the application of different fertilizer management systems ...
Haiming Tang   +7 more
doaj   +1 more source

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