Results 1 to 10 of about 653,557 (305)

Relations entre structure des exploitations et gestion des effluents d’élevage sur les Hautes Terres de Madagascar

open access: yesCahiers Agricultures, 2023
La dégradation de la fertilité des sols est un problème majeur en Afrique subsaharienne. La forte croissance démographique, la demande locale de nourriture et la réduction des terres arables disponibles risquent d’accroître ce phénomène.
Ramarovahoaka Noelly   +9 more
doaj   +1 more source

Effects of agroecological practices on soil organic carbon sequestration using synchronic and diachronic approaches in Madagascar

open access: yesJournal of Agriculture and Rural Development in the Tropics and Subtropics, 2020
Sequestration of soil organic carbon (SOC) in agricultural systems is a key indicator of soil fertility improvement and climate change mitigation at the global scale.
Narindra Harisoa Rakotovao   +5 more
doaj   +1 more source

Farmyard manure application increases spikelet fertility and grain yield of lowland rice on phosphorus-deficient and cool-climate conditions in Madagascar highlands

open access: yesPlant Production Science, 2021
Phosphorus (P) deficiency is a major yield constraint for lowland rice production in the tropics. As P-fertilizer resources are finite, alternative fertilizer management is needed for sustainable rice production. We examined whether farmyard manure (FYM),
Hidetoshi Asai   +8 more
doaj   +1 more source

Concurrent datasets on land cover and river monitoring in Fukushima decontaminated catchment during 2013–2018

open access: yesScientific Data, 2023
After the Fukushima nuclear accident, the Japanese government implemented extensive decontamination work in 137Cs contaminated catchments for residents’ health and local revitalization.
Bin Feng   +5 more
doaj   +1 more source

Marker Assisted Selection for Bacterial Leaf Blight Rice Mutant Lines Resistant

open access: yesIndonesian Journal of Biotechnology, 2015
Induction of mutation using gamma rays for improving of Mira-1 rice variety has been conducted. Rice mutant lines M2 generation have been obtained from mutation by the doses of 25, 50, 75, 100, 150 and 200 Gy of gamma rays.
A. Aryanti   +3 more
doaj   +1 more source

Identification of Heading Date Six (Hd6) Gene Derived from Rice Mutant Varieties

open access: yesBiosaintifika: Journal of Biology & Biology Education, 2017
Genes which were associated with flowering time to indicate the early maturity is known as heading date (Hd). Heading date six (Hd6) gene was identified from rice mutant varieties were Atomita 2, Atomita 3, Atomita 4, Bestari, Cilosari, Diah Suci ...
Aryanti Aryanti   +2 more
doaj   +1 more source

COVID-19: The Disease, the Immunological Challenges, the Treatment with Pharmaceuticals and Low-Dose Ionizing Radiation

open access: yesCells, 2021
The year 2020 will be carved in the history books—with the proliferation of COVID-19 over the globe and with frontline health workers and basic scientists worldwide diligently fighting to alleviate life-threatening symptoms and curb the spread of the ...
Jihang Yu   +3 more
doaj   +1 more source

Profil hormonal chez l’homme en cas d’infertilité au laboratoire de radio immunologie de l’institut des radioisotopes de Niamey

open access: yesAfrican Journal of Urology, 2016
Objectif: le but de l’étude est de déterminer les paramètres sociodémographiques et le profil hormonal de l’homme consultant pour infertilité. Malades et méthodes: Ont été inclus dans notre étude, tous les patients consultant pour infertilité datant d’au
D. Moussa   +5 more
doaj   +1 more source

Fungal treatment for liquid waste containing U(VI) and Th(IV)

open access: yesBiotechnology Reports, 2020
Four fungal and one bacterial isolates were isolated from a liquid waste sample of Nuclear Material Authority. Those dried biomasses were screened for uranium (U) and thorium (Th) adsorption efficiency where the most potent isolate was identified ...
E.A. Ghoniemy   +5 more
doaj   +1 more source

Preparation and Biodistribution of 99mTc-Pamidronate as Bone Imaging Agent

open access: yesJournal of Isotopes, 2016
Labeling of Pamidronate (PAM) with 99mTc was studied by a direct labeling method in the presence of SnCl2•2H2O as reducing agent. The influences of the concentration of SnCl2•2H2O, PAM concentration and pH value, reaction time on labeling yield were ...
LUO Hong-yi   +3 more
doaj   +1 more source

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