Results 101 to 110 of about 96,550 (262)

Farmer-based financing of operations in the Niger Valley irrigation schemes. [PDF]

open access: yes
Irrigation management / Water balance / River basins / Basin irrigation / Water use efficiency / Water supply / Water requirements / Domestic water / Water scarcity / Water demand / Water shortage / Irrigated farming / Productivity / Food security ...
Amarasinghe, Upali   +4 more
core  

Seasonal abundance of rice stem bug

open access: yesPesquisa Agropecuária Tropical, 2014
The rice stem bug (Tibraca limbativentris) population has increased over the last years making it one of the main pests in irrigated rice crops in Planalto da Campanha, Rio Grande do Sul State, Brazil.
Robson Antonio Botta   +4 more
doaj   +1 more source

Russian wheat aphid: a model for genomic plasticity and a challenge to breeders

open access: yesInsect Science, EarlyView.
Invasive foundress finds suitable habitat and reproduces through pathogenesis. Wingless females produce life offspring quickly, which leads to high population densities. High population densities result in competition, which may induce epigenetic changes and wing development for dispersal.
Astrid Jankielsohn   +8 more
wiley   +1 more source

Satellite remote sensing for assessment of irrigation system performance: a case study in India [PDF]

open access: yes
Irrigation management / Irrigated farming / Agricultural production / Irrigation systems / Food production / Rice / Cropping systems / Crop yield / Remote sensing / GIS / Models / Policy / Case studies / Satellite surveys / Performance evaluation / India
Sakthivadivel, R., Thiruvengadachari, S.
core  

Expansion Potential for Irrigation within the Mississippi Delta Region [PDF]

open access: yes, 1983
17.6 million acres, or 73 percent, of the Mississippi Delta Region is currently cropland and possesses the physical characteristics of slope, texture and soil type which are recommended for irrigation.
Erstine, Jon Mark   +4 more
core   +2 more sources

Mammal Responses to Habitat Degradation Induced by Cashew Expansion in West Africa

open access: yesAnimal Conservation, EarlyView.
Relationships between (a) estimated mammal species richness, (b) overall mammal species photographic rate, (c) carnivore photographic rate, (d) insectivore photographic rate, (e) omnivore photographic rate and (f) herbivore photographic rate and the local habitat characteristics as denoted by the scores of the first component of the Principal Component
Daniel Na Mone   +6 more
wiley   +1 more source

Genotypic performance, adaptability and stability in special types of irrigated rice using mixed models

open access: yesRevista Ciência Agronômica
There is an increasing demand for special types of rice that have black or red pericarp, low amylose (subspecie japonica) or aromatic. However, intense breeding process for obtaining and indicating genetically promising new cultivars and adapted to ...
Eduardo Anibele Streck   +4 more
doaj   +1 more source

Rise of the south: How Arab‐led maritime trade transformed China, 671–1371 CE

open access: yesAsia‐Pacific Economic History Review, Volume 65, Issue 1, Page 3-38, March 2025.
Abstract China's center of socioeconomic activities was in the North prior to the Tang dynasty but is in the South today. We demonstrate that Arab and Persian Muslim traders triggered that transition when they came to China in the late seventh century, by lifting maritime trade along the South Coast and re‐creating the South.
Zhiwu Chen, Zhan Lin, Kaixiang Peng
wiley   +1 more source

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