Search Results - Physics Experiments.

Modeling cell size regulation under complex and dynamic environments by Nieto, Cesar, Vargas García, Cesar, Pedraza, Juan Manuel, Singh, Abhyudai

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Biological control of the cassava mealybug, Phenacoccus manihoti, by the exotic parasitoid Epidinocarsis lopezi in Africa [and Discussion] by Neuenschwander, Peter, Herren, H.R., Harpaz, I., Badulescu, D., Akingbohungbe, A.E.

“…The model, field studies on population dynamics, and experiments excluding E. lopezi by physical or chemical means demonstrate its efficiency, despite its low reproductive potential.…”
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Experimental determination of the efficiency of indigenous and exotic natural enemies of the cassava mealybug, Phenacoccus manihoti Mat. Ferr. (Hom., Pseudococcidae), in Ghana by Cudjoe, A.R., Neuenschwander, Peter, Copland, M.J.W.

“…‐Ferr., was studied through exclusion experiments. In the physical exclusion experiment lasting 52 days, CM numbers on tips in open sleeves, where access by natural enemies was allowed, were on average 43 times lower than on infested tips enclosed by a sleeve cage. …”
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Markpackning : påverkan på markens fysikaliska egenskaper by Ekholm, Robert

An improved methodology for massive screening of Brachiaria spp. genotypes for resistance to Aeneolamia varia (Homoptera: Cercopidae) by Cardona Mejía, César, Miles, John W., Sotelo, G.

“…Brachiaria breeding projects require reliable techniques to screen for host plant resistance in large, segregating populations. A series of experiments was conducted to improve evaluation methodology. …”
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PM10 emission efficiency for agricultural soils: Comparing a wind tunnel, a dust generator, and the open-air plot by Avecilla, Fernando, Panebianco, Juan Esteban, Méndez, Mariano Javier, Buschiazzo, Daniel Eduardo

“…Although these methods imply important physical differences, their outputs have never been compared. …”
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Samodling med tio vanliga frilandsodlade grönsaker by Knutsson, Nina

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Soil and water management for rice production in Nigeria by Olaleye, A. O., Osiname, O. A., Cofie, Olufunke O.

“…Much emphasis has been placed on the chemical properties of soils on which rice is grown while there is sparse information on the effect of soil physical properties on grain yield of rice. Field experiments were conducted on upland and wetland soils as they relate to water management for rice production in Nigeria. …”
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Project progress report 6 by CATIE – Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica. Agroforestry Project CATIE/GTZ

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Maximizing laboratory production of aflatoxins and fumonisins for use in experimental animal feeds by Ochieng, P.E., Kemboi, D.C., Scippo, M.L., Gathumbi, J.K., Kang'ethe, Erastus K., Doupovec, B., Croubels, S., Lindahl, Johanna F., Antonissen, G., Okoth, S.

“…The growth of fungi and the production of mycotoxins are influenced by physical (temperature, pH, water activity, light and aeration), nutritional, and biological factors. …”
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Conservation Agriculture Mother Trials in Malawi by International Maize and Wheat Improvement Center

“…Six experiments were established in each target community. …”
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Conservation Agriculture Mother Trials in Malawi, 2020 by International Maize and Wheat Improvement Center

“…Six experiments were established in each target community. …”
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Genetic analysis of heat tolerance at anthesis in rice by Jagadish, S.V.K., Cairns, J., Lafitte, R., Wheeler, T.R., Price, A.H., Craufurd, P.Q.

“…An F6 population of 181 recombinant inbred lines of Bala (tolerant) × Azucena (susceptible) was screened for heat tolerance at anthesis by measuring spikelet fertility at 30°C (control) and 38°C (high temperature) in experiments conducted in the Philippines and the United Kingdom. …”
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Effects of tillage methods and water regimes on soil properties and yield of lowland rice from a sandy loam soil in southwest Nigeria by Ogunremi, L.T., Lal, R., Babalola, O.

“…Field experiments were conducted on a sandy loam soil (Aeric Tropaquent) during 1981 adn 1982 to assess the effects of compaction, puddling and no-till systems on soil physical properties and on rice growth and yield with and without supplementary irrigation. …”
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Unextracted cottonseed in diets for monogastric animals. I. The effect of ferrous sulfate and calcium hydroxide in reducing gossypol toxicity by Clawson, AJ, Maner, JH, Gómez G., Guillermo G., Mejia, O, Flores, Z, Buitrago, J.A.

“…Two experiments were conducted using rats to determine the value of calcium hydroxide and ferrous sulfate mixed dry and in solution with unextracted cottonseed meats (dehulled cottonseed) in reducing gossypol toxicity. …”
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Biological control of powdery mildew in greenhouse produced cucumber : an evaluation of two microbiological control agents by Almqvist, Anna-Carin

“…Alternatives to chemical control of powdery mildews are biological control, physical control, non-fungicide control and cultivation of resistant or tolerant varieties. …”

The role of division stochasticity on the robustness of bacterial size dynamics by Nieto, César, Arias Castro, Juan Carlos, Sánchez, Carlos, Vargas García, César, Singh, Abhyudai, Pedraza, Juan Manuel

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Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria by Asadu, C., Dixon, A., Okechukwu, R.

“…It was also shown that physical properties should always be included in this kind of analysis. …”
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Participatory characterization of the Short-eared Somali goat and its production environment around Dire Dawa, Ethiopia by Gebreyesus, G., Haile, Aynalem, Dessie, Tadelle

“…The breeding objective was defined in a participatory manner through own-flock ranking experiments. Physical description of the goat population was made based on the "key characteristics" concept used by the community to distinguish their goat type among other breeds within their migratory reach. …”
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Identification of okra (Abelmoschus spp.) accessions resistant to aphid (Aphis gossypii Glover) in Cameroon by Abang, A.F., Srinivasan, R., Kekeunou, S., Hanna, R., Chagomoka, Takemore, Chang, J.C., Bilong-Bilong, C.F.

“…A total of 260 okra accessions andvarieties were screened (150 at AVRDC Taiwan and 110 at AVRDC Cameroon), whichincluded four varieties commercially available in Cameroon. The experiments wereconducted under natural infestation in Shanhua, Taiwan, and at Yaoundé, Cameroon. …”
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