Resultados de búsqueda - "field experiment"

Treatment and utilization of pulp industry residues using Short Rotation Forestry por Neinavaie, Fargam

“…The second part was consisted of a field experiment carried out in the Iggesund pulp and paper mill, where the performance of willow plants with two different plant densities grown on two different substrates were examined. …”
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Markberedning i brant och stenig terräng por Johansson, Malin

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Influence of P sources and rhizobium inoculation on growth and yield of soybean genotypes on Ferric Lixisols of northern Guinea savanna zone of Ghana por Adjei-Nsiah, Samuel, Kumah, J.F., Owusu-Bennoah, E., Kanampiu, F.K.

“…In both the greenhouse and field experiments, application of TSP at 30 kg P ha−1 resulted in significantly higher growth and P uptake in shoot compared with MPR and control. …”
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Improving productivity of orange-fleshed sweetpotato (Ipomoea batatas) through intercropping with legumes and moderate phosphorus application por Munda, E., Pieterse, P.J., Andrade, M.I., Makunde, G.S., Pereira, E.I.

“…The objective of the study was to evaluate the effectiveness of intercropping sweetpotato with groundnut and soybean at various phosphorus (P) fertilisation levels on the productivity of sweetpotato. A field experiment was conducted at Umbeluzi Research Station in southern Mozambique during the 2013/14, 2014/15 and 2015/16 growing seasons. …”
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Response of microbial communities and their metabolic functions to drying–Rewetting stress in a temperate forest soil por Liu, D., Keiblinger, K.M., Leitner, Sonja, Wegner, U., Zimmermann, M., Fuchs, S., Lassek, C., Riedel, K., Zechmeister-Boltenstern, S.

“…For this, an established field experiment located in an Austrian forest with two levels (moderate and severe stress) of precipitation manipulation was evaluated. …”
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Melanization of eggs and larvae of the parasitoid, Epidinocarsis lopezi (Hymenoptera: Encyrtidae), by the cassava mealybug, Phenacoccus manihoti (Homoptera:Pseudococcidae) por Sullivan, D.J., Neuenschwander, Peter

“…Mummies collected from a field experiment showed that melanization rates of mummies increased with increasing parasitization rates. …”
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Performance of Three Sorghum Cultivars under Excessive Rainfall and Waterlogged Conditions in the Sudano-Sahelian Zone of West Africa: A Case Study at the Climate-Smart Village of... por Müller, Manuel, Dembélé, Siaka, Zougmoré, Robert B., Gaiser, Thomas, Partey, Samuel T.

“…Impacts of two extreme downpours on three sorghum cultivars were monitored in a farmers-field experiment with three replications. All sorghum cultivars performed well in 2019 with significantly higher grain and above ground biomass yields than in the reference year 2007, with well distributed rainfall in Cinzana. …”
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Investigation of varietal resistance of some maize genotype against fall army (Spodoptera frugeperda) por Adewinle, A.A.

“…The arrest and feeding of FAW neonate larvae in no-choice and choice trials, the growth of larvae-pupae in laboratory circumstances, and plant damage in a field experiment were all evaluated in this study. Although the tested maize hybrids did not show total resistance to FAW feeding, the study did identify differences in acceptability and preference when FAW larvae were offered a choice of cultivars. …”
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Productivity of cowpea genotype under maize intercropping system in the northern and southern Guinea Savanna of Nigeria por Bukar, M.A.

Materias: “…field experimentation…”
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Crop-management practices influence weed dynamics, yield and economics of soybean (Glycine max) por Meena, S.N., Sharma, S.K., Singh, Pratap, Jadon, Chaman K., Jat, Mangi Lal, Meena, R.L

“…A field experiment was conducted during 2018 and 2019 at Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan, to study the effect of crop-management practices on weed dynamics, yield and economics of soybean [Glycine max (L.) …”
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Miracle seeds: Biased expectations, complementary input use, and the dynamics of smallholder technology adoption por Miehe, Caroline, Van Campenhout, Bjorn, Nabwire, Leocardia, Sparrow, Robert, Spielman, David J.

“…We provide a simple model of biased expectations, complementary input use and technology adoption and test its predictions using a field experiment among smallholder maize farmers in eastern Uganda. …”
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The role of gender in bargaining: Evidence for selling seed to smallholders in Uganda por Van Campenhout, Bjorn, Nabwire, Leocardia

“…We use a lab-in-the-field experiment in eastern Uganda, where a representative sample of smallholder maize farmers are offered the opportunity to bargain over a bag of improved maize seed variety from a male or female seller. …”
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Ethnicity, information and cooperation: Evidence from a group-based nutrition intervention por Raghunathan, Kalyani, Alvi, Muzna, Sehgal, Mrignyani

“…We explore the salience of shared ethnic identity between agents and beneficiaries in promoting collective action using a field experiment with women’s self-help groups (SHGs) in India. …”
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Buyers’ response to third-party quality certification: Theory and evidence from Ethiopian wheat traders por Abate, Gashaw T., Bernard, Tanguy, Bulte, Erwin, Miguel, Jérémy Do Nascimento, Sadoulet, Elisabeth

“…Using a purposefully designed lab-in-the-field experiment with rural wheat traders in Ethiopia, we find mixed support for the model’s prediction: traders’ willingness to specialize in certified output does increase with the share of certified wheat in the market, and this effect is stronger in larger markets. …”
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Cooperation among community leaders: The role of women’s leadership and exposure to conflict por Nigus, Halefom Yigzaw, Abay, Kibrom A.

“…Exploiting survey, lab-in-the-field experiment, and geo-referenced data, we study the role of leaders, especially women’s leadership, and their exposure to conflict in explaining differences in cooperation among com-munity leaders in Ethiopia. …”
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Crop performance and water productivity of transplanted rice as affected by seedling age and seedling density under alternate wetting and drying conditions in Lao PDR por Lampayan, Rubenito, Xangsayasane, Phetmanyseng, Bueno, Crisanta

“…This study aims to explore ways to ameliorate the negative influence of delayed transplanting on rice crop. A field experiment was conducted for two wet seasons to investigate the effect of seedling age and seedling density on crop performance in terms of grain yield and water productivity. …”
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Response of spinach and komatsuna to biogas effluent made from source-separated kitchen garbage por Furukawa, Yuichiro, Hasegawa, Hiroshi

“…However, scientific assessments of fertilizer values and risks in the use of the effluent were lacking. Thus, a field experiment was conducted from 2003 to 2004 in Tohoku National Agricultural Research Center to grow spinach (Spinacia oleracea L.) and komatsuna (Brassica rapa var. perviridis L. …”
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SE4RL: piloting alternative models of solarization por Kuriachen, Philip

“…In UP, working with Oorja SE4RL field tested the sensitivity of irrigation service fee on capacity utilization and revenues from irrigation sales. The field experiment reduced irrigation fee from Rs 4 to Rs 2 per cubic metre leading to a 7% increase in revenue and doubling of irrigation sales for Oorja. …”
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Interaction between pratylenchus sefaensis, meloidogyne javanica and rotylenchulus reniformis in sole and mixed crops of maize and cowpea por Egunjobi, O.A., Akonde, P.T., Caveness, F.E.

“…A field experiment in Nigeria was set up to investigate how mixed cropping may affect the population dynamics of P. sefaensis, M. javanica and R. reniformis in soil and within roots of maize and V. unguiculata. …”
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Gendered networks and demand for an agricultural technology in India por Gulati, Kajal, Magnan, Nicholas, Lybbert, Travis J., Spielman, David J.

“…We identify the causal gender-specific network effects using a field experiment that combines an auction with a lottery for the technology, making the presence of adopters in networks exogenous. …”
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