Resultados de búsqueda - "TWICE"

Once bitten, twice shy? Direct and indirect effects of weather shocks on fertilizer and improved seeds use por Mulungu, Kelvin H., Manning, Dale T., Bozzola, Martina

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Regression of traits-other-than-production phenotypes for cows milked once a day on estimated breeding values obtained from cows milked twice a day por Sneddon, NW, Lopez Villalobos, N, Garrick, DJ, Rocha, JF, Donaghy, DJ

“…In 2013 Massey University Dairy 1 farm transitioned their mixed-breed herd milked twice a day (TAD) to an OAD spring-calving system. …”
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Response of upland rice cultivars to weed competition in the savannas of West Africa por Ekeleme, F., Kamara, A.Y., Oikeh, S.O., Omoigui, L.O., Amaza, P., Abdoulaye, Tahirou, Chikoye, David

“…Grain yield inall cultivars was over 50% less in the unweeded plots than in plots weeded once or twice. At Sabon-Gari,NERICA1 (unweeded or weeded twice), and NERICA4 (weeded once) were the most profitable. …”
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Financial analysis of dipping strategies for indigenous cattle under ranch conditions in Uganda por Okello-Onen, Joseph, Mukhebi, A.W., Tukahirwa, E.M., Musisi, G., Bode, E., Heinonen, R., Perry, Brian D., Opuda-Asibo, J.

“…The treatments were based on different frequencies: twice-a-week dipping, once-a-month dipping and no tick control. …”
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Relaciones fósforo-zinc en tres suelos ácidos de Costa Rica, 2: absorción de los elementos por tomate [Lycopersicon esculentum] en el invernadero. por Gúzman, E, Bornemisza, E.

“…In a greenhouse experiment with tomato as indicator plant and using three acid, low Zn soils from Costa Rica the effects were studied of four P levels (zero, sufficient to supply 36 ug/ml of available P, twice and four times this amount) and four Zn levels (zero, sufficient to supply 4.5 ug/ml of available Zn, twice and four times this amount) determined by the Diaz-Romeu and Hunter (4) technique. …”
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The impact of tick control on the productivity of indigenous cattle under ranch conditions in Uganda por Okello-Onen, Joseph, Tukahirwa, E.M., Perry, Brian D., Rowlands, G.J., Nagda, S.N., Musisi, G., Bode, E., Heinonen, R., Mwayi, W., Opuda-Asibo, J.

“…Similarly, twice-a-week dipping increased the pre-weaning growth rate by 39% in the second year of study, but had no significant effect on the post-weaning growth rate. …”
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Sucrose supplements in cattle given grass silage-based diet. 1. Digestion of organic matter and nitrogen por Khalili, H., Huhtanen, P.

“…In a 4 X 4 Latin square experiment, 4 male Friesian cattle with rumen and duodenal cannulae were given a basal diet of grass silage 700, barley 240 and rapeseed meal 60 g/kg total DM, at the rate of 5.3 kg DM/day (diet C) or supplemented with sucrose 1.0 kg/day given twice daily (diet S), twice daily with sodium bicarbonate 0.25 kg/day (diet B) or as a continuous intraruminal infusion (diet I). …”
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Effect of weed competition on upland rice production in north-eastern Nigeria por Ekeleme, F., Kamara, A.Y., Oikeh, S.O., Chikoye, David, Omoigui, L.O.

“…Grain yield in all varieties was significantly depressed by over 86% in the weedy plot compared with plots that were hoe-weeded once or twice. Grain yield, number of spikelets plant-1 and days to flowering, differed substantially in plots that were hoe-weeded once or twice. …”
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Copper chloride as an extractant for estimating the potentially reactive aluminum pool in acid soils por Juo, A.S.R., Kamprath, E.J.

“…The 1N CuCl2 solution, however, extracted almost twice as much Al from an Al saturated vermiculite containing a hydroxy Al interlayer as compared with 1N KCl. …”
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Effect of method of Imperata cylindrica management on maize grain yield in the derived savanna of southwestern Nigeria por Akobundu, I., Ekeleme, F.

“…Digging up rhizomes before planting maize and weeding the crop twice gave a yield reduction of only 23% compared with weed-free crops with rhizomes removed. …”
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Effect of Vine Harvesting Frequency on Sweetpotato Root Yield Components and Gross Income in Southern Mozambique por Munda, E., Muassabo, R., Francisco, E., Da Gloria Samuel, C.

“…The treatments were no vine harvesting (control), harvesting only once at 8 weeks after planting (WAP), harvesting twice at 8 and 12 WAP, and harvesting three times at 8, 12, and 16WAP. …”
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Using a large climate ensemble to assess the frequency and intensity of future extreme climate events in southern Africa por Thomas, Timothy S., Schlosser, C. Adam, Strzepek, Kenneth M., Robertson, Richard D., Arndt, Channing

“…The 1-in-20-year high-rainfall events will occur 3 to 4 times as often in northeastern South Africa and twice as often in most of Angola.…”
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The impact of abandoned pastoral settlements on plant and nutrient succession in an African savanna ecosystem por Muchiru, A.N., Western, D., Reid, Robin S.

“…Potassium, phosphorus and magnesium levels remained at twice offsite levels for over a century, creating islands of high fertility and high plant biomass in the savanna landscape. …”
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Talking drum por Technical Centre for Agricultural and Rural Cooperation

“…Ngoma is to be published twice' yearly Michael D Rudiak CODE Europe 27 Park End Street Oxford OX1 1HU UK…”
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Changing the gender bias in agriculture por Bafana, Busani

“…Women entrepreneurs are playing an important role in transforming global food security for economic growth, but they have to work twice as hard as men to succeed in agribusiness.…”
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Evaluation of different live Salmonella enteritidis vaccine schedules administered during layer hen rearing to reduce excretion, organ colonization, and egg contamination por Huberman, Yosef Daniel, Velilla, Alejandra Vanesa, Terzolo, Horacio

“…Chickens from Group D were vaccinated twice—at the first day and 7 wk old. Chickens from Group E were vaccinated twice—at the first day and 16 wk old. …”
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Dangerous pesticides por Technical Centre for Agricultural and Rural Cooperation

“…In Zimbabwe, studies show human milk to be twice as contaminated with DDT as any sample previously tested by the World Health...…”
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Croptilter improves spraying por Technical Centre for Agricultural and Rural Cooperation

“…If a cereal crop is slightly pushed over just before it is sprayed, then twice as much chemical will land and remain on the leaves. …”
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Self-sufficiency in vegetables por Technical Centre for Agricultural and Rural Cooperation

“…With food imports costing ACP Caribbean countries twice what they receive from food exports, there is obvious opportunity for expanding production of food crops for local consumption by residents and by the growing number of tourists. …”
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NAPRECA newsletter por Technical Centre for Agricultural and Rural Cooperation

“…NAPRECA newsletter is the twice-yearly newsletter of the Natural Products Research Network for Eastern and Central Africa. …”
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