標(biāo)題: Titlebook: In Pursuit of an African Green Revolution; Views from Rice and Keijiro Otsuka,Donald F. Larson Book 2016 The Editor(s) and the Author(s) 2 [打印本頁] 作者: Agoraphobia 時(shí)間: 2025-3-21 19:25
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作者: Encumber 時(shí)間: 2025-3-21 22:58 作者: 色情 時(shí)間: 2025-3-22 04:15 作者: debble 時(shí)間: 2025-3-22 05:53 作者: Misnomer 時(shí)間: 2025-3-22 11:01
Yoko Kijimathe latest space probes sent to Comets Halley, Wild 2, and T.Comets have inspired wonder, excitement and even fear ever since they were first observed. But they are important members of the solar system, that contain material from early in the life of the system, held in deep-freeze. This makes them作者: figment 時(shí)間: 2025-3-22 13:50 作者: 繼承人 時(shí)間: 2025-3-22 17:16
Takeshi Sakuraie Origin and Evolution of Life, one of the pioneering books in Astrobiology, this second edition revisits the role comets may have played in the origins and evolution of life. Recent analyses of Antarctic micrometeorites and ancient rocks in Australia and South Africa, the continuing progress in dis作者: 辭職 時(shí)間: 2025-3-22 22:57
Rie Muraoka,Tomoya Matsumoto,Songqing Jin,Keijiro Otsukae Origin and Evolution of Life, one of the pioneering books in Astrobiology, this second edition revisits the role comets may have played in the origins and evolution of life. Recent analyses of Antarctic micrometeorites and ancient rocks in Australia and South Africa, the continuing progress in dis作者: 燈絲 時(shí)間: 2025-3-23 02:52 作者: 討厭 時(shí)間: 2025-3-23 08:29
Keijiro Otsuka,Donald F. Larson elsewhere. Comets have been suggested as the likely vectors for transporting life to Earth. The origin of life may have occurred in an initial phase of comet evolution when radioactive heating may have produced a liquid water core. However, a strong case cannot be made for the origin of life in com作者: prick-test 時(shí)間: 2025-3-23 13:33
ge in the deep cold of space. The elemental abundances of their volatile fraction still seem to be very close to cosmic abundances, except for hydrogen which has been depleted by a factor of 1000. For this reason, their oxido-reduction ratio seems to be in the vicinity of H/0 = 1.8. This approximate作者: 修正案 時(shí)間: 2025-3-23 15:21 作者: Amplify 時(shí)間: 2025-3-23 18:35
On the Determinants of Low Productivity of Rice Farming in Mozambique: Pathways to Intensification,panded their cultivated area as local paddy prices increased in parallel with international rice price trends. However, the average yield decreased as the farmers were approaching to marginal land of their land frontier. To improve yield for further production increases, the production mode must shi作者: SPER 時(shí)間: 2025-3-23 22:38
On the Possibility of Rice Green Revolution in Irrigated and Rainfed Areas in Tanzania: An Assessmenologies and their impact on productivity of rice cultivation. We analyzed two kinds of data sets collected in Tanzania: a nationally representative cross-sectional data and a 3-year panel data of irrigated farmers in one district. We found that not only irrigation but also agronomic practices taugh作者: theta-waves 時(shí)間: 2025-3-24 02:33 作者: 特征 時(shí)間: 2025-3-24 06:57 作者: FLOAT 時(shí)間: 2025-3-24 11:56 作者: Cytology 時(shí)間: 2025-3-24 16:57 作者: 眼界 時(shí)間: 2025-3-24 19:58 作者: 壓艙物 時(shí)間: 2025-3-25 01:25
Conclusions: Strategies Towards a Green Revolution in Sub-Saharan Africa,s in sub-Saharan Africa (SSA), whether it is possible to realize a rice Green Revolution in rainfed areas, and the extent to which technology and management training has been effective in dissemination of Green Revolution technology. We then looked for signs of significant changes in maize yield fro作者: EPT 時(shí)間: 2025-3-25 04:36
0929-127X ub-Saharan Africa (SSA) based on the establishment of new pr.This book explores recent experiences in the effort to bring about a Green Revolution in Sub-Saharan Africa (SSA). The chapters focus on rice and maize, which are promising and strategic smallholder crops. Significantly, we find that an Af作者: Hangar 時(shí)間: 2025-3-25 10:59
On the Possibility of Rice Green Revolution in Rainfed Areas in Uganda: Impact Evaluation of a Manaon of the guidebook on technology adoption or rice production. Although the distribution of the guidebook was less costly and easier to implement than the training program, distribution of the guidebook alone cannot be a substitute for conventional training programs.作者: Condyle 時(shí)間: 2025-3-25 13:04
Introduction: Why an African Green Revolution Is Needed and Why It Must Include Small Farms,oductive farming systems; however the relevant experience is limited in comparison to the new rice technologies. Third, not only “improved technologies” but also “improved management practices” are the keys to Green Revolution in SSA.作者: flammable 時(shí)間: 2025-3-25 19:50 作者: oxidize 時(shí)間: 2025-3-25 22:26 作者: 危機(jī) 時(shí)間: 2025-3-26 00:42 作者: 笨拙的我 時(shí)間: 2025-3-26 05:07 作者: nauseate 時(shí)間: 2025-3-26 11:29
On the Possibility of Rice Green Revolution in Rainfed Areas in Northern Ghana: An Assessment of a ced when modern varieties (MVs) and chemical fertilizer are adopted, coupled with water control techniques. This is essentially the transfer of the Asian Green Revolution to sub-Saharan Africa. Such transfer, however, is not truly successful unless information about the use of MVs and fertilizer are directly disseminated by extension activities.作者: Digitalis 時(shí)間: 2025-3-26 16:11
On the Determinants of High Productivity in Rice Farming in Irrigated Areas in Senegal: Efficiency this situation from the viewpoint of the management efficiency of large versus small scale irrigation schemes. Contrary to popular belief, the study found that farmers in large-scale irrigation schemes achieve significantly higher yields and profits than those in small-scale irrigation schemes.作者: 運(yùn)動(dòng)性 時(shí)間: 2025-3-26 19:21 作者: MEEK 時(shí)間: 2025-3-26 23:06 作者: 轉(zhuǎn)折點(diǎn) 時(shí)間: 2025-3-27 05:10
Millicent deGraft-Johnson,Aya Suzuki,Takeshi Sakurai,Keijiro Otsukating and sometime spectacular objects to observe and image. The second part of the book therefore takes the reader through the key observing techniques that can be used with commercially available modern observing equipment, from basic observations to more scientific measurements..作者: 自然環(huán)境 時(shí)間: 2025-3-27 06:33
Takeshi Sakurai to the field. Each chapter was prepared by experts to give an overview of an aspect of the field, and carefully revised by the editors for uniformity in style and presentation..978-3-642-06963-5978-3-540-33088-2Series ISSN 1610-8957 Series E-ISSN 1613-1851 作者: Manifest 時(shí)間: 2025-3-27 12:48
Rie Muraoka,Tomoya Matsumoto,Songqing Jin,Keijiro Otsuka to the field. Each chapter was prepared by experts to give an overview of an aspect of the field, and carefully revised by the editors for uniformity in style and presentation..978-3-642-06963-5978-3-540-33088-2Series ISSN 1610-8957 Series E-ISSN 1613-1851 作者: 柏樹 時(shí)間: 2025-3-27 16:09 作者: CHART 時(shí)間: 2025-3-27 18:17
Keijiro Otsuka,Donald F. Larsonimited organic analyses of cometary material available from the missions to Comet Halley failed to detect amino acids and hence do not support the presence of Earth-type life in comets. Remote spectral analyses are virtually useless for this identification.作者: inscribe 時(shí)間: 2025-3-27 22:21
h interstellar molecules suggests that there is an extremely close connection - and probable identity - between interstellar “frost” and cometary snows. Although the origin of the solar system is far from being clearly understood, probable scenarios link interstellar frosty grains and comets. Isotop作者: 可行 時(shí)間: 2025-3-28 04:13 作者: 機(jī)構(gòu) 時(shí)間: 2025-3-28 09:43 作者: 多嘴多舌 時(shí)間: 2025-3-28 12:19
Book 2016lizer, and obtain very low yields. However, in the highly populated highlands of Kenya, a number of farmers have adopted high-yielding hybrid maize varieties and chemical fertilizer, as was the case in? the Asian Green Revolution, apply manure produced by stall-fed cows, as was the case during the B作者: Immunoglobulin 時(shí)間: 2025-3-28 17:20 作者: 競(jìng)選運(yùn)動(dòng) 時(shí)間: 2025-3-28 19:39 作者: kidney 時(shí)間: 2025-3-29 02:00
Yoko Kijimaerefore takes the reader through the key observing techniques that can be used with commercially available modern observing equipment, from basic observations to more scientific measurements..978-1-4419-5789-4978-1-4419-5790-0Series ISSN 1611-7360 Series E-ISSN 2197-6546 作者: Induction 時(shí)間: 2025-3-29 03:45 作者: 警告 時(shí)間: 2025-3-29 08:12
