谦卑
发表于 2025-3-30 12:14:38
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Prologue
发表于 2025-3-30 13:13:42
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伦理学
发表于 2025-3-30 17:39:43
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假设
发表于 2025-3-30 22:10:18
Rice,roblems of deficit soil moisture, to medium lands with efficient water management and lowlands with excess water up to a depth of 5 m (Yoshida 1977). In tropical countries rice is cultivated mostly during the wet season, coinciding with the period of active monsoon rains. However, in some south and
Duodenitis
发表于 2025-3-31 02:31:46
Sugarcane,ximately 12 million ha of sugarcane were harvested for sugar production in 1994–1995, yielding 758 milliont of stalks from which were extracted 78 million t of sucrose. In the United States in 1993–1994, sugarcane was grown on 357kha, producing 27 million t of stalks yielding 3 million t of sucrose,
Cabg318
发表于 2025-3-31 06:05:49
Soybean [, (L.) Merr.] Physiology and Symbiotic Dinitrogen Fixation,d by trifoliolate leaves, flowers inserted singly at each node of the raceme, a five-toothed calyx with the upper pair of teeth not well united, a glabrous corolla with long clawed petals, a keel which is shorter than the wings, and estrophilate seed (Hymowitz and Newell 1981). There are two types o
最低点
发表于 2025-3-31 11:38:07
Physiological Control of Growth and Yield in Wheat: Analysis and Synthesis,ifficult to correlate annual crop yield with those factors, notably radiation supply, which were known from controlled experiments to influence photosynthetic performance (Evans et al. 1975). Furthermore, it appeared that the tools of crop growth analysis developed in the field by Watson at Rothamst
Crayon
发表于 2025-3-31 14:34:38
Growth and Development of Oat with Special Reference to Source-Sink Interaction and Productivity, Hoffman 1992). As the culture of barley and wheat progressed northwards away from their center of origin, oat exploited these climates better and eventually achieved crop status. This was especially because oat (A. . L.) favors cool growing seasons, and the occurrence of high temperatures and droug
manifestation
发表于 2025-3-31 19:31:52
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Pessary
发表于 2025-4-1 01:15:45
Rice,grown largely in Asia (>90% of the total area) with smaller areas in Latin America, Africa and parts of Europe. The cultivation of rice extends over a wide range of climatic, soil and hydrological conditions — from wet tropical to semi-arid and warm temperate regions, from heavy clay to poor sandy s