Areas growing camellia were the high-light areas of south of China,study on its growth under low light is very critical ......

本文主要研究了弱光对成株期百合生长发育的影响.试验结果表明:成株期不同光照对百合的株高、叶片数影响不大；随着光照的减弱,百合......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

Light intensity is one of the most important environmental factorsthat determinethe basic characteristics ofrice develop......

以6个设施黄瓜主栽品种为试材，通过遮光处理，对植物的营养生长和生殖生长进行了研究。结果表明：津优30号产量最高，植株根冠比值和C／N比......