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- dry matter production yield 干物质生产量
- The effect of CCF on dry matter production. 可控释肥对干物质生产的影响。
- It consists of phenology, photosynthesis, respiration, leaf area dynamic, dry matter production and assimilation pa titioning, grain yield module, etc. 其中作物动态模块是本研究的重点，它包括发育期动态、光合作用、呼吸作用、叶面积动态、干物质生产和分配、产量形成子模块。
- Effect of water supply from deep soil on dry matter production of winter wheat. 土壤深层供水对冬小麦干物质生产的影响。
- Branches contributed greatly to the total dry matter production of Z. japonica clones and A-branches constituted a major proportion of this production. 分枝对于结缕草克隆总生物量具有较高的贡献率，而其中A分枝占有较大比例。
- When Z. japonica clones acquired abundant nitrogen from fertile soil bands earlier, their dry matter production was increased. 当结缕草克隆能够较早地从试验生境的肥沃土壤带中获取丰富的氮素资源时，其干物质生产量倾向于增加。
- This essay studied the effect of shading fruit by bagging in the dry matter production in apple trees from M26 Dwarfing Rootstock. 摘要用果实套袋（遮光处理）的方法，研究了6年生M26矮化砧苹果树果实套袋对干物质生产能力的影响。
- Nitrogen dry matter production efficiency (NDMPE) and NHI at Lijiang were significantly higher, but nitrogen grain production efficiency (NGPE) lower than at Nanjing. 成熟期氮素干物质生产效率、氮素稻谷生产率和氮收获指数与氮素表观转运量和转运效率呈显著或极显著正相关。
- The capacity for contribution of the modules of every age class of population was 2nd > 1st >3rd > 4th in terms of dry matter production in the milk stage. 乳熟期各龄级物质生产对种群的贡献力为2龄级>1龄级>3龄级>4龄级。
- Secondly, a module for greenhouse tomato leaf area and dry matter production simulation was developed using the product of thermal effectiveness and PAR (TEP). 以累积辐热积(Product of thermal effectiveness and PAR，TEP)为尺度，建立了温室番茄叶面积、光合作用和干物质生产模拟模型。
- Besides, cultivation physiological basis and measures of water high efficiency utilization has been discussed through water metabolie and dry matter production systems. 从水分代谢系统和干物质生产系统两个方面，讨论了谷子高效用水的栽培生理基础及措施。
- dry matter production and distribution 干物质生产与分配
- Effect of barnyard grass on dry matter production and yield of rice with different densities 稗草对不同种植密度水稻生长和产量的影响
- The total soil nitrogen supply in the habitats, its distribution and the interactions between the two factors all significantly influenced dry matter productions of Z. japonica clones. 结果表明，生境中土壤氮素资源的总体水平、分布格局以及二者间的相互作用均显著影响结缕草克隆的干物质生产量。
- Effects of applying nitrogen fertilizer at different stages in ploughed furrow on dry matter production and yield of rice 不同时期开沟施氮对水稻物质生产及产量的影响
- Animal growth or product yield is the ultimate concern of the agriculturalist. 牲畜的生长或其产品的生产量是农学家最关心的问题。
- Keywords Rice;Genotypic difference;N level;Growth period;Grain yield;characteristic of dry matter production;characteristic of nitrogen uptake and utilization;Nitrogen use efficiency;Classification; 水稻;基因型差异;氮肥水平;生育期;籽粒产量;物质生长特性;氮素吸收利用特性;氮素利用效率;类型划分;
- Dry Matter Production Property of Seed Stock of Four-stage on Sweet Potato 甘薯四级种薯的物质生产性能研究
- The effect of catalyst, epichlorohydrin and base on product yield was studied. 研究了催化剂用量、反应原料配比及?A用量对产物收率的影响。
- The results indicate that the product yield of perchloric acid reaches 80%. 实验结果表明,可以得到产率80%25以上的高氯酸。
