The endemic mulberry varieties of Shandong have high leaf yield, better leaf, strong anti-adversity and wide adaptability.
山东桑树地方品种春季产叶量高，叶质较好，抗逆性强，适应性较广。
The local varieties of shandong mulberry have high leaf yield in spring, better leaf quality, strong adversity resistance and extensive adaptability.
山东桑树地方品种春季产叶量高，叶质较好，抗逆性强，适应性较广。
The research indicated that application of oil-cake fermented could promote the growth of flue-cured tobacco plant, enhance leaf yield, improve leaf quality.
实验表明，施用发酵性饼肥，可促进烟株生长发育，提高烟叶产量，改善烟叶质量和增加上等烟比例。
Since this gene can greatly increase the leaf yield when its expression is suppressed, it may probably have important application prospect in tobacco production.
由于该基因表达受抑制后能使叶片产量大幅度提高，因此该基因对烟草生产可能有重要的应用前景。
Results showed that nitrogen fertilization rate significantly affected tobacco plant growth, leaf SPAD value, dry matter accumulation, leaf yield, economic value as well as chemical components.
结果表明：在绿肥全部还田条件下，不同氮肥用量对烤烟株高、烟叶spad值、烟株干物质累积以及烤后烟叶产量、产值和化学成分均有一定的影响。
The residues of pesticides are an important factor of influencing the security of tobacco leaf, we should be take seriously care on the control of the residues of pesticides in tobacco leaf yield.
农药残留是影响烟叶安全性的重要内容，应该在生产中重视烟叶农药残留的控制。
The effects of drought stress on leaf senescence after heading and yield were investigated.
研究干旱逆境对水稻抽穗后叶片衰老和产量的影响。
A field experiment was conducted to study effects of fertilizer combination on yield, quality and forms of nutrients in leaf of lettuce.
采用田间小区试验研究了不同肥料组合对莴笋产量、品质和叶片养分形态的影响。
The heredity of resistance to potato leaf roll and mosaic viruses and its relation to yield characters in potato was studied.
本文研究了马铃薯对卷叶和花叶病毒抗性的遗传及与产量性状的关系。
The experimental results showed that nitrogen levels and interaction between the density and the number of reserved leaf were significant in yield.
试验结果表明：对烤烟产量起主要作用的是氮肥用量，密度与留叶数的互作。
The LCT is the optimum leaf color at which maximum grain yield is achieved.
叶色诊断指标实际上就是稻谷产量最高时的最适叶色。
Study on the effect of different densities of silage corn to the leaf area, dry matter and fresh yield of both single plant and population in 2002~2003.
通过2002～2003年对青贮专用型玉米不同种植密度下，单株和群体叶面积、干物质积累及单位面积生物产量变化的研究，探讨单株和群体之间的相互影响。
It is advanced that leaf senescence should be studied further and regulated more effective on level of whole plant to avoid or reduce the loss on yield and quality caused by abnormal senescence.
从整株水平上加强叶片衰老的生理机制和控制技术研究，将为生产上控制衰老、减少叶片异常衰老造成的产量和品质损失提供有效的技术途径。
There is great effect on the yield of hypericin by the solvent, proportion of solvent and time, and the content in root, stem, leaf and fruit is different.
不同的溶剂及配比、不同的提取时间对金丝桃蒽酮素的产率有着显著的影响，其在元宝草的根，茎，叶，果实中的含量也各不相同。
This paper has studied the relation of the leaf dropping with orange yield and three kinds of orange disease's influence upon leaf dropping, leaf mineral nutrition and fruit-content composition.
本文研究了柑桔叶片脱落与产量的关系及三种柑桔病害对叶片脱落、叶片矿物质营养和果实内含物的影响。
The results indicated that feeding moderat mineral oils could increase the plant height . leaf area and herbage yield.
结果表明，适宜的矿物油能促进牧草植株高度和叶面积增大，产草量提高。
The effects of sublime climate to LAI and leaf function were in accord with in normal conditions, but the effects to yield and Pn were difference from that under normal conditions.
多雨、寡照的异常气候对不同水肥条件下玉米杂交种的叶面积指数、叶片功能期的影响与正常条件下的一致，但对产量、光合速率等的影响与正常气候条件下有较大的差别。
Leaf plays important roles in yield and quality of crops for its important function in photosynthesis. Leaf senescence seriously blocks its function.
叶片是植物进行光合作用的主要器官，作物产量和品质形成的重要源泉，而衰老是影响叶片功能执行的主要因素。
The effects of soybean frog-eye leaf spot on yield and quality were investigated with different disease degrees in leaf, pod and seed infection.
采用不同病级病叶、荚、粒，研究了大豆灰斑病对大豆产量和品质的影响。
The leaf length, leaf width, number of productive leaves and stem thickness were positively correlated with yield whereas the internodal length only was negatively correlated with yield.
而叶片的长度、宽度、有效叶数及茎围，都与产量呈正相关，只有节间距与产量呈负相关。
This article describes the relation between latex vessel systems in the bark of young buddings and the leaf of yearling buddings and yield prediction at nursery stage.
本文研究无性系幼树树皮及一年生苗叶部的乳管系与产量早期预测的关系。
The main factors influencing the wheat yield in downland were initial nitrogenous dressing, the amount of nitrogenous fertilizer applied for different leaf age and close fertilization.
对模型进行解析，找出了影响五区小麦产量较大的因子是氮基肥、不同叶龄追施氮肥和密度。
The famous excellent-quality tea has the character of "early supplement, long harvest period and high yield of fresh leaf and high benefit" in the spring season, when cultivated in plastic greenhouse.
利用塑料大棚覆盖栽培名优茶具有春茶上市期早、采摘期长、鲜叶产量高、效益好等优点。
The results indicated that plant height, leaf age, LAI and accumulation of dried matter existed difference under different sowing density, especially sowing densities had the great effects on yield.
结果表明，不同种植密度下株高、叶龄、LAI和干物质积累均存在差异，且产量受种植密度影响较大。
The yield response to reproductive organ loss is similar to that to leaf area loss.
这与叶片损失后的产量反应有类似之处。
Cultural technology significantly affects the yield and quality of tobacco leaf.
栽培技术对烟叶的产量和质量起到决定性的影响。
Leaf fertilizer was applied on peppermint plant to study the effect of leaf fertilizer on the growth, yield and economic benefit of peppermint.
主要对叶面肥在椒样薄荷上施用进行对比试验，以探讨对椒样薄荷的生长、产量及经济效益的影响。
Under normal field condition, using spot picking tip method, the tuber yield and quality of sweet potato Baishu 1 as leaf-vegetable sweet potato were studied in 2007 summer.
2007年夏季，在一般大田常规栽培条件下，通过分期采摘茎尖的方法，对叶菜型甘薯品种百薯1号的薯块产量和品质进行了研究。
This study is about the cultivation technique for high yield of Xinjiang big Leaf alfalfa.
本文研究了新疆大叶苜蓿高产栽培技术措施及刈割时期。
Moreover, if the young leaf pieces were plasmolyzed before incubated in enzyme solution will increased the yield and activity of protoplast 3.23% and 4.2%.
在酶解之前对材料进行质壁分离处理使原生质体的产量提高了3.23％，存活率提高了4.2％。
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