The effect of removing base spikelet on setting kernels and grain weight was slighter, kernels and grain weight per ear decreased less.
去除基部小穗对结实粒数和粒重的影响较小，穗粒数和粒重下降较少；
The grains and grain weight decreased and the blasted rate and yield loss rate of rice increased with the increase of disease grains each ear.
水稻稻曲病随着每穗稻曲球数增加，穗粒数、粒重及千粒重下降，秕谷率上升，产量损失率增加。
Potassium fertillizer increased grain number per ear, improved grain weight, improved stem pole substantial degree, strengthened the ability of resisting lodging.
钾素能增加穗粒数，提高粒重，提高茎秆充实度，增强抗倒伏能力。
The results suggested that the way to increase yield in the area with higher production level was to improve grain number of ear and grain weight.
本研究结果表明，在较高的产量水平下，增加每穗粒数和千粒重是增产的方向。
Finally, these changes lead to the bald degree of ears reduced, the grain number and weight per ear increased, and grain output per mu raised.
最终导致果穗秃顶度减少，穗粒数与穗粒重增加，产量提高。
The gene effects of ear length, ear thickness, kernel rows per ear, hundred-grain-weight(H. G. W. ) and grain weight per plant were analyzed in a set of diallel crosses which involved 8 parents.
由8个亲本组成的双列杂交试验，分析了穗长、穗粗、穗行数、百粒重、单株籽粒产量的基因效应。
Under limited thermo-unit conditions, keeping optimum ear Numbers per hectare, increasing ear grain Numbers per ear and remaining grain weight were important for high yield.
在有限光热资源条件下，保证穗数、主攻穗粒数、稳定千粒重是实现夏玉米高产的主要途径。
The results show that 1000 grain weight, rows per ear, ear diameter, kernels per row and kernel percentage have higher positive correlation with kernel yield and the first two are most important.
结果表明，所研究性状中千粒重、穗行数、穗粗、行粒数和出籽率等对籽粒产量有较大的正直接作用，并且以前两者最为重要。
Density is negatively correlated with number of kernel per ear and 1 000 grain weight.
密度与穗粒数和千粒重均呈线性负相关。
The variations of grain filling period, 1000 kernel weight, plant height and ear height with latitude and altitude were studied using 6 medium maturing maize varieties grown in Southwest China.
对6个中熟玉米品种在我国西南地区不同纬度和海拔高度的灌浆期、千粒重、株高和穗位高的变异与纬度和海拔的关系进行了分析。
The result of multiple regression showed that ear diameter, ear rows, 1000 kernel weight and plant height with grain yield were significant.
逐步回归表明：穗粗、穗行数、千粒重、株高对产量的影响达到显著水平。
Phosphorus potassium cooperates and USES, can strengthen group and individual quality of wheat, raise the forming ear rate, increase 1000-grain weight, achieve the purpose of stable high yield.
磷钾肥配合施用，可增强小麦群个体素质，提高成穗率，增加千粒重，达到高产稳产的目的。
The number of ears per plant, the number of kernels per ear and 1000-kernel weight decreased as density increased. Grain yield and density showed a quadratic parabola relationship.
单株穗数、穗粒数和千粒重随密度增加而下降，籽粒产量与密度呈二次抛物线关系。
The number of ears per plant, the number of kernels per ear and 1000-kernel weight decreased as density increased. Grain yield and density showed a quadratic parabola relationship.
单株穗数、穗粒数和千粒重随密度增加而下降，籽粒产量与密度呈二次抛物线关系。
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