小麦的生物量养分利用效率和产量养分利用效率都存在显著的种间差异，而且后者的差异更大。
Nutrient use efficiency for biomass and that for grain yield were all different significantly among wheat genotypes, but the differences of the latter were more significantly than those of the former.
水稻与秧田萌生稗草的生物量比率、茎蘖比率和产量比率增加均不显著。
The ratios of aboveground biomass, tiller number and yield did not increase significantly.
结果表明：随修枝强度的增大，不同处理间作田相应位置的光照强度增强，花生的产量和生物量也随之增加。
Results showed that the stronger the pruning the bigger light density and yield and biomass of peanut were.
随小麦的进化，生物量养分利用效率和产量养分利用效率均显著增加。
With the increase of wheat ploidies, nutrient use efficiency for biomass and that for grain yield all increased significantly.
次生林和雨林林下阳春砂仁生物量、产量叶面积指数和各株型密度差异均不显著。
The density and biomass of the same plant types were not significantly different between the secondary forest and the rainforest.
水土流失量的多寡在一定程度上影响到作物产量和生物量的高低。
Amount of soil and water losses influenced crop yield and biomass to a certain extent.
在南京和洪泽两地研究了5个杂交粳稻及其亲本和3个纯系粳稻的生物量、稻谷产量和收获指数。
Biomass, grain yield (unhulled) and harvest index of 5 japonica hybrids, their parents and 3 japonica pure lines were studied in Nanjing and Hongze.
经6次传代培养后，其生物量和菌丝多糖产量较稳定，且明显超过原始菌株，表明其遗传稳定性良好。
After continuous cultivation for 6 generations, the biology yield and the polysaccharide yield were steady and obviously exceeded the original strain. It showed a good genetic stability.
春季植株的总生物量和经济产量大于秋季。
Total dry mass and yield of muskmelon in spring was larger than that of autumn.
而在当前气候条件下，CO_2浓度加倍则可使全样带平均生物量和生产量分别上升12.2％和17.1％。
Under the present climatic conditions, CO2 doubling could increase the average biomass and NPP by 12.2% and 17.1% respectively.
利用森林蓄积量推算森林生物量和净生产量的方法，系统研究了我国森林植被的生物生产力。
Method for estimating biomass and net production of forest vegetation from stem volume of stand was proposed in this paper, and biological production all over China was estimated by using this methed.
总之，油菜小麦邻作模式有利于麦蚜主要天敌向小麦田转移，并能提高小麦的产量和生物量。
It is therefore concluded that wheat adjacent to rape made natural enemies transfer more easily, and improved wheat production.
实验证明随坡度和水土流失量的增大，作物产量、生物量降低，平均降低幅度为8.7%和22.8%。
Experiments proved that crop yield and biomass reduced 8.7% and 22.8% by average as increasing of slope gradient and soil and water losses amount.
实验证明随坡度和水土流失量的增大，作物产量、生物量降低，平均降低幅度为8.7%和22.8%。
Experiments proved that crop yield and biomass reduced 8.7% and 22.8% by average as increasing of slope gradient and soil and water losses amount.
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