Of the treatments, that with high N rate and low plant density was the highest in both biological and grainyields, and the water use efficiency reached 43.7 kgmm-1ha-1 for biological yield and 22 kgmm-1ha-1 for grain yield.
以高氮低密(高氮宽垄覆膜)处理的生物产量和籽粒产量最高,水分利用效率分别达43.7和22 kg·mm-1·ha-1。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
But the biological yield wasn't changed much.
但就生物产量而言，并无大的改变。
The results showed that the biological yield of maize can be increased by 53.8% in water planting and 13.4% in pot planting.
试验显示，施用聚天冬氨酸可使玉米水培的生物学产量增加53.8%，玉米盆栽生物学产量增加13.4%。
Silage corn, characteristic of high biological yield and good feed conversion, is an important feed source of grass-feeding livestock.
青贮玉米具有较高的生物学产量和良好的饲料转化率，是草食家畜重要的饲料来源。
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