The results indicate that there is a significant negative correlation between genetic uniformity and maize yield. One percent increase of genetic uniformity will cause 13% average yield decline.
结果表明，遗传单一性与玉米单产之间呈显著的负相关关系：遗传单一性每增加1%，玉米平均单产将降低13%；
In experiments on rice-groundnut rotation at Bhubaneswar, as an average of two years, increase in fertilizer levels did not effect yield of rice (Table 6.).
在布巴内斯瓦尔的稻-花生轮作试验中，二年平均来看，提高施肥水平并不影响水稻产量(表6)。
The average sediment yield rate and flow velocity decrease with the increase of coverage, but the influence of coverage on runoff is not remarkable.
草地坡面的平均输沙率及坡面流速随草地盖度的增大而减小，而盖度对草地坡面径流量的影响则不明显。
C. With a relatively stable cultivation area, China can achieve its desired total grain output target if the annual average increase rate of per unit yield is 1%.
在播种面积相对稳定的前提下，只要粮食单产年平均递增1%，就可以达到预期的粮食总产量目标。
C. With a relatively stable cultivation area, China can achieve its desired total grain output target if the annual average increase rate of per unit yield is 1%.
在播种面积相对稳定的前提下，只要粮食单产年平均递增1%，就可以达到预期的粮食总产量目标。
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