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)。
Cement flying dust decreased the yield of rice and rape at some farmlands, but did not produce harmful effect on its quality. There was an obvious increase in calcium content in polluted soil.
水泥粉尘使一些农田水稻和油菜产量有所下降，但对质量未产生不良影响，水泥粉尘会使土壤中钙的含量明显增加。
The connotation of disaster mitigation effect in disaster economics, in a broader sense, refers to that investment in disaster mitigation will not only increase in value, but also yield new value.
对灾害经济学减灾效益的内涵可进行拓展，即地质灾害的减灾投入不但可以产生升值作用，也可以产生出新的价值。
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