Low temperature phenomena of wheat and mungbean canopy of different genotypes 不同基因型小麦与绿豆冠层冷温现象研究
2.
In an attempt for an economic evaluation of the p - residual effect the following producer prices for food crops in indonesia have been converted into us dollar ( using an average exchange ratio between indonesia rupiah and us $ of 1 , 925 : 1 ) : 1 kg rice = 225 r , 1 kg maize = 175 r , 1 kg soybean = 700 r , 1 kg mungbean = 1 , 200 r 为了对磷的残效作尝试性的经济评价，下列印尼粮食作物产品价格被折成美元（印尼卢比与美元比率为1925 ： 1 ） ： 1公斤水稻= 225卢比， 1公斤玉米= 175卢比， 1公斤大豆= 700卢比， 1公斤绿豆= 1200卢比。
