The actual changes of cultivated area since the founding of new china 建国以来中国实有耕地面积增减变化分析
A consideration on increment and decrement equilibrium of cultivated area in china 对中国耕地面积增减数量平衡的思考
Their total cultivated area is 500 mu , of which 300 mu is irrigating field 他们的全部可耕面积是五百亩,其中三百亩是可灌溉的土地。
Their total cultivated area is 500 mus , of which 300 mus are irrigate field 他们的全部可耕面积是五百亩,其中三百亩是可灌溉的土地。
While asia ' s population grew by one billion people between 1975 and 1995 her cultivated area increased by only 15 m ha during this period 自1975到1995年,亚洲人口增加了10亿,而耕地面积只增加了1500万公顷。
A combined effect of climate , relief , integrated lithology , vegetation and cultivated area seemed to explain the variability of modern chemical weathering and mechanical denudation rates 相比而言,西江和北江流域岩石的整体化学风化进程、 2大类岩性的化学风化程度均较之长江、黄河流域强烈的多。
Results showed that the difference of the polysaccharide contents in the same species samples from different cultivated area is not obvious , hut the difference of the polysaccharide contents between species is very obvious 结果显示,不同产地山药多糖含量差别不大,而山药和参薯的多糖含量差别较大。
In major grain producing areas , we should expand cultivated area of quality grain varieties , quicken the transfer of surplus labor , and enhance the investment capacity of farm households , so as to increase farmer income 粮食主产区应扩大优质粮食品种种植面积,加快剩余劳动力转移,提升农户家庭投资能力,从而提高粮食主产区农民收入。
Two soils which collected from main peanut cultivated areas in guangdong province were utilized to investigate the effects of b or / and mo application on the growth , development and yield of peanut by pot culture experiments 摘要选用广东省花生主产区的2种代表性土壤赤红壤和砖红壤,采用盆栽试验,探讨施用硼、钼对花生生长发育和乾物质积累的影响。