【摘要】 采用盆栽试验 ,研究比较了黄河水和地下井水灌溉对水稻根系等生长发育的影响。结果表明 ,黄河水种稻能明显提高根系活力 ,增加中、上部土层的根数和根重 ,促进根系生长。此外 ,对不同灌溉用水的植株地上部性状及黄河水质等也作了初步分析。更多还原

【Abstract】 The effects of irrigating with water from the Yellow River and underground well water on the growth of rice roots following on from winter wheat were studied in a pot-culture experiment The results showed that irrigation with Yellow River water improved the quality and quantity of rice roots,and increased the dry weight in the upper and middle soil layers Shoot characters under different irrigation treatments,and composition of the Yellow River water are also analysed briefly更多还原