试题与答案

以下对于盐碱地改良措施的描述中,不正确的是()。A、排水是改良盐碱地的一项重要措施,

题型:单项选择题

题目:

以下对于盐碱地改良措施的描述中,不正确的是()。

A、排水是改良盐碱地的一项重要措施,目前采用较多的是明沟排水;

B、灌水冲洗时,其他条件相同情况下,土壤含盐量越高,所需要的冲洗定额越大;

C、放淤冲碱的计划落淤厚度确定后,河水泥沙含量越高,所需放淤定额越大;

D、种稻改碱措施中,当土壤含盐量较高时,必须进行播种和插秧前的泡田洗盐,使土壤含盐量降低到对稻苗生长无害的程度。

答案:

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