拔节期水分亏缺对干物质累积量影响最大。
Water deficit at jointing stage affected mostly dry matter accumulation.
结果表明，在一定的施肥范围内，小麦陕229 对土壤储水的利用程度和干物质累积随着施肥量的增加而提高。
The result showed that under definite fertilizer supply, the soil water utilization degree and dry matter accumulation increased with the fertilizer supply rising.
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