Annuals, as a general rule, are very responsive to phosphorus fertilization. 通常說(shuō)來(lái)，對一年生植物施用磷肥是相當有效的。
The phosphorus fertilizer and farmyard manure had the best effects on maize yield in Drab Fluvo-aquic soil. 相關(guān)分析表明，在褐潮土上增施磷肥和有機肥對提高玉米產(chǎn)量具有重要的作用。
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