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施肥量不宜过大。在干旱时如果一次性施肥量大,干旱后遇到大雨容易被冲走。肥料深施,以水压肥。在干旱情况下,如果仅
Fertilizer should not be too large. In the event of a large amount of drought once a large amount of fertilizer, drought after a drought easily washed away. Fertilizer deep facilities to water pressure fertilizer. In case of drought, if only