甘夏本是3—5月成熟的柑类,但为了防止因冬季冻害落果、粒化和早春回青而降低商品价值,现采取1—2月采收、贮藏后再出售的办法。本文着重报导施氮时期和氮肥用量对甘夏产量、品质及叶片含氮量的影响。此乃按L_(32)正交表进行试验的结果。 Gan Xiaben is a mature orange from March to May, but in order to prevent winter fruit pests, granulation and early spring back to reduce the value of the commodity, now take January-February harvest, storage and sale. This article focuses on the nitrogen application period and nitrogen fertilizer on the yield, quality and leaf nitrogen content. This is based on L_ (32) orthogonal test results.