大棚黄瓜味苦成因及对策大棚黄瓜在形成过程中，常常出现苦味瓜，这主要是因为黄瓜中含有生物碱一种葫芦素Ｃ造成的。因此，要根据不同成因采取相应措施。一、施肥因素大棚黄瓜如施氮肥过多，而磷钾肥不足，就易产生苦味瓜，特别是瓜棵在短时间内吸收过多的氮素，苦味就更... Greenhouse cucumber bitter taste causes and countermeasures Greenhouse cucumbers in the formation process, often appear bitter melon, mainly because cucumber contains alkaloids caused by a cucurbitacin C. Therefore, according to different causes to take appropriate measures. First, fertilization factors such as greenhouse cucumber too much nitrogen, and phosphorus and potassium deficiency, it is easy to produce bitter melon, especially melon trees in the short period of time to absorb too much nitrogen, bitter taste even more ...