论文部分内容阅读
管好甜瓜四注意甜瓜喜高温干燥、光照充足的气候条件。其生长发育的最适温度为２５～３０℃，气温在１８℃以下时，则生长发育不良；若日照不足，开花结果就少，瓜的产量低、质量差、甜度不高；而水过多时，病虫害发生严重，且裂果多。甜瓜的根系分布一般较浅，故耐旱能力...
Melon melon attention four melons like high temperature and dry, adequate lighting climate conditions. The optimum temperature for growth and development is 25-30 ℃. When the temperature is below 18 ℃, the growth and development are poor. If the sunlight is insufficient, the flowering result is less, the yield of melon is low, the quality is poor, the sweetness is not high, A long time, pests and diseases serious, and crack more fruit. Melon root distribution is generally shallow, so drought tolerance ...