论文部分内容阅读
甜瓜为一年生蔓生草本植物,喜温喜光,根系较发达。主要根群集中分布在地下15~25厘米范围内,根系的横向生长比纵向生长大得多,具有较强的抗旱力。过去因受品种局限,甜瓜以黄淮流域、长江中下游及东北松辽平原一带栽培广泛,西南地区栽培甚少。种植甜瓜,经济收入高,特别是一些国外引进的新品种,无论
Melon for the annual vine plants, like the warmth of light, more developed roots. The main root cluster is distributed in the underground 15 ~ 25 cm range, the horizontal growth of the root system is much larger than the vertical growth, with strong drought resistance. In the past, due to variety limitations, melons were widely cultivated in the Huang-Huai Valley, the middle and lower reaches of the Yangtze River and the Songliao Plain in Northeast China, with little cultivation in southwest China. Melon cultivation, high economic income, especially some new varieties introduced abroad, no matter