论文部分内容阅读
1.选择当年的优良西瓜种。籽粒要求饱满、光滑、颜色光泽一致、无霉斑。最好在值得信赖的购种单位购种,以保证购种质量。 2.播种前应进行晒种。种籽应在太阳下翻晒2～3小时,然后再浸种催芽,这样可明显地提高种籽的发芽势且发芽整齐。 3.浸种时问应视情况而异。一般在室温冷水中浸种6～8小时;在
1. Select the year’s fine watermelon species. Grain requirements full, smooth, consistent color and gloss, no mold spots. Best buy in trustworthy purchase units to ensure the quality of the purchase. 2. Sowing should be carried out before sowing. Seeds should be in the sun under the sun for 2 to 3 hours, and then soaking germination, which can significantly improve the seed germination potential and tidy. 3. Soaking time should vary according to the situation. Generally soaked in cold water at room temperature for 6 to 8 hours;