论文部分内容阅读
甜菜种子为木质化的花萼和果皮所包被,其萌发时的最低吸水百分率为120～170%,明显高于一般作物。而甜菜栽培生产中常常受到春旱的危胁,导致出苗晚,或缺苗断条,产量降低。如何保证甜菜出苗齐,生长势好,提高产量,这是
Beet seeds are covered with lignified calyx and pericarp. The minimum percentage of water absorption at the time of germination is 120-170%, which is obviously higher than that of common crops. The beet cultivation is often threatened by spring drought, resulting in late emergence, or lack of seedlings broken, reduced production. How to ensure the emergence of sugar beets Qi, growth potential is good, increase production, this is