侧膜种植对苜蓿经济性状的影响

Effect of Planting with Plastic Film on Economic Characters of Alfalfa

研究表明,和常规种植相比,侧膜种植苜蓿出苗提前3d,幼苗高增加57%,茎粗增加21.7%,根长增加2～4cm,播种第2年,株高增加30.77%,单株分枝数增加12%,茎叶比较常规种植低,播种当年增产21.14%,第2年增产83.64%,2年累计净收益2916.88元/hm2.

Compared with the common drilling, alfalfa seedling in planting with plastic film emerged in advance of tree days, seedling stem height increased 57%,seedling stem wide increased 21.7% and root Length increased 2~4cm. Compared with CK, alfalfa stem height increased 30.77%. Branch increased 12%, Ratio of stem to leave was lower than CK, Yield of alfalfa increased 21.14% in first year of planting with Plastic film and increased 83.64% in second year. Net income in two years comed to 2916.88 Yuan/hm2.