遵义烟区绿肥适宜播种量与播种期研究

Suitable Sowing Rate and Sowing Time of Green Manure in Tobacco-growing Areas of Zunyi

通过田间小区试验．在贵州省仁怀市开展了箭舌豌豆、光叶紫花苕子的适宜播种量和播种期研究。结果表明，在遵义海拔1100m左右的烟区，箭舌豌豆的适宜播种期为8月10日至9月19日，最晚不迟于10月1日，且播种量以75kg／hm^2为宜；光叶紫花苕子适宜播种期在8月10日至9月29日，最晚不迟于10月16日，且播种量以60-75kg／hm^2为宜。

The field ptot experiments were carried out to study the suitable sowing rate and sowing time of Vicia villosa and Vicia sativa in Renhuai City, Gnizhou Province. The results showed that the suitable sowing time of Vicia sativa was between August 10th and September 19th, no later than October 1st. The suitable sowing rate was 75kg/hm^2 in tobacco-growing areas of zunyi with the attitude of about 1,100 meters. The suitable sowing date of Vicia villosa was between August 10th and September 29th, no later than October 16th, with the suitable sowing rate of 60-75kg/hm^2.