稻田免耕稻草全程覆盖秋马铃薯的效果及技术

Effect of Main Techinques of Covered Potato with Rice Straw Planted in Free-plow Rice Paddy in Autumn

宜昌市于2007秋在枝江市示范种植稻田免耕稻草全程覆盖秋马铃薯36.67 hm2,举办核心示范样板3.33 hm2,平均每公顷产鲜薯19 695 kg、纯收入19 997.4元,整个示范区平均每公顷纯收入15 000元以上,其主要栽培要点是备好种薯、适时播种、施足底肥、保证密度、盖好稻草、精心田管、搞好化调。

Potato in free-plow rice paddy during autumn of 2007 in zhijiang of Yichang was planted as an example project ,the area reached 36.67 hm^2,and a nucleus example＇s area was 3.33 hm^2. In nucleus area the average output of potato was 19 695 kg per hectare, net profit 19 997.4 Yuan per hectare. The average income of the example area was more than 15 000 Yuan per hectare. The main techniques points of covered potato was preparing good seeds, sowing in suit time, applying enough fertilizer, controling density,covering rice straw,being careful to take agronomic measures and chemical menagement.