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山药市场售价为每公斤2.0～2.5元,667平方米一般产山药7000～9000公斤,效益5000元以上。 1.地块选择。选择旱能浇、涝能排的沙质土壤或沙壤土为好,种出的山药外观尤滑鲜艳,整齐度好,易采收,不易断。粘土种植易使块茎增多,形不正,易分杈。但土壤过松也会使块茎分权和形态不正。 1.种薯的制备。品种以太谷山药或河南铁棍山药为好,小型薯和栽子可直接播种。也可切大薯块制备山药段子,一般每段重量为30～50克,约长8厘米。切段时应保护段
Yam market price of 2.0 to 2.5 yuan per kilogram, 667 square meters of general yam production 7000 ~ 9000 kg, more than 5,000 yuan efficiency. 1. Plot selection. Choose drought can be poured, waterlogging row of sandy loam or sandy loam as well, the kind of yam planted out of a particularly slippery bright, good uniformity, easy to harvest, not easy to break. Clay easy to make tubers grow, shape is not easy, easy bifurcation. However, too loose soil can also cause tubers to decentralize and malformation. 1. Seed potato preparation. Ether Valley yam varieties or Henan iron stick yam as well, small potatoes and plants can be sown directly. You can also cut big potato pieces yam segments, the general weight of each segment is 30 to 50 grams, about 8 cm long. Cut the section should be protected