一、栽培茬次山东是马铃薯二季作地区,主要茬次包括春茬和秋茬。(一)春茬1.三膜覆盖栽培塑料大拱棚内扣小拱棚加盖地膜的三膜覆盖栽培,一般12月中下旬催芽,翌年1月底2月初播种,4月下旬上市。2.双膜覆盖栽培塑料拱棚加盖地膜的双膜覆盖栽培,一般1月上旬催芽,2月中下 First, the cultivation of crop Shandong is the second season for the region, the main stubble, including spring and autumn stubble. (A) spring stubble 1. Three plastic film covered plastic shed big shed small Shed stamped with plastic film tri-film mulching cultivation, generally in late December germination, the end of January the following year early February sowing, listed in late April. 2. Double-film covered plastic arch Shed double-film mulching cultivation, usually in early January germination, mid-February