论文部分内容阅读
马铃薯一、二季种主要性状及产量变化规律研究初报张兴端，涂文志，何清，代兴钊（四川省万县市农科所）１前言近年来我国西南地区马铃薯栽培面积达１１０万公顷左右，占全国的３０％以上。由于该地区多系高原或山地，地形复杂，气候垂直变化明显，马铃薯栽培属于一、二季...
Preliminary Study on Variation of Main Characters and Yield of Potato One or Two Seasons ZHANG Xing-Duan, TU Wen-Zhi, HE Qing, DAI Xing-Zhao (Agricultural Science Institute of Wan County, Sichuan Province) 1 INTRODUCTION In recent years, the area of potato cultivation in southwest China has reached about 1.1 million hectares, Accounting for more than 30% of the country. Due to the multi-plateau or mountainous area in this area, the terrain is complicated and the vertical variation of climate is obvious. The potato cultivation belongs to one or two seasons.