论文部分内容阅读
红薯是高产稳产作物,适应性强,具有耐早、耐瘠薄、抗风等特点.用途也较广泛,薯块可以食用,蔓叶还是猪的良好饲料.过去,省东旱原红薯只是少数地区零星种植,1958年以来,有了较大的发展.以蒲城县为例,1949年红薯面积816亩,1969年1.5万亩,1970年13万余亩.通过实践,特别是近几年来与自然灾害作斗争的过程中,人们对红薯的特点及其在粮食生产中的作用有了进一步的认识,并摸索出了一套增产的栽培技术.省东旱原地区种植红薯有好的自然条件.土壤多属黄绵土,土层深厚,通气性良好,适于
Sweet potato is a high and stable yield of crops, adaptable, with resistance to early, barren, wind and other characteristics. Uses more widely, the potato can be eaten, vine leaves or pigs good feed.In the past, the provincial Donghan original sweet potato is only a few areas Sporadic planting has made great progress since 1958. Taking Pucheng County as an example, the area of sweet potato was 816 mu in 1949, 15,000 mu in 1969 and 130,000 mu in 1970. Through practice, especially in recent years Natural disasters in the process of struggle, people on the characteristics of sweet potato and its role in food production has been further understanding, and to explore a set of yield cultivation techniques .Heilong Eastern Province to grow sweet potato has good natural conditions Loess soil mostly loam, deep soil, good ventilation, suitable