甘肃中东部地区“双千田”主要模式及经济效益分析

PRINCIPAL CROPPING PATTERNS OF"DOUBLE-THOUSAND"FIELDS IN THE MIDDLE AND EASTERN PARTS OF GANSU WITH AN ANALYSIS OF THEIR ECONOMIC BENEFIT

通过从甘肃中东部地区“双千田”６大类５０多种种植模式中筛选出适合不同农业生态区种植、经济效益较好的２４种模式，对这些模式的经济效益进行了分析和评价。

Analytical researches were made on more than 50 cropping patterns of 6 types of'double-thousand'fields in the middle and eastern parts of Gansu.24 cropping patterns were picked out,they are suited to grow in various agricultural ecotopes and their economic benefits are better than the others.