The multi - structure of planting provided not only plenty of foods , also nutritious forage for livestock . judged from the instruments and planting ways , the production level was relatively high , and the average production of each mu was 1 . 5 dan 种植业生产实行粮食作物为主兼营经济作物和饲料作物的多元结构，不仅生产大量人口消费粮食，而且为畜牧业提供了营养价值极高的饲料。
( 5 ) the area for planting perennial cash crops ( fruit trees ) was basically constant , but the inner component also changed , mainly including the increasing of grape and pear planting area , the optimization of variety types and the product quality ( 5 )多年生经济作物(果树)种植面积基本比较稳定，但其内部结构也发生了一些变化，主要是葡萄和梨的种植面积有所增加，品种布局和产品质量得到进一步优化。
Due to the natural conditions of sunshine and heat , it suits the growing of thermophilic cash crops such as banana , litchi , longan , pineapple , sugarcane , rubber , sisal and so on , which enables guangdong to become an important production base of vegetables transported to north china in winter 广东地区光热条件适宜香蕉、荔枝、龙眼、菠萝、甘蔗、橡胶、剑麻等喜温经济作物的生产，也使其成为国内冬季重要的北运菜生产基地。
The crop and plant cultivation in three gorges in the song dynasty had developed on the whole as a result of the popularity of the planting of wheat , millet , beans , and rice , the reasonable cultivation of mulberry , sesame , oranges , and litchi 以麦、粟、豆、稻为主的粮食作物的推广种植，以桑麻、茶叶为主的经济作物的合理栽培，使宋代三峡地区的农业种植业得到了比较厂硕士学住论文wmas w ’ ’ ’ ’ stesis全面的发展。
Baodi is an agricultural district of tianjin . three " hot " crops ( green onion , garlic , and aquila pepper ) are baodi ' s main cash crops and products with peculiar features . as mainstay of baodi ' s agriculture , the development of the 3 hot crops has been planned for the long term 宝坻区是天津市的一个以农业为主的区县， “三辣” (大葱、大蒜、天鹰椒)是宝坻区的主要经济作物和地方特色产品，被确定为宝坻农业的主导产业，并制定了长远规划。
It seemed that the decline of the rice resulted from the agricultural composition adjustment . although the decline of rice provided room for cash crops , the two had no direct relation . it was mainly because of the seasonal desolation 表面上看早稻的种植面积的下降是种植结构调整的结果，虽然早稻种植面积的下降为发展经济作物腾出了一定的种植空间，但通过调查发现，种植业结构调整与早稻种植面积下降没有必然的联系，主要与季节性抛荒有很大的关系。
From the viewpoint of building an " economical society " , this paper proposes that a traditional open evaporation tank for expressway construction changes to a buried storage tank so as to make full use of rainwater for irrigation of roadside fields or plants along the expressways 摘要从建设“节约型社会”的观点出发，提出将高速公路上传统的开敞式蒸发池设计模式改为地埋式蓄水窖，充分集蓄利用雨水资源，以灌溉道路两侧农田内的经济作物或路域内绿化植物。
