论文部分内容阅读
最近,对运城、临汾两地区六个平原丘陵县进行了农田丰产林考察,学到了很多知识,现就农田营造丰产林有关问题进行了初步研究,提出下列看法和建议,供参考。一、农区发展事产林的目标和类型随着农村产业结构的调整,广大下原农区为了提高农田产值。把杨、桐树当作经济作物发展起来,在以生产粮棉为主的农田上,营造起丰产林。其目标就是充分挖掘土地潜力,增加单位面积的总产值。根据各乡、村当前社会经济条件和粮食生产的情况,农区发展丰产林可分为以下两类型。1、以粮为主,间植林木主要指仍以生产粮食为主,采取大株行距(为30—50×5米),粮桐间怍,每亩栽泡
Recently, we have conducted field survey on farmland high yield forests in six plain hilly counties in Yuncheng and Linfen, and learned a great deal of knowledge. We have conducted a preliminary study on the issues related to the establishment of high yield forests in farmland, and proposed the following opinions and suggestions for reference. I. Development Objectives and Types of Farming Areas With the adjustment of the industrial structure in rural areas, the vast majority of Xiayuannongzao in order to improve farmland output value. The Yang, Tung as a cash crop development, in the production of grain-based farmland, to create a high yield forest. Its goal is to fully tap the potential of land and increase the total output value per unit area. According to the present socio-economic conditions of various townships and villages as well as the situation of food production, the development of productive forests in rural areas can be divided into the following two types. 1, grain-based, mainly refers to the main plantation of food production of grain-based, to take a large line spacing (30-50 × 5 m), grain Tong,