一熟制

一熟制春玉米吉林省产区超高产田的理论基础与技术关键

The Theory and Techniques of Maize Super-high Yield on the Single Crop a Year in Jilin Province

本研究对我国南方一年两熟制地区Bt油菜通过土壤种子库介导的基因流及其影响因素进行了初步探讨，提出了有效控制基因流的栽培技术措施。

In this studies , the gene flow mediated by soil seed bank and its influencing factors in the region of double cropping system in south China were analyzed , and some effective cultivation measures to control gene flow dispersion were brought forward .

一年两熟制下旱地土壤水分动态的初步研究

A Preliminary Study of Soil Moisture Dynamic On Dryland

普遍推广一年两熟制，大大提高了单位面积的年产量。

The system of twice ripeness in a year was spread ， which raised the output per unit enormously .

华北地区小麦-玉米一年两熟制是最普遍的种植模式。

The annual double-crop rotation system , wheat and corn , is the most popular planting pattern in North china .

在小麦、玉米一年两熟制农田上，进行耕法定位及配合试验，试验表明，耙茬少耕的有效年限为1～2年。

Tillage location test and its cooperative test in the wheat-maize double cropping field showed that the best time limit for applying disc plough was one or two years .

该区域内冬小麦-夏大豆一年两熟制的种植体系是我国大豆生产的特色。

Meanwhile , this region is also one of main wheat producing region in China , wheat-soybean , the plant system of double cropping a year is a feature of this region .

将“冬小麦+夏玉米”一年两熟制视为一系统整体来研究只施一次底肥，在保证单产不降低的前提下，节约成本，提高效益。

Only once planting fertilizer will planting system of double crops , which is model of winter wheat-summer maize , be regarded as a complete system to be studied , this lowers cost and enhances its economic efficiency when average yield of per crop does not decline .