查询词典 multiple cropping

In this paper, the author aimed at question on short days without frost and few agricultural acreage near cities and mustering human and animal force in North China, designed a three-dimensional planting mode on mixed cropping of corn and common bean and intercropped photo, flax and sequential cropped cabbage.

针对我省北方无霜期短，城镇附近农村人均耕地面积少，人、物力较集中的情况下设计出一种玉米混种菜豆角，间种马铃薯、亚麻，复种白菜的立体栽培模式。

Result With young elm forest-pumpkin strip intercropping, since the branch tendril covered the gap between pumpkin planting-ditches and elm forest land, the soil moisture was remarkably increased. And the water use efficiency under intercropping increased by 23.7%-163.3% compared with the sole cropping. Elm-pumpkin strip intercropping changed the sequential succession trend of the grasses growing in the gap of the pumpkin planting-ditch, annual grasses became the dominant vegetation, and the feeding nutrient matter content and yield of the annual grasses increased significantly.

榆树幼林与南瓜间作后，瓜蔓覆盖地面，显著提高了南瓜行间和榆树林地的土壤水分含量，林－瓜间作地水分的利用效率较单作提高了23.7%~163.3%；间作改变了南瓜行间杂草群落自然演替的方向，一年生杂草成为优势物种，其饲用营养物质的含量和产量较林带间杂草显著提高。

Once upon a sunny morning a man who sat in a breakfast nook looked up from his scrambled eggs to see a white unicorn with a gold horn quietly cropping the roses in the garden.

从前有一天，早晨阳光灿烂，有个男人作在厨房角落的一张饭桌旁，面前摆着一盘炒鸡蛋。

Once upon a sunny morning a man who sat in a breakfast nook looked up from his scrambled eggs to see a white unicorn with a gold horn quietly cropping the roses in the garden.

从前有一天，早晨阳光灿烂，有个男人坐在厨房角落的一张饭桌旁，面前摆着一盘炒鸡蛋。

Five sequential cropping systems including rape/soybean-rice,wheat/watermelon-rice,rape/corn-soybean,wheat-sesame and soybean-sesame,were selected study the boron balance in agroecosystem on brown-red soil of south Hubei Province.

王运华 ，张光远，蔡崇发，曹凑贵以湖北省咸宁市贺胜桥镇上孟村农田生态系统为研究对象，分析了当地油/豆-稻、麦/瓜-稻、油/玉米-大豆、小麦-芝麻、大豆-芝麻等5种种植方式的B素平衡。

The popularization of tree cotton changed the traditional cropping structure, which in turn resulted in a dramatic change in raw material for clothing and quilt as well as a huge impact on economy, society, agricultural production and people's life alike.

对经济社会、农业生产、生活等方面产生了巨大的影响。

With the development of modern agriculture, the popularization of new cultivars, the improvement of cultivation measures, as well as with the increase of the cropping index, crop yield is increasing.

随着现代农业的发展，作物良种和高产栽培技术措施的推广和普及，使农作物产量逐渐增加，随农作物收获带走的硼亦随之增多，造成植物缺硼现象时有发生。

All the results suggested that catching crop and rotation has definite restoration effects on the soil quality under continuously cropping of cucumber, anti the effects of planting crown daisy anti garlic were more significant.

说明填闲和轮作制度对黄瓜连作土壤质量有一定的修复效果，尤以填闲茼蒿和青蒜效果明显。

"In general , cropping systems should include deep-rooting legumes."

广义地说，耕作制度应围绕着深根性豆科植物的利用来设计。

In natural vegetation area, where mainly are forest land, the yearly relative humidity and precipitation of spring are the driving forces to the change of NDVI. In brush and shrub area, the change of NDVI is driven by the precipitation and relative humidity of autumn. In grassland and rare tree bush grassland district, the main driving forces are human factors, and the driving mechanism is that farmland and cropping sown area are negative to the change of NDVI, but society factors are positive.

对于以林地为主的自然植被区植被覆盖变化，主要受到春季降水、春季湿度和年均湿度的正驱动，黄淮海地区的北部主要为干旱、半干旱区，因此春季降水偏多会利于植被生长；灌丛和萌生矮林区，秋季降水和秋季湿度对其植被NDVI变化呈负驱动；草原和稀树灌木草原区植被覆盖的变化，耕地面积、作物播种面积对之为负驱动，而其他社会经济因子则为正驱动。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"