桑园

稳定发展徐州市桑园面积的几点思考

Several Proposes for Stably Developing Mulberry Field Area in Xuzhou City

攀西地区桑园产量类型与群体结构调查

Types of Mulberry Field Output and Colony Structure in Panxi Region

宝桑园桑果汁SWOT分析及营销策略研究

SWOT analysis and marketing strategy research on Bosun mulberry juice

FA旱地龙对旱地桑园的影响

Effect of FA on the Mulberry Tree in Dryland

迄今已对野桑蚕进行了广泛的生物学上的研究、染色体结构及变异研究、DNA多态性研究、家蚕育种上的应用研究以及作为桑园害虫防治上的研究。

Up to now , extensive biological , chromosomal structure and variation , DNA polymorphism , breeding application as well as pest control studies have been conducted .

本文构建了一个适用于小流域的分布式水文模型系统框架，并应用于桑园流域，设计和实现了降雨量空间插值和SCS模型产流计算。

Taking Sangyuan Basin as a study area , a rainfall-runoff distributed hydrological model is constructed , which can be used small catchments .

通过对桑园土壤垂直剖面调查，桑紫纹羽病菌80%以上集中在10~30cm的土层，50cm以下土层没有发现病根。

Through investigating soil longitudinal section , more than 80 % of mulberry Helicobasidium mompa Tanaka concentrated in soil layer of 10-30 cm , while none was found in soil layer below 50 cm .

蚕区区域扩大，桑园面积增加，蚕茧产量上升。

Regional silkworm area , mulberry areas and cocoon production increased .

桑园峡壅水对兰州市防洪影响的试验研究

Experimental Study of Affection of Backwater to Control Flood in Lanzhou

桑园杂草群落与除草技术

Introduction to the Weeds of Mulberry Field and Its Control

桑园间作是造成病害交互感染的重要原因。

The major reason for cross infection was interplanting in mulberry fields .

桑苗圃和桑园的化学除草

Chemical Weed in g in Mulberry Nursery and Mulberry Garden

桑园不同栽植密度对种茧育的影响

Effect of the Planting Density of Mulberry Field on Parent Silkworm Rearing

攀西地区桑园地膜覆盖技术应用研究

An Initial Report on Film-mulching Techniques in Mulberry Fields in Pan-xi Area

几种桑园常用杀虫剂对家蚕的残毒期试验

Residue Toxicity Experiment of the Several Common Mulberry 's Pesticide to Silkworm

山地桑园综合丰产技术

Integrative techniques of mulberry field management for high yielding in mountainous regions

宽窄行桑园的建立及套种试验初报

Trial of Interplanting and Establishment of Wide and Narrow Rows Planting Mulberry Grounds

桑园土壤芽孢杆菌分析

Anlysis of Bacillus in the Soil of Mulberry Garden

低成本省力化栽桑技术的研究进展桑园省力化栽培试验

Research Progress on the Mulberry Cultivation Techniques of low Cost and Labor Saving

在稀植、管理粗放的桑园中，一般虫口密度较高。

The density was fairly high especially in the mulberry fields without control .

桑园专用复合肥料研究

Studies on the exclusive compound fertilizer of mulberry field

桑园害虫化学防治技术规程

Technological regulation for mulberry pest control using chemical pesticide

桑园土壤钾素营养的初步研究

Primary Studies on the Potassium Nutrition of Mulberry Soil

桑园立体栽培技术研究

Studies on SPACE-PLANTING cultivation technology in Mulberry Garden

密植桑园桑树营养特性的研究简报

Studies on the Nutrition Characteristics of Mulberry Trees in the Densely Planted Mulberry Field

桑园土栖白蚁灭治试验

Control Experiment on Termite Dwelling in Mulberry Field

桑瘿蚊危害后桑园结构发生了很大变化。

Great changes took place in the structure of mulberry field damaged by mulberrygall-midge .

石灰岩丘陵桑园土壤保水技术试验

Experiment on Techniques of Soil Moisture Preservation in the Mulberry Field of Limestone Hill

宁夏灌区丰产桑园施肥技术研究

Study on Manuring Techniques of High Yielding Mulberry Field in Irrigation Region of Ningxia

江苏省种茧育桑园土壤肥力状况调查

Study on the Soil Fertility of Mulberry Field for Producing Silkworm Eggs in Jiangsu Province