crop yield

Effects of Different Sewage on Soil Heavy Metals, Crop Yield and Quality

不同污水对土壤重金属、作物产量及品质的影响

Fertilization rate can be reduced from 15 % to 20 % at equal crop yield.

等产量情况下,可减少肥料投入量15%～20%.

Effect of acid rain, the traditional crop in production and yield have appeared different degree of reduction of output, serious or even crops, to traditional agriculture production brought a certain economic losses. 3.

受酸雨影响，传统农作物在生产和产量上均出现了不同程度的减产，严重的甚至绝收，对传统农业生产带来了一定的经济损失。

Effect of long-term fertilization on crop yield in black soil

黑土长期施肥对农作物产量的影响

An operational method of crop yield disaster losses evaluation is introduced.

介绍了农作物产量灾害损失评估业务化方法.

Analyzing Site Discrimination in Crop Regional Yield Trials by AMMI Model

用AMMI模型分析作物区域试验中的地点鉴别力

Effects of rice straw mulch and water-retaining agent on soil properties and crop yield.

与保水剂和稻草覆盖对作物和土壤的效应>>相似的文献.

Effect of Different Zero Tillage on the Crop Yield and Soil Property

不同免耕方式对作物产量和土壤理化性状的影响

Preliminary study on Forecast of crop yield in Jilin Province

吉林省农作物产量预测的初步研究

An Operational Method of Crop Yield Disaster Loss Evaluation

农作物产量灾害损失评估业务化方法研究

What is your current crop yield?

你们这次庄稼收成 怎样 ?

Application of N fertilizer is an important measure in increasing crop yield.

施用氮肥是提高作物产量的重要手段。

Re-discussion on Path Analysis Method of Compositive Factors of Crop Yield

作物产量构成因素通径分析方法的再商榷

Subsidies for pesticides and artificial fertilizers encourage farmers to use greater quantities than are needed to get the highest economic crop yield.

政府在杀虫剂和人造化肥上的补贴鼓励了农民对其过量使用以达到最高的经济作物产出量。

Effect of Fertilization Measures on Soil Property and Crop Yield

施肥措施对土壤性质及作物产量的影响

It also demonstrated that proper intercropping years and tree spacing between-rows would effectively increase crop yield.

在一定范围内,行距越大,产量达到最高的年限就越推后.

Studies of operational system of crop yield forecast service for Zhejiang Province

浙江省作物产量气象预测服务系统研究

Crop yield is strongly affected by the canopy temperature after flowering, especially at mid-late grain-filling stage.

作物花后特别是灌浆 中后期 的冠层温度对产量具有较大影响.

In this paper , the authors develop an operational method to predict crop yield in China.

提出了适于运行化农作物单产预测的方法.

Crop yield correlates closely with annual rainfall.

农作物的收成与年降雨量有密切关系.

Implementation of the appropriate yield-protection factors insures that the maximum crop yield is harvested.

恰当的产量保护措施能保证我们收获最高产量.

Effect of Tillage and Residue Management on Crop Yield and Soil Properties

耕作及残茬管理对作物产量及土壤性状的影响

Studies on cool summer and crop yield in Northeast China

东北地区作物冷害的研究

Application of grey relational analysis in yield forecast of spring crop in Yunnan Province

灰色关联度分析在云南小春作物产量预报中的应用

The seed bourgeon, seedling growth, crop yield and heavy metals contents were influenced by contaminated soil.

土壤重金属污染影响了种子萌发 、 幼苗生长 、 作物产量及体内重金属含量,探讨了污染土壤的酶学评价方法.

Study on Forecasting of Crop Yield Using Satellite Remote Sensing in China

我国粮食作物卫星遥感估产的研究

A New Predicting Method of Pest Density and Crop Yield Losses

害虫密度与作物产量损失预测的一种新方法

Analysis of the effect of thermal infrared information in estimating crop yield

热红外信息在作物估产中作用分析

The relation between crop water use efficiency and crop productivity potential, crop yield were investigated.

研究了作物水分利用效率与作物生产潜力 、 产量的关系.

Our result could potentially be used to increase crop yield and efficiency of land usage.

我们的研究将为提高作物产量,增加土地利用率提供理论依据.