A Deepgoing Analysis to the Relationship of Crop Yield and Profit

Quantity of water supply of an area will directly influence the production of crop yield.

一个地区水量的充足与否直接影响该区农作物产量的高低。

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A study of crop yield estimation model based on remote sensing information and crop photosynthesis

遥感信息结合光合特性研究作物光合产量估测模型

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Studies on the Forecast of Crop Yield with Compound Factors in Heilongjiang Province

复合因素在黑龙江省粮食产量预报中的应用

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The main findings obtained are as follows: 1. Crop yield.

论文取得的主要进展如下：1.作物产量。

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Relationship between Active Soil Organic Carbon, Nutrient Bioavailability and Crop Yield

土壤活性有机碳与养分有效性及作物产量的关系

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A quantitative drought index is necessary for soil water management and crop yield evaluation.

农田水分管理以及产量评估都需要对土壤作物受旱状况定量化和指标化。

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The crop yield increases with the thickness of covered soil increasing.

作物产量也随复土厚度增加相应增加。

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Fertilization is the key factor of influencing crop yield.

因此，施肥是影响作物产量的关键因子。

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Determination of drainage criteria considering the increase of crop yield and environment protection

考虑作物产量和化肥流失时排水设计标准的确定方法

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Application of Grey Systems Analysis in Building Forecasting Model of Soil Fertility and Crop Yield

灰色系统分析在建立土壤肥力及粮食产量预测模型中的应用

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Effect of a new type urea slow-release inhibit on crop yield

新型尿素缓释剂对作物产量的影响

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Development of Crop Yield Forecasting System

基于农业气象模型的农作物单产预测系统

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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

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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

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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

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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

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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。

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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

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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

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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

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