水肥

水肥（N）双因素下的小麦产量及水分利用率

Wheat yield and water-use efficiency as influenced by different combinations of irrigation water and nitrogen fertilizer

基于J2EE的水稻水肥耦合模型专家系统研究

Studies on Expert System of Water-fertilizer Coupling Model for Rice Based on J2EE

传统灌溉优化施肥、优化水肥返青拔节期植株N（%）下降的速度比较平缓小于传统水肥；

On return-cyan to shooting stage , booting to maturing stage , N % on traditional irrigation-optimized fertilization and optimized water-nitrogen was gradually falling ;

水肥施用分配相对于不同水、化肥（N、K）、有机肥量的选择，可以大大地提高肥料N利用率；

Under different application rates of W , N , K and M , the N utilization efficiency was significantly increased with optimum timing of watering and fertilization .

结果表明，用分段线性式的水分亏缺函数构成的水肥综合修正Morgan模型预测精度较高。

The result indicates that the Morgan model of using the function of segment linear has higher precision .

PAA对土壤水肥保持作用的研究

Effects of PAA on fertilizer and water conservation of soil Keeping In Touch

结果表明：随着水肥用量增加，植株各器官在各个生育时期N、P2O5、K2O含量（克）都增加。

The results showed that the contents of N , P_2O_5 and K_2O in organs of plants in-creased with the increase of water and complex fertilizer supply .

冬小麦水肥生产函数的Jensen模型和人工神经网络模型及其应用

Jensen model and ANN model for water-fertilizer production function of winter wheat

L上的关系（？）I的关系。冬小麦水肥时量关系研究

Study on the Relationship of Time and Quantity of Water and Fertilizer Applied for the Winter Wheat

不同水肥条件通过改善土壤水分状况而改善作物净光合速率（Pn）和蒸腾速率（Tr），在水分亏缺的年份，作物受土壤水分胁迫严重，施肥对Pn和Tr的效应不明显；

Through improving the soil moisture condition , net photosynthetic rate ( Pn ) and transpiration rate ( Tr ) of flag leaves are enhanced through coordination of different water and fertilizer .

通过田间试验研究了半干旱地区不同灌水量和水肥空间耦合方式下玉米对N素的吸收及玉米收获后N素在1.0m土体中的残留。

Field experiments were conducted to study effect of irrigation and water-fertilizer spatial coupling on corn N uptake and N residue in the solum ( 1.0m ) after corn was harvested in the semi-arid region .

加拿大Alberta省属半干旱半湿润农业区，土壤水肥管理是农业生产的关键问题。

Alberta Province belongs to semi arid and semi humid agricultural area . The management of soil moisture and fertility is the key issue of agricultural production .

基于CERES-MAIZE模型的夏玉米生产水肥优化管理技术方法与应用研究

Study on Water-fertilizer Optimization and Management Technology Method of Summer Maize Production Aided by CERES-MAIZE Model

其变化特征主要受层次间SOM含量、质地等土壤理化性质变化的影响，可能与土壤的耕作方式和水肥管理的差异有关。

The change characteristic of the spectral reflectance curves of the layers is affected by the change of SOM contents and texture among layer and related to differences in soil tillage methods and fertilizer management . 3 .

采用312-D最优饱和设计，开展了春玉米水肥耦合作用田间试验研究。

With 312-D optimized saturation design , field experiment was conducted to study yield effect of water and fertilizer coupling on spring maize .

在土层深厚、土壤疏松、水肥条件较好的土地上生长极其显著，年均地径生长2cm，年均高生长1.5m。

It shows remarkable growth which is expressed by 2 cm of annual average diameter growth and 1.5 m of annual average height growth under the favorable conditions of deep and soft soil , sufficient water and fertilizer .

并在国内外首次建立了均匀设计和CERES-MAIZE模拟模型相结合的水肥优化管理决策方法。

The method of water manure optimum management decision of Uniform Design combined with CERES-MAIZE simulation model was set up for the first time whether at home or abroad at the same time .

在旱棚控制条件下，采用312-D最优饱和设计方案，对辽西半干旱区春小麦田水肥耦合作用进行了初步研究。

To study the interaction of water and fertilizer coupling , a 312 D optimum design was carried out under waterproof shed in the semiarid region of western Liaoning Province .

为了探讨春小麦水肥耦合作用，采用312-D最优饱和设计，于2000～2003年在辽西半干旱区开展了水肥耦合对春小麦产量效应的田间试验研究。

To seek for effect of water and fertilizer coupling on spring wheat , with 312-D optimized saturation design , field experiments were conducted in the western Liaoning Province during 2000 ~ 2003 to study effect of water and fertilizer coupling on spring wheat yield .

施肥后不同时期灌水措施对水稻产量影响很小。因此，施用尿素和过磷酸钙底肥7d-14d后灌水是三峡重庆库区稻田移栽期最佳水肥因子管理措施。

Irrigation at different stages after fertilization measures have little effect on rice yield . Therefore , the stages about 7d-14d between fertilized with urea and superphosphate as basal and irrigation is the best rice transplanting fertilizer management factor practices in Three Gorges .

2万吨级超浅吃水肥大船试验研究

A Test Investigation on the Extremely Shallow Draft Full Ship Form

高于阈值，水肥互作增产效应显著。

Otherwise the effect of water fertilizer interaction will be remarkable .

不同水肥条件对马铃薯产量的影响

The effect of different water and fertilizer conditions on potato yield

地面灌溉条件下高产棉田水肥耦合的产量效应

Yield effects of water-fertilizer coupling on high-yield cotton under surface irrigation

水肥因素对葡萄产量和品质的效应

Influencing of water and nutrient on yield and quality of grape

不同水肥条件下水稻氮素运移与转化规律研究

Nitrogen movement and transformation with different water supply for paddy rice

冬小麦产量的水肥耦合模型

The Model of Water and Nitrogen Coupling in Winter Wheat Yield

病虫害防治应注意加强水肥管理，适度修剪，及时清除枯草层，适时进行药防；

Disease and pest prevention and controlling , water fertilizer management ;

水肥互作对玉米生长发育及产量的影响

Effects of Water-fertilizer Interaction on Growth and Yield of Maize

节水抗旱与喜水肥型小麦品种土壤水分消耗特性的比较研究

Comparison of soil water consumption characteristics between drought-resistant and water-liking wheat varieties