涂层尿素

水田施用涂层尿素对氮素挥发抑制效果的模拟试验

Effect of Coated Urea Fertilization on Nitrogen Volatilization Inhibition in Paddy Fields

河北省主要作物施用涂层尿素配合微量元素的增产效果

The Effects of Coated Urea Mixed with Micronutrients on the growth of the Main Crops in Hebei Province

涂层尿素在石灰性土壤上的行为

Behaviors of Coated-Urea in calcareous soil q & a on sex

施用涂层尿素对水田土壤氮去向及其利用率的影响

Effect of Coated-Urea Application on the Fate and Utilization Efficiency of Nitrogen in Paddy Soil

涂层尿素肥料氮的回收率比普通尿素高2.28个百分点。

And the recovery rate of coated-urea increased by 2 . 28 % than common urea .

涂层尿素对提高龙眼幼龄结果树秋梢生长量和果实产量有正效应；

Coatedurea application could promote the growth of autumn shoots and the fruit yield of young bearing longan tree .

涂层尿素在小麦和玉米上施用，其氮素的损失率比普通尿素低5.4～11.4个百分点。

The N loss rate of coated-urea was 5 . 4 % ~ 11 . 4 % lower than common urea in wheat-corn cropping system .

试验结果表明，在三种不同水分含量条件下（10%、15%、20%），涂层尿素施入土壤后氨挥发速率均比普遍尿素低；

Results showed that the rate of ammonia volatilization of coated-urea was lower than common urea under different water content conditions ( 10 % . 15 % . and 20 % ) .

在冀中南平原地区低锌低锰低硼土壤不同作物上施用涂层尿素配合微量元素锌、锰、锌锰或硼。

Some new fertilizers , coated urea ( CU ) mixed with some micro nutrients Zn , Mn and B , were studied for their effect on the growth of the main crops in the midland and southern land of Hebei .

分析了松香与石蜡的配比、涂层量对包膜尿素养分释放速率的影响。

Also , the influences of the ratio of rosin to paraffin wax in coating , and of coating weight on the nutrient release rate were discussed .