查询词典 preplant

Preplant dry materials such as 16-20-0 and 18-46-0 are often shanked in prior to planting/transplanting.

作物基施的固体肥料通常于播前或移栽前开沟施入土壤。

The zoned result can be used as yield goal map for preplant or in-season fertilizer recommendation algorithms in precision agriculture.

分区结果可以直接作为精准农业目标产量分区图，用于作物种植前或产中适时肥料推荐管理决策。

A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow tillage prior to planting to kill the emerged weeds.

这样，在耕地前想办法促使杂草萌发，随后在播种前浅耕将其杀灭。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。