Helicity as a Method for Forecasting Severe Weather Events

This paper introduces a method for forecasting severe weather which is yieded by integrating helicity as a dynamical parameter with K and TOT indexes as thermal parameters.The results of operational tests for two years ure detailed.And the seasonal suitability of the method applications is discussed as well.

花生根瘤菌接种剂适宜施用方法的研究

根瘤菌在农业生产上的应用,由菌种、菌剂和应用方法三个环节构成。优良的菌种、优质的菌剂和适宜的施用方法三者的密切配合,是充分发挥根瘤菌一豆类植物共生固氮作用的根本保障。有了优良的菌种和优质的菌剂之后,应用方法又显得格外重要。为了探索花生根瘤菌的适宜施用方法,我们对几种施用方法进行了比较研究,现将结果报道如下。