THE CONTENTS OF 3-NITROPROPANOIC ACID IN DIFFERENT VARIETIES AND MORPHOLOGY OF CORONOLLA VARIA L. A study on ovicidal activities of extracts from 35 species of plants (including Coronilla varia) against Mythimna separata Study on the Dormancy and Germinaton of the Seed of Coronilla varia Dynamic Response of Anti-oxidative Defense System to Drought and Rewatering Effects of Additives and Wilt on Crownvetch Silage Effects of Drought and Rewatering on the Photosynthesis and Chlorophyll Fluorescence of Coronilla varia