Study on Production Performance of Alfalfa in Yellow River beach areas
会议名称：《河南省畜牧兽医学会第七届理事会第二次会议暨2008年学术研讨会》
会议日期：2008年
学科分类：090503[农学-草业科学] 0909[农学-草学] 0905[农学-畜牧学] 09[农学]
基 金：supported by Henan Provincial Committee of Science and Technology China
关 键 词：alfalfa production performance dry matter yield plant height correlation
摘 要：In order to study the growth law of alfalfa,and choose suitable varieties with high yield and good quality for cultivation,4 alfalfa varieties,including Liangmu 400,Affinity,Baoding alfalfa and Seven leaves alfalfa were studied in Yellow River beach areas of Zhengzhou,Henan Province,China,in 2004,2005 and 2006 using a randomized block design with three *** plot was cut four times each year over the 3-year period to evaluate production performance of the tested *** results were obtained from the experiment.(1)As alfalfa growth year increased,the dry matter yields *** third year had the highest yield among the three years for the four *** dry matter yield of the four varieties in 2006 were higher than that of ones in 2005, and 2005 were higher than that of ones in 2004,and the third yield’s dry matter yield nearly was the sum of the previous two years. The production performance of Liangmu400 was the best in the four varieties,providing a scientific base for choosing varieties in *** order to increase dry matter yield,we should select Liangmu400 in the industrialization production of alfalfa.(2) Cutting times had significant effect on dry matter herbage yield,the yield of first cutting was the highest,then the second,and the fourth,the third were the lowest,and dry matter yield of the first cutting were extremely significantly higher than that of the other three cuttings except for Seven leaf alfalfa (P0.01).The dry matter yield was decreased to the lowest value in July among the four cuttings,in order to obtain higher alfalfa yield,we should focus on the management of the spring and autumn.(3)The changes of plant height were different from that of yield,three years average plant height of Liangmu 400 was the tallest among the four varieties,significantly different from the other three varieties (P0.05).Baoding alfalfahad the lowest height,and was very significantly different from Liangmu 400,Affinity and S