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收刈时间对玉米秸秆营养物质产量的影响 被引量:7

The Influence of the Harvested Time on the Yield of Nutrient Substance of Corn Stalk
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摘要 【目的】从玉米植株秸秆的总可消化养分产量考虑,确定植株的适宜收刈时间可有效利用秸秆饲料资源,【方法】为此本试验大田试验种植4个早中熟玉米品种,包括农大108、高油298、冀丰58、郑单958,在生长期的92d、96d、100d和104d收刈秸秆,研究收刈时间对秸秆营养物质产量的影响,【结果】试验结果表明,收刈时间明显影响玉米秸秆的有机物、蛋白质、纤维性物质和可消化有机物产量,【结论】所选种的玉米品种秸秆蛋白质和可消化有机物产量在100d达到峰值。 [OBJECTIVE]Four different maize cultivars, nongdal08, gaoyoull5, jifeng58, zhengdan958, were chosen to study the effects of different harvested time on the yield of nutrient substance of corn stalk. [METHOD]The corn stalk were harvested at the growth days of the 92nd ,96th ,100th and 104th, respectively.[RESULTS]The results indicated that there were obvious effects on the yield of organ matter, crude protein, fiber substance and digestible organ matter by different harvested time and different maize eultivars.[CONCLUSION]The results of trials indicate that the corn stalk could be harvested at the growth days of the 100^th.
出处 《中国农学通报》 CSCD 2007年第7期11-14,共4页 Chinese Agricultural Science Bulletin
基金 十五"国家科技攻关计划项目"饲料资源开发与产业化利用关键技术研究"(2004BA514A11-04)-"玉米秸秆产业化利用技术研究"
关键词 玉米秸秆 收刈时间 有机物产量 可消化有机物 Corn stalk, Harvested time, Yield of nutrient substance, Digestible organ matter
作者简介 赵丽华,女,1981年出生,福建漳州人,硕士,研究方向为反刍动物营养。 通讯作者:莫放,男,1963年出生,研究方向为反刍动物营养。通信地址:100094北京市海淀区圆明园2号中国农业大学动物营养学国家重点实验室,Tel:010-62731267,E-mail:mofang@cau.edu.cn。
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