1) sown area of grain and industrial and forage crops
粮经饲播种面积
2) sown area of grain
粮食播种面积
1.
The social and economic factors have prominent influence,and both output of grain per area and sown area of grain have most prominent influence.
利用GIS空间分析、灰色关联分析和主成分分析方法,通过对影响河南省粮食产量自然、社会和经济因素的分析,结果显示:自然对河南省粮食产量的影响较小,粮食产量主要受社会经济因素的影响,其中粮食单产和粮食播种面积的影响最为显著。
3) Grain crop sown area
粮播面积
4) sown area
播种面积
1.
Based on the cost-income data (1980-2002) of farm produce and the China Agricultural Yearbook, taking these main crops in the progress of the arable land use as a case study, this paper studied the regional differences in the changes of the agricultural land use in China during the period 1980-2002 from three aspects as the degree of intensity, the sown area and the abandonment of the arable land.
依托1980￣2002年的中国农产品成本收益资料与中国农业统计年鉴等基础数据,从集约度、播种面积与耕地撂荒变化三个方面,对中国1980年以来农地利用变化的区域差异进行了研究。
5) planting area
播种面积
1.
The results showed that the winter wheat planting area of Ke.
采用图像复合分类监测、比值 (差值 )图像监测、分类结果叠加监测和信息复合人机交互目视提取等方法研究了垦利县 1987～ 1998年冬小麦播种面积及其空间分布的动态变化。
6) sowing area
播种面积
1.
Based on the cost-income datum(1980～2002) of farm product and the China Agricultural Yearbook,taking these main crops in the progress of the arable land use as a study case,this paper studied the characters and its driving force for the annual changes of the degree of intensity,the sowing area and the abandonment of the arable land.
该文依托1980~2002年的全国农产品成本收益资料与中国农业统计年鉴等基础资料,以农地利用过程中的主要农作物为例,对农地利用过程中集约度、播种面积与耕地撂荒变化的时序特征及其驱动因素进行了研究。
补充资料：饲粮
分子式：
CAS号：
性质：按日粮中各饲料组分比例配制的饲料。
CAS号：
性质：按日粮中各饲料组分比例配制的饲料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条