12-9  主要年份农业机械化与草原建设
Agricultural Mechanization and Grassland Construction in Main Years
单位：千公顷							(1 000 hectares)
指    标	Item	2012	2013	2014	2015	2016	2017
农业机械化情况	Agricultural Mechanization
当年实际机耕面积	Mechanical Tillage Area	331	367	377	397	397	397
当年机械播种面积	Mechanical Sowing Area	264	268	283	295	300	297
当年机械收割面积	Mechanical Harvesting Area	174	200	207	232	242	251
草原建设情况	Grassland Construction
围栏草场面积	Area of Fenced Grassland	6303	10777	10777	11306	11679	12272
当年新围面积	New Fenced in This Year	610	1300		529	373	593
人工种草保留面积	Artificial Grass to Retain the Area	340	446	474	519	516	517
当年新种面积	New Sown in This Year	174	262	28	227	230	231
年内鼠害危害发生面积	Damage Occurrence Area by Rats in This Year	8628	8719	7665	5929	5694	5933
年内鼠害防治面积	Damage Prevention Area by Rats in This Year	1046	1124	1452	2291	906	1597
年内虫害危害面积	Damage Occurrence Area by Pests in This Year	1996	1654	2060	1029	1029	879
年内虫害防治面积	Damage Prevention Area by Pests in This Year	316	443	314	552	637	241
注:草原建设数据来源青海省农牧厅。
a) Grassland Construction have been from Agriculture and Animal Husbandry Department.