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	2013	2014	2015	2016	2017	2018
农业机械化情况	Agricultural Mechanization
当年实际机耕面积	Mechanical Tillage Area	367	377	397	397	397	404
当年机械播种面积	Mechanical Sowing Area	268	283	295	300	297	325
当年机械收割面积	Mechanical Harvesting Area	200	207	232	242	251	266
草原建设情况	Grassland Construction
围栏草场面积	Area of Fenced Grassland	10777	10777	11306	11679	12272	13322
当年新围面积	New Fenced in This Year	1300		529	373	593	1050
人工种草保留面积	Artificial Grass to Retain the Area	446	474	519	516	517	802
当年新种面积	New Sown in This Year	262	28	227	230	231	478
年内鼠害危害发生面积	Damage Occurrence Area by Rats in This Year	8719	7665	5929	5694	5933	5761
年内鼠害防治面积	Damage Prevention Area by Rats in This Year	1124	1452	2291	906	1597	2544
年内虫害危害面积	Damage Occurrence Area by Pests in This Year	1654	2060	1029	1029	879	880
年内虫害防治面积	Damage Prevention Area by Pests in This Year	443	314	552	637	241	608
注:草原建设数据来源于青海省林业和草原局。
a) Grassland Construction have been from Qinghai Forestry and Grassland Bureau.