基于土壤有机质含量推荐的旱地冬小麦施氮量研究
|
蒋龙刚,黄明,宋庆赟,苑爱静,李嘉华,邱炜红,王朝辉
|
Research on Nitrogen Fertilizer Application Recommended Method Based on Soil Organic Matter in Dryland Wheat Production
|
JIANG LongGang,HUANG Ming,SONG QingYun,YUAN AiJing,LI JiaHua,QIU WeiHong,WANG ZhaoHui
|
|
表4 各试验地点2014—2017年的冬小麦产量与生物量
|
Table 4 Winter wheat yield and biomass at different experimental sites during years of 2014-2017
|
|
生长季 Growing season | 试验地点 Experimental site | 产量 Yield(kg·hm-2) | 生物量Biomass(kg·hm-2) | 农户习惯施肥FP | 推荐施肥OFP | 农户习惯施肥FP | 推荐施肥OFP | 2014—2015 | 彬县BX | 6731b | 7300a | 17478b | 20491a | 凤翔FX | 6931a | 7322a | 14582a | 15231a | 合阳HY | 5236b | 6057a | 14603a | 15802a | 蒲城PC | 5539b | 6139a | 11448b | 12128a | 耀州YZ | 6298a | 6704a | 13625a | 14354a | 永寿YS | 6419a | 6731a | 16910a | 18773a | 平均Mean | 6192b | 6709a | 14774b | 16130a | 2015—2016 | 彬县BX | 7721b | 8464a | 17244b | 25149a | 凤翔FX | 6345a | 6795a | 13164a | 13582a | 合阳HY | 3126b | 3667a | 6664a | 8199a | 蒲城PC | 2151a | 2309a | 3999a | 4638a | 耀州YZ | 7098a | 7529a | 12845a | 13252a | 永寿YS | 5559a | 6342a | 9663a | 10933a | 平均Mean | 5333b | 5851a | 10597b | 12625a | 2016—2017 | 彬县BX | 6364b | 6897a | 16132a | 17092a | 凤翔FX | 5798a | 6245a | 13494a | 14581a | 合阳HY | 3754a | 3924a | 9275a | 9246a | 蒲城PC | 1759a | 1939a | 4403a | 4790a | 耀州YZ | 3145a | 3349a | 7022a | 7546a | 永寿YS | 6082a | 6989a | 14990a | 15754a | 平均Mean | 4484b | 4890a | 10889a | 11502a | 2014—2017 | 彬县BX | 6939b | 7553a | 16951b | 20911a | 凤翔FX | 6358b | 6787a | 13747a | 14465a | 合阳HY | 4039b | 4550a | 10180a | 11082a | 蒲城PC | 3149b | 3462a | 6616b | 7185a | 耀州YZ | 5514a | 5860a | 11164a | 11717a | 永寿YS | 6020b | 6687a | 13855a | 15153a | 平均Mean | 5337b | 5817a | 12086b | 13419a | 变异来源 Source of variance | | | | | 生长季Growing season | 51.9** | | 91.4** | | 地点Site | 163.1** | | 178.3** | | 处理Treatment | 28.0** | | 23.6** | |
|
|
|