甘肃农业科技
甘肅農業科技
감숙농업과기
GANSU AGRICULTURAL SCIENCE AND TECHNOLOGY
2011年
8期
28-30
,共3页
施肥制度%黑垆土%地力贡献率%平凉市
施肥製度%黑壚土%地力貢獻率%平涼市
시비제도%흑로토%지력공헌솔%평량시
Fertilization system%Dark loessial soil%Contribution rate of soil%Pingliang city
在平凉市黑垆土玉米和小麦田进行了4种不同施肥制度长期定位试验,结果表明：平凉市黑垆土土壤生产力趋势从大到小为氮磷钾区、常规区、氮磷区、空白区,黑垆土对玉米供肥能力高于小麦,氮肥、磷肥、钾肥和有机肥配施可使黑垆土维持较高的生产力。
在平涼市黑壚土玉米和小麥田進行瞭4種不同施肥製度長期定位試驗,結果錶明：平涼市黑壚土土壤生產力趨勢從大到小為氮燐鉀區、常規區、氮燐區、空白區,黑壚土對玉米供肥能力高于小麥,氮肥、燐肥、鉀肥和有機肥配施可使黑壚土維持較高的生產力。
재평량시흑로토옥미화소맥전진행료4충불동시비제도장기정위시험,결과표명：평량시흑로토토양생산력추세종대도소위담린갑구、상규구、담린구、공백구,흑로토대옥미공비능력고우소맥,담비、린비、갑비화유궤비배시가사흑로토유지교고적생산력。
We evaluated 4 treatment conmprised of various fertilization in corn and wheat field of dark loessial Soil in Pingliang city.The results showed that Pingliang dark loessial soil productivity trends were NPK area Conventional area NP area Blank area,and the soil supplies more nutrient for corn than wheat,nitrogen,phosphorus,potassium fertilizer and organic fertilizer could make dark loessial soil maintain high productivity.
