玉米科学
玉米科學
옥미과학
JOURNAL OF MAIZE SCIENCES
2013年
4期
112-115
,共4页
蔡红光%盖嘉慧%刘剑钊%闫孝贡%袁静超%张洪喜%任军
蔡紅光%蓋嘉慧%劉劍釗%閆孝貢%袁靜超%張洪喜%任軍
채홍광%개가혜%류검쇠%염효공%원정초%장홍희%임군
春玉米%栽培方式%氮肥%氮磷钾
春玉米%栽培方式%氮肥%氮燐鉀
춘옥미%재배방식%담비%담린갑
Spring maize%Cultivation pattern%Nitrogen fertilizer%NPK
对不同栽培方式及氮肥施用水平下春玉米植株氮、磷、钾的累积特征及差异比较分析,结果表明,氮肥增产效果显著,高产栽培方式下产量增加主要来自收获穗数的增加。高产栽培方式下玉米秸秆和子粒中氮、磷、钾含量均显著提高,但各自所占百分比变幅较小。与习惯栽培方式相比,高产栽培方式玉米植株体内氮素利用效率提高15.0%~30.5%,促进了植株对氮素的吸收。
對不同栽培方式及氮肥施用水平下春玉米植株氮、燐、鉀的纍積特徵及差異比較分析,結果錶明,氮肥增產效果顯著,高產栽培方式下產量增加主要來自收穫穗數的增加。高產栽培方式下玉米秸稈和子粒中氮、燐、鉀含量均顯著提高,但各自所佔百分比變幅較小。與習慣栽培方式相比,高產栽培方式玉米植株體內氮素利用效率提高15.0%~30.5%,促進瞭植株對氮素的吸收。
대불동재배방식급담비시용수평하춘옥미식주담、린、갑적루적특정급차이비교분석,결과표명,담비증산효과현저,고산재배방식하산량증가주요래자수획수수적증가。고산재배방식하옥미갈간화자립중담、린、갑함량균현저제고,단각자소점백분비변폭교소。여습관재배방식상비,고산재배방식옥미식주체내담소이용효솔제고15.0%~30.5%,촉진료식주대담소적흡수。
To study the characteristic of nitrogen, phosphorous, potassium accumulation and difference of nutrient accumulation between nitrogen levels in spring maize under two cultivation patterns with different nitrogen application treatments. The results showed that nitrogen fertilizer application increased significantly grain yield. The increase of harvest ear number contributed mainly to high yield. The nitrogen, phosphorous, potassium accumulations of straw and grain in maize were increased significantly with few variations between treatments, at the average of 5.1%. High yield cultivation pattern improved nitrogen accumulation of plant and the nitrogen recovery efficiency was increased 15.0%-30.5%compared with that of traditional cultivation pattern.