| 甘肃高寒阴湿区陇薯5号氮磷用量及栽培密度配套模式研究 |
| |
| 引用本文： | 陆立银,谢奎忠,陈富.甘肃高寒阴湿区陇薯5号氮磷用量及栽培密度配套模式研究[J].农业系统科学与综合研究,2010,26(2):236-239. |
| |
| 作者姓名： | 陆立银 谢奎忠 陈富 |
| |
| 作者单位： | 甘肃省农业科学院,马铃薯研究所,甘肃,兰州,730070 |
| |
| 基金项目： | 科技部农转资金项目，农业部跨越计划项目(2008) |
| |
| 摘 要： | 通过两年的试验研究，利用二次通用旋转设计原理建立了氮肥（x1）、磷肥（x2）和栽培密度（x3）与陇薯5号产量（y）的回归方程：y=45．70958＋2．18835x3—1．89344x1^2-2．55671x2^2-3．19346x3^2，对方程进一步分析表明，各因素对产量影响的大小顺序是密度〉磷肥〉氮肥。陇薯5号产量大于40t·hm^-2以的栽培方案为施Nll6．7kg·hm～～183．4kg·hm^-2，施P205110．2kg·hm^-2～159．8kg·hm^-2，栽培密度为54895·hm^-2-61878株·hm^-2。（行距60cm,株距27．Ocm～30．4cm）。图4,表4，参5．
|
| 关 键 词： | 高寒阴湿区 马铃薯 陇薯5号 肥料 栽培密度 |
Matching Mode of Quantity of Nitrogen and Phosphorus Application and Cultivation Density for Longshu No.5 in Cold and Damp Areas |
| |
| LU Li-yin,XIE Kui-zhong,CHEN Fu.Matching Mode of Quantity of Nitrogen and Phosphorus Application and Cultivation Density for Longshu No.5 in Cold and Damp Areas[J].System Sciemces and Comprehensive Studies In Agriculture,2010,26(2):236-239. |
| |
| Authors: | LU Li-yin XIE Kui-zhong CHEN Fu |
| |
| Institution: | (Potato Research Institute, Gansu Academy of Agricultrai Sicence , Lartzhou 730070, China) |
| |
| Abstract: | A mathematic model,y = 45. 70958 ＋ 2. 18835x3 - 1. 89344x1^2 - 2. 55671x2^2 - 3. 19346x3^2, for the application of nitrogen （x1 ）, phosphorus（x2）, planting density（x3 ）and the yeild of Longshu No. 5 （y） had been built by the quadratic general rotational combination design after two year＇ s research results.. The further analysis shows that the order influencing factors on the yield is planting density（x3 ） 〉 phosphorus （x2 ） 〉 nitrogen （x1）. The cultivation scheme that the yield is more than 40 t. hm-2 is pure N 116. 7 kg. hm -2 _ 183.4 kg· hm^ -2 P2O5 110. 2 kg· hm^ -2 - 159. 8 kg· hm^ -2 54895 plant· hm^ -2 - 61878 plant· hm^ -2 （ Row spacing 60 cm, plant spacing during 27.0 cm -30. 4cm）. |
| |
| Keywords: | cold and damp areas potato Longshu No 5 fertilizer cultivated density |
| 本文献已被 维普 万方数据 等数据库收录！ |
