期刊
AMERICAN JOURNAL OF POTATO RESEARCH
卷 97, 期 3, 页码 318-324出版社
SPRINGER
DOI: 10.1007/s12230-020-09783-3
关键词
Phosphorus supply times; Tuber number; Tuber weight; Drip fertigation; Sandy soil; Phosphorus uptake
类别
资金
- National Key R&D Program of China [2017YFD0200200, 2018YFD0200801]
- National Natural Science Foundation of China [31760356]
Increasingly, phosphorus (P) fertilizer is being applied in Inner Mongolia of China to overcome the problem of insolubility of phosphorus in calcareous soil and meet the growth demand of potato plants. As a result, phosphorus use efficiency (PUE) in potatoes decreases continually. In this four-year study in sandy soils, drip fertigating potatoes with phosphorus during the growth season improved phosphorus uptake, plant growth, tuber yield, and PUE. Results show that relative to a single phosphorus application, using a split phosphorus application regime through drip irrigation significantly increased the leaf area index (LAI) and phosphorus uptake rate in the mid and late growth stages of potatoes, and enhanced potato yield and PUE. We concluded that split phosphorus application has the potential to benefit sustainable potato production in Inner Mongolia of China.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据