土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
在施氮肥的基础上增施磷钾有利提高含油量，降低蛋白质含量。
Adding phosphorus and kalium fertilizer on the base of nitrogen was propitious to increasing protein content and decreasing oil content.
提高产量和品质目前人们主要是从品种改良和增施磷、钾及微量元素、选择适当刈割期等方面入手。
Presently, variety improvement, increment in P, K and microelement and selection on suitable cutting period are main methods to improve yield and quality.
应用推荐