摘要
运用偏产量势论原理、方法编制青紫泥小麦田土壤肥力表。依据土壤调查、试验研究材料,论证土壤肥力表氮、磷、钾和氧因子各级、型因子状态及其偏产量势值。从表中查到与施肥农田相符合的级、型因子状态内容,即得知应施肥料种类及数量。
The list of soil fertility for cropping Wheat on loam-clay paddy soil was worked out according to the principles and methods of the theory of 'Partial Yield Potential'. The states of factors concerning the different levels and patterns of air, nitrogen and phosphorus as well as the value of partial yield potential in the soil fertility list were proved by the data from soil surveys and experimental researches. The kinds and amounts of the requisite fertilizers to apply to a certain field could be found out by checking the grades and types of various factorial states of the field against the soil fertility list.
出处
《上海农业学报》
CSCD
1993年第3期49-57,共9页
Acta Agriculturae Shanghai
关键词
小麦
土壤肥力
施肥
Theory of partial yield potential
State of factors
Soil fertility list
