摘要
通过"3414"田间试验,建立了天水市山旱地马铃薯产量(Y)与N、P、K肥之间的回归方程,得出马铃薯最佳施肥量为尿素445.9 kg/hm2、重过磷酸钙108.7 kg/hm2、硫酸钾554.4 kg/hm2,此条件下马铃薯产量为24 822 kg/hm2。
A field experiment was conducted in hill dryland of Tianshui city to study the effect of fertilization on N,P,K, the potato yield（Y） and N, P, K fertilizer between the regression equation was established in hill dryland of Tianshui city, obtained the optimum fertilization of potato urea was 445.9 kg/hm2, resume phosphate calcium was 108.7 kg/hm2, potassium was 554.4 kg/hm2. At this condition, the potato yield was 24 822 kg/hm2.
出处
《甘肃农业科技》
2013年第9期45-47,共3页
Gansu Agricultural Science and Technology
基金
农业部现代农业产业技术体系专项资金(CARS-10)资助
关键词
马铃薯
山旱地
配方施肥
天水市
Potato
Hill dryland
Formula fertilization
Tianshui city
