甘肃农业科技
甘肅農業科技
감숙농업과기
GANSU AGRICULTURAL SCIENCE AND TECHNOLOGY
2013年
9期
45-46,47
,共3页
何二良%颉炜清%郭天顺%王鹏%李芳弟%吕汰
何二良%頡煒清%郭天順%王鵬%李芳弟%呂汰
하이량%힐위청%곽천순%왕붕%리방제%려태
马铃薯%山旱地%配方施肥%天水市
馬鈴藷%山旱地%配方施肥%天水市
마령서%산한지%배방시비%천수시
Potato%Hill dryland%Formula fertilization%Tianshui city
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24822 kg/hm2。
通過“3414”田間試驗，建立瞭天水市山旱地馬鈴藷產量（Y）與N、 P、 K肥之間的迴歸方程，得齣馬鈴藷最佳施肥量為尿素445.9 kg/hm2、重過燐痠鈣108.7 kg/hm2、硫痠鉀554.4 kg/hm2，此條件下馬鈴藷產量為24822 kg/hm2。
통과“3414”전간시험，건립료천수시산한지마령서산량（Y）여N、 P、 K비지간적회귀방정，득출마령서최가시비량위뇨소445.9 kg/hm2、중과린산개108.7 kg/hm2、류산갑554.4 kg/hm2，차조건하마령서산량위24822 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.
