磷肥与复肥
燐肥與複肥
린비여복비
PHOSPHATE & COMPOUND FERTILIZER
2012年
3期
80-81
,共2页
肖起通%叶伟健%邓孝祺%黄春应
肖起通%葉偉健%鄧孝祺%黃春應
초기통%협위건%산효기%황춘응
大白菜%配方施肥%最佳施用量%产量
大白菜%配方施肥%最佳施用量%產量
대백채%배방시비%최가시용량%산량
cabbage%formula fertilization%optimum application amount%yield
通过大白菜测土配方施肥“3414”试验,结果表明,以氮肥增产效果最佳,钾肥次之,氮磷钾施肥效应为N〉K〉P。通过三元二次肥料效应模型回归方程算出大白菜667m2最高产量3532.82kg,667m2N、P2O5、K2O最佳施用量分别为21、3、12kg,m(N):m(P2O5):m(K2O)=1:0.14:0.57。
通過大白菜測土配方施肥“3414”試驗,結果錶明,以氮肥增產效果最佳,鉀肥次之,氮燐鉀施肥效應為N〉K〉P。通過三元二次肥料效應模型迴歸方程算齣大白菜667m2最高產量3532.82kg,667m2N、P2O5、K2O最佳施用量分彆為21、3、12kg,m(N):m(P2O5):m(K2O)=1:0.14:0.57。
통과대백채측토배방시비“3414”시험,결과표명,이담비증산효과최가,갑비차지,담린갑시비효응위N〉K〉P。통과삼원이차비료효응모형회귀방정산출대백채667m2최고산량3532.82kg,667m2N、P2O5、K2O최가시용량분별위21、3、12kg,m(N):m(P2O5):m(K2O)=1:0.14:0.57。
Based on the "3414" formula fertilization trials by soil testing on cabbage, the results show that: the yield increase effect of nitrogen fertilizer is the best, potash is the second, the NPK fertilization effect on cabbage is N〉K〉P. Based on the binary cubic form regression equation of fertilizer effect model, the highest yield of cabbage is 3 532.82 kg per 667 m2, the optimum application amount of N, P205, K20 is respectively 21, 3, 12 kg per 667 m2, the recommended fertilization formula is m (N) : m (P205) : m (K20) = 1 : 0.14 : 0.57.