氮、磷、钾施肥配比对红枣植株养分含量的影响

Influence on Plant Nutrient Content of Zizyphus Jujube under Different Treatments of N, P, K

以滴灌为条件设置不同水肥处理,分析氮、磷、钾不同施肥配比对红枣植株各器官中N、P、K含量的影响,结果表明:在枣树年生长周期中,不同施肥处理枣树对N、P、K的吸收总量都表现为N>K>P,同时,在整个生长过程中对P的吸收变化比较平缓。枣树植株各器官中的养分含量因氮、磷、钾施肥配比不同而产生了较大差异。

Different treatments of water and fertilizer under drip irrigation were designed, and content of N,P,K in plant of Zizy- phus Jujube under different treatments of N, P, K were analyzed. The results showed that the total absorption content of N,P,K in plant of Zizyphus Jujube was N〉K〉P,the absorption of P was low and stably in growth period of Zizyphus Jujube. The nutrient content of different plant organizers was obvious variation because of different fertilization proportion.