尽管平衡营养在作物生产力中的关键作用,巴基斯坦农民很少使用钾盐(K)和锌(Zn)。养分吸收和作物生产率的降低共同增加了与施肥相关的成本,并重新审视了农民对肥料功效和盈利能力的信心。为了解决这个问题,在MNS-农业大学的研究区域进行了实地研究,木尔坦,与Engro肥料有限公司合作。研究计划包括五种治疗方法,包括T1=控制(没有N,P,K,和锌肥),T2=NP在实践中(NP在32-23-0kg英亩-1),T3=推荐的NP(NP在48-34.5公斤英亩-1),T4=平衡的NPK(NP+K在48-34.5-30kg英亩-1),和T5=平衡的NPK+Zn(NPK+Zn在48-34.5-30+7.5kg英亩-1)。小麦被用作试验作物,和它的成长,产量,生理和营养参数进行了研究。结果表明,NPK+Zn平衡营养增加了株高,穗长,光合速率,用水效率,蒸腾速率,气孔导度,谷物产量增加13%,15%,44%,60%,63%,39%,78%,分别,与对照相比。结果发现,NP的联合应用,K,锌提高了施用营养素的回收效率,即,氮气回收效率(NRE)提高230%,磷回收效率(PRE)提高136%,钾回收效率(KRE)提高135%,与NP单独应用相比,锌回收效率(ZnRE)提高了136%。施用肥料的农艺利用效率,如钾农艺利用效率(KAUE)提高71%,磷农艺利用效率(PAUE)72%,氮素农艺利用效率(NAUE)提高70%,锌农艺利用效率(ZnAUE)提高72%,与NP单独应用相比观察到。结果表明,NPUE,PPUE,NPUE,和ZnPUE减少了5%,3%,3%,5%,分别,与NP单独应用相比。我们的发现表明,钾和锌应成为小麦营养管理的重要组成部分,以实现更高的产量和更好的产品质量。
Despite the critical role of balanced nutrition in crop productivity, the use of potash (K) and zinc (
Zn) is not much practiced by Pakistani farmers. The reduced nutrient uptake and crop productivity together increase the costs associated with fertilization and revisit farmers\' confidence in the efficacy and profitability of fertilizers. To address this problem, a field study was conducted in the research area of the MNS-University of Agriculture, Multan, in collaboration with Engro Fertilizers Limited. The research plan consisted of five treatments, including T1 = control (without N, P, K, and Zn fertilizers), T2 = NP in practice (NP at 32-23-0 kg acre-1), T3 = recommended NP (NP at 48-34.5 kg acre-1), T4 = balanced NPK (NP+K at 48-34.5-30 kg acre-1), and T5 = balanced NPK +
Zn (NPK+
Zn at 48-34.5-30 + 7.5 kg acre-1). Wheat was used as a test crop, and its growth, yield, and physiological and nutritional parameters were studied. The results indicated that NPK+Zn balanced nutrition increased plant height, spike length, photosynthetic rate, water use efficiency, transpiration rate, stomatal conductance, and grain yield by 13%, 15%, 44%, 60%, 63%, 39%, and 78%, respectively, compared with the control. It was found that the combined application of NP, K, and
Zn improved the recovery efficiency of applied nutrients, i.e., nitrogen recovery efficiency (NRE) by 230%, phosphorus recovery efficiency (PRE) by 136%, potassium recovery efficiency (KRE) by 135%, and zinc recovery efficiency (ZnRE) by 136% compared to NP-alone application. Agronomic use efficiency of applied fertilizers, such as potassium agronomic use efficiency (KAUE) by 71%, phosphorus agronomic use efficiency (PAUE) by 72%, nitrogen agronomic use efficiency (NAUE) by 70%, and zinc agronomic use efficiency (ZnAUE) by 72%, was observed compared to NP-alone application. The results showed that NPUE, PPUE, NPUE, and ZnPUE were reduced by 5%, 3%, 3%, and 5%, respectively, compared to NP-alone application. Our findings suggest that K and
Zn should be made an essential part of wheat nutrition management for higher yield and better quality of produce.