Swagata Das, S. Duary, Tufleuddin Biswas, K. Sengupta
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引用次数: 0
摘要
在发展中国家,水稻(Oryza sativa L.)是最重要的谷类作物,是世界上一半以上人口的主食。超过90%的大米是在亚洲生产和消费的。化肥的大量使用使土壤生理发生巨大变化,降低土壤肥力,破坏植物群,造成土壤侵蚀,降低养分利用效率(NUE)。2019- 2020年,在西孟加拉邦纳迪亚省Jaguli的机构农场进行了“不同纳米肥料对夏稻生长和产量的影响”的田间试验,研究纳米肥料对夏稻生长、产量和产量组成的影响。在株高和干物质积累量(g/m2)方面,T8处理(50%推荐用量Zn + 100% N - P - K+叶面施用纳米Zn)最高。在LAI中也有与DMA相同的趋势。T8处理籽粒和秸秆产量最高(分别为5.61 t/ hm2和6.18 t/ hm2), T9处理次之。B:C比值在T8处理中最高,其次是T9和T3处理。从不同处理的经济分析来看,B:C比值最高的是T8处理,其次是T9和T3处理。因此,T8处理在经济方面也是有益的。
Effect of different nano-fertilizer on growth and yield of summer rice
In the developing world rice (Oryza sativa L.) is the most important cereal crop and it is the staple food of over half of the world’s population. More than 90% of rice is produced and consumed in Asia. Extensive use of chemical fertilizers causes a great alteration in soil physiology and reduce the soil fertility, damages the flora and causes soil erosion and reduce NUE (Nutrient Use Efficiency). A field experiment was conducted in the year 2019-20 in summer rice at the institutional farm, Jaguli, B.C.K.V, Nadia, West Bengal on “Effect of different nano-fertilizer on growth and yield of summer rice” to study the effect of nano-fertilizers on growth, yield and yield components of summer rice. In case of plant height and dry matter accumulation (g/m2), the highest value was observed in T8 treatment (50% Recommended dose of Zn + 100% N - P - K+ Foliar application of Nano Zn). In LAI also the same trend follows as like DMA. Maximum grain yield and straw yield was recorded from T8 treatment (5.61 t/ha and 6.18 t/ha respectively) followed by T9 treatment. It was observed that highest B:C ratio was also seen in T8 treatment followed by T9 and T3 treatment. From the economic analysis of different treatments, it was observed that highest B:C ratio was seen in T8 treatment followed by T9 and T3 treatment. So, T8 treatment is beneficial in economical aspect also.