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首页> 外文期刊>Agricultural Science Digest >Fertilizer prescription equations for desired yield targets of cauliflower under integrated plant nutrient system based on targeted yield model.
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Fertilizer prescription equations for desired yield targets of cauliflower under integrated plant nutrient system based on targeted yield model.

机译：基于目标产量模型的综合植物养分系统下菜花所需产量目标的肥料配方方程式。

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摘要

The Soil Test Crop Response study (STCR) was conducted for cauliflower under IPNS on Inceptisols (Typic Ustropept) in Coimbatore district of Tamil Nadu. In order to develop a scientific base for prescribing fertilizer recommendations for cauliflower, two field experiments were carried out with sorghum as gradient crop and cauliflower as test crop. From the soil test and crop response data, the basic parameters were computed and the fertilizer prescription equations for recommending fertilizer doses were developed for cauliflower. The fertilizer estimates under IPNS clearly indicated better utilization of added fertilizer nutrients by recording of high response ratio. Since the conjoint application of organics with fertilizers resulted in saving of 35, 25 and 28 kg ha-1 of N, P2O5 and K2O respectively. Further inclusion of bio-fertilizer viz., Azospirillum @ kg ha-1 resulted in the saving of 10 kg ha-1 of fertilizer N.
机译：在泰米尔纳德邦哥印拜陀区，对IPNS下的花椰菜（典型的Ustropept）进行了土壤试验作物响应研究（STCR）。为了开发科学的配方来建议花椰菜的肥料推荐，进行了两个田间试验，以高粱为梯度作物，以花椰菜为试验作物。根据土壤测试和作物响应数据，计算了基本参数，并开发了建议花椰菜肥料用量的肥料配方方程。 IPNS下的肥料估算值清楚地表明，通过记录高响应率，可以更好地利用添加的肥料养分。由于有机物与肥料的联合施用可节省35、25和28 kg ha -1 N，P 2 O 5 和K 2 O。进一步包含生物肥料 viz。，偶氮螺旋菌 @ kg ha -1 可节省10 kg ha -1 <肥料N。

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