The field experiment entitled “effect of irrigation levels and intervals on groundnut (Arachishypogaea L.) Cultivars under drip system” was conducted at Instructional Farm, S.K. Rajasthan Agricultural University, Bikaner during Kharif 2019. Irrigation level of 0.80 PE gave higher dry matter accumulation, pods plant-1 (44.13), kernels pod-1 (2.38), pod yield (3117 kg ha-1), haulm yield (4081 kg ha-1), biological yield (7199 kg ha-1), test weight (446.58 g) and oil yield (978.32 kg ha-1) followed by 0.60 PE. Alternate day irrigation intervals gave higher dry matter accumulation, crop growth rate, pods plant-1 (43.55), kernels pod-1 (2.36), pod yield (2993 kg ha-1), haulm yield (3986 kg ha-1), biological yield (6980 kg ha-1), test weight (443.22 g) compared to 3 days irrigation intervals. Groundnut cultivars HNG-123 gave higher pods plant-1 (43.45), kernel pod-1 (2.39), pod yield (2925 kg ha-1), haulm yield (3977 kg ha-1), biological yield (6902 kg ha-1) and test weight (470.58 g) compared to all other cultivars.
A field experiment was carried out during Rabi season of 2018-19 under AICRP project on Soil Test Crop Response at Agricultural Research Station, Swami Keshwanand Rajasthan Agricultural University, Bikaner to find out the effect of soil test crop response approach on yield, nutrient content and uptake of wheat. The experiment was laid out in randomized block design with five treatment combinations viz. general recommendation dose, soil test crop response recommendation for target yield 30 q ha-1, soil test crop response recommendation for target yield 30 q ha-1 with integrated plant nutrient system, soil test crop response recommendation for target yield 40 q ha-1 and soil test crop response recommendation for target yield 40 q ha-1 with integrated plant nutrient system with four replications. Research finding of long term field experiment revealed that application of soil test crop response recommendation for target yield 40 q ha-1 with integrated plant nutrient system gave maximum number of effective tillers m-1 row length, spike length, number of grains spike-1, weight of grains spike-1, test weight, grain yield (4026 kg ha-1) and straw yield (5629 kg ha-1) of wheat which was found statistically at par with soil test crop response recommendation for target yield 30 q ha-1 with integrated plant nutrient system. Application of soil test crop response recommendation for target yield 40 q ha-1 with integrated plant nutrient system also improved the N, P and K content and their uptake by grain and straw of wheat. These study results proved that soil test crop response recommendation with integrated plant nutrient system gave better results of all parameters in the comparison of general recommendation dose and soil test crop response without integrated plant nutrient system.
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