Effect of Different Nutrient Levels on Yield Components, Nutrient Uptake and Post Harvest Soil Fertility Status of Dolichos Bean

Abstract

during the growing period of 2016-17 and 2017-18 to investigate the effect of different N, P and K interaction levels on nutrient uptake by dolichos bean and post harvest fertility status of soil. The field experiment was laid out in randomized block design comprising of eighteen treatments replicated thrice. Amongst all NPK fertilizer levels, higher fertilizer dose of 25:75:50 kg NPK per hectare recorded significantly maximum plant height, number of secondary branches and dry matter content per plant at harvest however, it was onpar with 25:75:25 kg NPK per hectare except dry matter content per plant in both the years (2016-17 and 2017-18) and pooled data respectively. However, pooled analysis data revealed that green pod yield per plant and pod yield per hectare as well as higher total N, P and K uptake were recorded significantly maximum in 25:75:50 kg NPK per hectare but the trend was different during both the experimental years. Physico-chemical properties of soil such as soil pH, EC, OC in soil after final harvest of dolichos bean were significantly influenced by NPK interactions levels during both the years (2016-17 and 2017-18) of investigation and in pooled data analysis except soil pH in 2017-18 growing season. Pooled data revealed that significantly highest available nitrogen, phosphorus and potassium availability in soil were recorded in higher fertilizer dose of 25:75:50 kg NPK per hectare which was onpar with 25:75:25 kg NPK per hectare except available potassium. Similar trend was also observed during the year 2016-17 and 2017-18 experimental years.

Yield and Nutrient Uptake of Pigeonpea [Cajanus cajan (L.)] as Influenced by Tillage, Nutrient Levels and Foliar Sprays

“…The increase in stover yield might be owing to beneficial effect of subsoiling which results in better absorption of moisture, nutrient and that enhanced the vegetative growth interms of plant height, leaf area index and dry matter production resulting in increased stover yield. These results are in conformity with Kumar et al [28] and Dalai et al [29].…”

Effect of Nitrogen and Potassium on the Yield Components of BARI Bush Bean-2 and Post-harvest Nutrient Status of the Soil

“…The highest (19.41mg kg -1 ) phosphorous content was observed in T 10 treatment and the lowest (14.95 mg kg -1 ) phosphorous content was observed in T 12 treatment ( Table 3). Application of N and K increase the soil available phosphorous content reported by [48]. In the studied soil, the initial potassium content was 0.13 mg kg -1 ( Table 1).…”

“…The 0.08% total nitrogen content was found in the initial soil sample ( Table 1). The lowest total nitrogen content of soil (0.05%) was observed in N 80 K 0 treatment combination and the highest (0.08 %) total nitrogen content of soil was observed N 40 K 40 treatments (Table 3) [48]. Found use of N and K slightly improves the total nitrogen content.…”

“…potassium content was observed in T 0 treatment and whereas the maximum in 0.26 mg kg -1 in T 15 treatment (Table 3) [48]. Reported that the use of N and K improve the exchangeable potassium content of soil.…”

“…The pH value of initial soil sample was 5.6 ( Table 1). The lowest pH value (4.87) was observed in T 13 treatment combination and the highest pH value (6.05) was observed in T 14 treatment combination ( Table 3).Application of N and K increase the soil pH reported by [48]. Use of mineral or organic fertilizers increases inputs of nutrients to soils, and the form in which the nutrients are applied and their fate in the soilplant system determine the overall effects on soil pH.…”