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Effect of potassium application on yield and quality of green gram (Vigna radiata L.) on coarse textured soils of southern Haryana

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Title Effect of potassium application on yield and quality of green gram (Vigna radiata L.) on coarse textured soils of southern Haryana
 
Creator Jat, MK
Yadav, PK
Tikkoo, A
Yadav, SS
 
Subject Mungbean
Typic Haplustepts
 
Description 59-63
Crops need large quantity of potassium for enhancing their yield as well as quality. Pulses are important crops grown in
India but their productivity is low. Among production inputs, recommendations for N and P fertilizers are made in most states
with no K application resulting in imbalanced nutrient supply and lower crop yields.To quantify optimum dose for green
gram ( Vigna radiata L.), a series of field experiments were conducted at Regional Research Station, CCS HAU, Bawal,
Haryana, to assess the response of green gram to fertilizer potassium on coarse textured (Typic Haplustepts) soils of southern
Haryana. After completion of research trials, crop was tested on farmer’s field through demonstrations and on farm trials
(OFTs) to evaluate the response and adoptability of green gram as per the fertilizer potassium doses concluded in research
experiment. Five levels of fertilizer potassium (0, 10, 20, 30 and 40 kg K2O ha-1) were evaluated for the response of green
gram in randomized block design replicated thrice. The results of research trials revealed that the yield, protein content and
growth parameters of green gram increased significantly with the application of fertilizer potassium @20 kg K2O ha-1.
Significantly higher yield of green gram was recorded (5.87, 16.29, 19.23 and 22.36 %) due to application of 10, 20, 30 and
40 kg K2O ha-1, respectively over control. The total K uptake by green gram increased significantly with the incremental
doses of potassium application which helped to prevent the depletion of available soil K and build-up its content in the soil.
The mean K use efficiency varied from 38.30 to 54.15 and maximum (54.15 %) was recorded with the application of 20 kg
K2O ha-1. The benefit cost ratio was also increased with the application of potassium and reflected in terms of additional
returns per rupee (Rs. 10.94, 15.63, 12.17 and 10.72) invested on application of K @ 10, 20, 30 and 40 kg K2O ha-1,
respectively. The farmer’s field trial results with 0 and 20 kg K2O ha-1 revealed that application of 20 kg K2O ha-1 increased
the yield of green gram by 10.87% over control.
 
Date 2021-12-31T11:06:00Z
2021-12-31T11:06:00Z
2022-01
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscair.res.in/handle/123456789/58801
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEB Vol.60(1) [Jan 2022]