Effect of nitrogen application to intercrops on yield, competition, nutrient use efficiency and economics in potato (Solanum Tuberosum L.) + French bean (Phaseolus Vulgaris L.) system in north-western hills of India

Author(s):  
V. K. Dua ◽  
Sushil Kumar ◽  
M. K. Jatav

The present study was carried out at Central Potato Research Institute, Shimla for three years to work out the nitrogen requirement of french bean and competition in potato + french bean (1:1) intercropping system. Application of 100% N to French bean, gave 29% higher pod yield than sole cropping, on area basis, however, the mean yield of french bean pods with 100% N was statistically at par with that under 50% N and significantly higher over 0 or 25% N. Land Equivalent Ratio (LER) values were >1 at all N levels to French bean, the highest being 1.296 with 100% of N to french bean. The relative crowding coefficient (RCC) values of both the crops were more than one indicating that both the crops produced greater than ‘expected’ yields under intercropping, however, the aggressivity values indicated that french bean was a dominant species whereas potato was dominated species in intercropping, irrespective of N dose to french bean i.e. the extent of proportionate yield increase of french bean was more than potato in intercropping. The competition ratio also showed that french bean was more competitive than potato when fertilized properly. There was a positive mean balance of NPK and 36-68% of applied N, 64-74% of applied P and 44-77% of applied K was left as residual fertility under various intercropping treatments. Intercropping also gave higher net returns (Rs. 69 to 82 thousand/ha) and benefit:-cost ratio (2.43 to 2.66) than sole cropping of either of the crop. It can be concluded from the study that in potato + French bean (1:1) intercropping in north- western hills, N dose to french bean can be reduced by 50% without impairing soil health in terms of NPK balance.

2016 ◽  
Vol 3 (3) ◽  
Author(s):  
DHANANJAI SINGH ◽  
A.K. PATEL ◽  
S.K. SINGH ◽  
M.S. BAGHEL

Krishi Vigyan Kendra laid down Front Line Demonstration in the year 2010-11 and 2011-12 introducing new, high yielding and scented variety “Pusa Sugandha-3” and applying scientific practices in their cultivation. The FLDs were carried out in village “Dainiha” of Sidhi district in supervision of KVK scientist. The productivity and economic returns of paddy in improved technologies were calculated and compared with the corresponding farmer's practices (local check). Improved practices recorded higher yield as compared to farmer's practices. The improved technology recorded higher yield of 30.83 q/ha and 32.65 q/ha in the year 2010-11 and 2011-12, respectively than 22.13 and 24.21 q/ha. The average yield increase was observed 37.15 per cent. In spite of increase in yield of paddy, technology gap, extension gap and technology index existed. The improved technology gave higher gross return (37020 and 39180 Rs./ha), net return (16820 and 18920 Rs./ha) with higher benefit cost ratio (1.83 and 1.93) as compared to farmer's practices. The variation in per cent increase in the yield was found due to the poor management practices, lack of knowledge and poor socio economic condition. Under sustainable agricultural practices, with this study it is concluded that the FLDs programmes were effective in changing attitude, skill and knowledge of improved package and practices of HYV of paddy adoption.


Author(s):  
Upesh Kumar ◽  
G.A. Patel ◽  
R.P. Chudhari ◽  
S.S. Darji ◽  
R.S. Raghav

Background: Pulses are versatile crops that are better for nutritional security and soil health. Black gram (Vigna mungo L.) is most important pulse crop, grown throughout the country. The productivity of Black gram is low in Patan district because non-adoption of scientific technologies by the farmers like use of poor quality seeds, water stress at critical stages, imbalance use of plant nutrient, infestation of weeds and incidence of pest especially mosaic, blight, tobacco caterpillar and sucking pest.Methods: The present study was carried out by the Krishi Vigyan Kendra, Samoda- Ganwada, Taluka- Siddhpur, District - Patan (Gujarat) during Kharif season. Krishi Vigyan Kendra, Patan (Gujarat) conducted 225 demonstrations in farmer’s field of Patan district during three years i.e., from Kharif, 2017-18, Kharif, 2018-19 and Kharif, 2019-20 on integrated crop management (ICM). Front line demonstrations on black gram were organized in nine cluster in different taluka of Patan District. The demonstrated technology is improved variety (GU-1), Optimum seed rate (20 Kg/Ha), Seed treatment by fungicide and insecticide, Soil inoculation by NPK-liquid consortia Bio fertilizer @ 5 Lit/ Ha, RDF as per STV, water management at critical stages, IWM and application of IPM module for the management of insect (Specially on Tobacco Caterpillar and pod borer) and Yellow Mosaic diseases.Result: Reduce the pest infestation under demonstrated technology of black gram resulted enhance the productivity is 24.51 per cent in demonstrated plot over farmers practice. The net return from demonstrated technology is ranged from Rs 28530 per ha in 2018-19 to Rs 36830 per ha in 2019-20 whereas in farmers practice, it was ranges from Rs 20700 in 2017-18 to Rs 30200 in 2019-20. The benefit: cost ratio of black gram cultivation under demonstrated technology was 3.10 whereas in farmer’s practices, it was 2.77.


2020 ◽  
Vol 3 (2) ◽  
pp. 56-62
Author(s):  
Md. Anichhul Islam ◽  
Md. Yamin Kabir ◽  
Nubayra Tasnim Shuvra ◽  
Md. Amirul Islam ◽  
Md. Hasibur Rahaman Hera

AbstractA field experiment was carried out to investigate the effect of different manures and fertilizers on the growth and yield of knol-khol (Brassica oleracea var. gongylodes) at Dr. Purnendu Gain Field Laboratory of Agrotechnology Discipline, Khulna University, Khulna from November 2014 to February 2015. The single factor experiment comprised of different types of fertilizers and manures viz., T0 (Control), T1 (Recommended doses of NPK), T2 (Cow dung), T3 (Vermicompost), T4 (Poultry manure), T5 (50 % Cow dung + 50 % NPK), T6 (50% Vermicompost + 50% Cow dung), T7 (50% Vermicompost + 50 % Poultry manure) and T8 (25% Cow dung+ 25% Vermicompost+ 25% Poultry manure + 25% NPK). The Experiment was laid out in Randomized Complete Block Design (RCBD) with four replications. The maximum plant height was obtained from the treatment T1 at 25, 35 and 45 Days after transplanting (DAT). The maximum spread of canopy was 36.75 cm, 52.50 cm and 66.05 cm from the treatment T3, T7 and T2, respectively. The maximum economic yield (21.92 t/ha) and biological yield (40.083 t/ha) were found in the treatment T1 and T7, respectively. Highest benefit cost ratio (3.07) was obtained from the treatment T1whilethe minimum (0.57) was obtained from T3 which indicates that high cost of vermicompost affect net return severely. Although, T1 produced maximum benefit cost ratio, the treatment T4 and T2 are very close to T1 and also statistically similar. So, we can consider poultry manure and cow dung for our soil health, environmental benefits and ecological safety.


Author(s):  
Anil Khippal ◽  
Samar Singh ◽  
Meharchand ◽  
Rajender Sheokand ◽  
Jasbir Singh ◽  
...  

To increase the area, production and productivity of sugarcane and legumes/oilseeds for increasing the profit of the farmers’, field experiments were conducted at Chaudhary Charan Singh Haryana Agricultural University, Regional Research Station, Karnal during 2005-06 and 2006-07 followed by demonstrations on intercropping of legumes/oilseed with sugarcane at farmers’ field in Kaithal district during 2009-10 and 2010-11. Cane yield did not reduce significantly due to intercropping except raya during 2005-06. The percent incidence of pink borer, shoot borer, top borer and root borer remained below economical threshold level (ETL). In all intercropping systems, total land equivalent ratio (LERt) was greater than unity, indicated yield advantage for the intercropped plots. Land equivalent coefficient (LEC) followed the same pattern as LERt. Total area time equivalent ratio (ATERt) values showed an advantage (22-28 %) with all intercropping systems than sole cropping with maximum advantage from sugarcane + chickpea. Sugarcane was more competitive than pea and lentil intercrops, whereas, raya and chickpea were more competitive than sugarcane. Higher competitive ratio values for the intercrops (CRi) indicated that all the intercrops were more competitive than sugarcane. Total values of actual yield loss (AYL) showed an advantage of 22-38% from intercropping compared to sole cropping. Highest monetary advantage index (MAI) value was obtained from sugarcane + pea intercropping system (75779). However, the minimum MAI was obtained from sugarcane + lentil intercropping system (62382). Demonstrations on intercropping at farmers’ field also resulted in higher gross returns, returns over variable cost and benefit: cost ratio.


2016 ◽  
Vol 14 (1) ◽  
pp. 54-62
Author(s):  
M Z H Prodhan ◽  
M S Noman ◽  
M T Hasan ◽  
M A Maleque

To develop a suitable integrated pest management (IPM) package(s) against tube spittle bug attacking jujube, the study was conducted at the farmer’s orchard at Sherpur Upazilla of Bogra district, Bangladesh during the two consecutive winter seasons of 2011-12 and 2012-13. There were five IPM packages viz., P1 = Clean cultivation + collection and destruction of tube with alive nymph from the branches, P2 =P1 + two sprays of Detergent @ 2gl-1 of water applied (at initial stage of infestation and 10 days after 1st spray), P3 =P1 + two sprays of crushed Neem seed extract @ 150 gl-1 of water (at initial stage of infestation and 10 days after 1st spray), P4 =P1 + sprays of Cypermethrin @ 1 mll-1 of water at initial stage of infestation, P5 =P4 + one additional spray of Cypermethrin @ 1mll-1 at 10 days after 1st spray and an untreated control. In both the years, treatment P5 was found most effective, which resulted lower damage to inflorescence and produced higher yield, followed by P4 and P3.  In case of marginal benefit cost ratio, the highest value (15.69 & 20.63) was obtained from the treatment P5 which was closely followed by P4 (15.07 &20.12) in both of years, respectively.The Agriculturists 2016; 14(1) 54-62


Author(s):  
B.L. Jat ◽  
Nidhi . ◽  
Gopichand Singh ◽  
Pushpa Kumawat

On Farm Testing of Pheromone trap @ 5/ha + Coriander row (7/8:1) + HaNPV @ 250 LE/ha against pod borer (Helicoverpa armigera L.) management was assessed on farmers field in Nagaur district during 2020-21. Trial was conducted on 10 farmer’s field to know the impact of said technology on chickpea pod borer management. In the demonstrated technologies the chickpea seed production 19.83 q/ha. The percent seed yield increase over the farmer’s practices was 34.11%. The net return in demonstration technology was ` 67036/ha and the same was ` 44525/ha. The incremental benefit cost ratio was 3.26 in demonstration technology as compared to farmer’s/ local check 2.60 respectively.


2019 ◽  
Vol 23 (2) ◽  
pp. 79-87
Author(s):  
ZA Riyadh ◽  
MA Rahman ◽  
MG Miah ◽  
SR Saha ◽  
MA Hoque ◽  
...  

The terrace ecosystem is considered as hotspot of jackfruit tree (Artocarpus heterophyllus Lam) in Bangladesh having potential for understory cropping. However, most of the jackfruit orchards are often found utilized or underutilized. A field experiment was conducted under the jackfruit orchard to study the performance of aroids (Colocasia esculenta L.) from April to October, 2017 in Belabo upazila of Narsingdi district. Four distances (1, 2, 3 and 4 m) from the base of jackfruit tree were considered for aroid planting to evaluate its performance as agroforestry crop in comparison to sole aroid. Land use and economic performances of agroforestry and sole systems were also evaluated. The results indicated that the production of jackfruit increased by 62.73%, while the yield of aroid reduced by 33.48% in agroforestry systems as compared to the yields of sole (non-agroforestry) systems. In agroforestry system, the photosynthetically active radiation (PAR) was severely reduced by 85-77% on aroid crop that caused yield reduction. It was also observed that soil temperature was lower in agroforestry system as compared to sole cropping of aroid, while soil moisture showed inverse trend in sole jackfruit. Economic analysis in terms of benefit cost ratio (BCR) was 2.60 in agroforestry, while the BCR of sole aroid was only 1.83. The land equivalent ratio (LER) was 2.31 in agroforestry system. The present results indicate that aroid cultivation in jackfruit-based agroforestry system under terrace ecosystem can ensure overall higher production and improve economic return. Ann. Bangladesh Agric. (2019) 23(2) : 79-87


2020 ◽  
Vol 22 (2) ◽  
pp. 103-112
Author(s):  
A Akhter ◽  
MP Anwar ◽  
M Begum ◽  
S Yesmin ◽  
MI Rabeya ◽  
...  

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during February to June 2017 to study the feasibility of different direct seeded rice based intercropping systems under varying fertilizer management. The experiment was conducted in afactorialrandomized complete block design with three replications. Four leafy vegetables viz., gimakalmi, Indian spinach, red amaranth andjute were intercropped with dry direct seeded boro rice (cv. BRRI dhan28) following three fertilizer dose such as 100, 75 and 125% of recommended fertilizer, and sole rice was also maintained as control. Rice yield was the highest (3.87t ha-1) in sole cropping, and intercroppingresulted insignificant rice yield reduction. Although inintercropping rice yielddecreased, but increased both gross margin and benefit cost ratio (BCR) as compared to rice sole cropping. Among the vegetables, gimakalmi performed the best followed by red amaranth in terms of yield and 125% recommended fertilizer was the best fertilizer dose. Gimakalmi intercropped with rice following 125% recommended fertilizer showed the highest gross return and BCR (2.53). Therefore, vegetables like gimakalmi and red amaranth couldbe recommended as intercrop with dry direct seeded winter rice with 125% recommended fertilizer for better productivity and higher economicreturn. Bangladesh Agron. J. 2019, 22(2): 103-112


Author(s):  
K. Das ◽  
S. Datta ◽  
S. Sikhdar

An experiment was conducted during the rabi season of the years 2015-16 and 2016-17 at the Instructional Farm of Uttar BangaKrishiVishwavidyalaya, Pundibari, Cooch Behar to study the performance of eight bush type frnch bean (Phaseolus vulgaris L.) varieties (Shagun, Victoria, Falguni, Falkon Improved, Arka Komal, special Jhati Beans, Nandini and Basuki) regarding growth, fresh pod yield and quality in this region with and without Rhizobium inoculation. The experiment was laid out in factorial randomized block design with three replications. In case of inoculation treatment, irrespective of varietal differences, seeds were treated with Rhizobiumphaseoli10g/kg of seed. Common fertilizer dose of 80:40:40 N:P2O5:K2Okg/ha was applied in each plot. The experimental results revealed that Rhizobium inoculation increased the yield and quality parameters viz, protein %, vitamin-A content and ascorbic acid content in the fresh pods of the frenchbean varieties. However, flowering and harvesting were recorded earlier in without Rhizobium inoculation treatment due to less accumulation of nitrogen content inside the plant bodies. Under Rhizobium inoculation Special Jhati Beans recorded the highest pod yield (23.05 tonnes/ha) followed by Victoria (22.43 tonnes/ha) and Arka Komal (21.95 tonnes/ha). Regarding without inoculation treatment ArkaKomal recorded the higher yield (20.05 tonnes/ha) followed by Special Jhhati Beans (20.01tonnes/ha) and Nandini (18.76 tonnes/ha).Considering the benefit: cost ratio, french bean varieties ‘SpecialJhhati Beans’ and ‘Victoria’ might be selected for the terai region of West Bengal with a benefit : cost ratio of 2.94 and 2.83 respectively.


2013 ◽  
Vol 38 (3) ◽  
pp. 447-453
Author(s):  
MN Islam ◽  
M Akhteruzzaman ◽  
MS Alom

The experiment was conducted at the research field of Agronomy Division, BARI, Joydebpur, Gazipur during the rabi season of 2009-10 and 2010-11 to find out economic fertilizer dose along with time of split application of fertilizers to potato-hybrid maize intercropping system for higher productivity. Six treatment combinations were derived through combining two fertilizer doses F1= 255-55-140-40-6-2 and F2=320-73-170-50-6-2 kg/ha NPKSZnB and three levels of split applications viz., S1= 1/3 N and full of PKSZnB (basal as broadcast) + 1/3 N top dressed at 30 DAP (days after planting) of potato + 1/3 N top dressed after potato harvest, S2= 1/3 N & ½ of PKSZnB (basal in potato rows) + ½ of PKSZnB (basal for maize) + 1/3 N top dressed at 30 DAP of potato + 1/3 N top dressed after potato harvest and S3= ¼ N & ½ of PKSZnB (basal in potato rows) + ½ of PKSZnB (basal for maize) + ¼ N top dressed at 30 DAP of potato + ¼ N top dressed at 60 DAP of potato to maize rows only + ¼ N top dressed after potato harvest. Sole crops of hybrid maize and potato with recommended fertilizer dose of 255-55-140-40-6-2 and 135-30-135-15-4-0.5 kg/ha NPKSZnB were included for comparison. The highest tuber yield of potato (24.24 t/ha) and grain yield of maize (9.48 t/ha) were obtained from respective sole crops with recommended fertilizer management. The highest potato equivalent yield (30.26 t/ha), gross return (Tk. 363120/ha), gross margin (Tk. 258620/ha), and benefit cost ratio (3.47) were obtained from F1S3. The results revealed that fertilizer dose of 255-55-140-40-6-2 kg/ha NPKSZnB along with its split application, ¼ N and ½ of PKSZnB (basal in potato rows) + ½ of PKSZnB (basal for maize) + ¼ N top dressed at 30 DAP of potato + ¼ N top dressed at 60 DAP of potato to maize rows only + ¼ N top dressed after potato harvest, might be economically profitable for potato hybrid maize intercropping system. DOI: http://dx.doi.org/10.3329/bjar.v38i3.16971 Bangladesh J. Agril. Res. 38(3): 447-453, September 2013


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