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ThesisItem Open Access Effect of organic, inorganic and integrated production systems in rice (Oryza sativa L.) under north konkan condition(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-10) Thorat Ajay Tanaji; Dahiphale A. V.; Mhaskar N. V.; Meshram N. A.; Kadam J. J.A field experiment was conducted during Kharif, 2022 at modern Agricultural Experiment Farm, Regional Agricultural Research Station, Karjat, Dist. Raigad to study the effect of organic, inorganic and integrated production systems in rice (Oryza sativa L.) under north konkan condition.ThesisItem Open Access Performance of white onion (Allium cepa L.) on varying land configurations and foliar application of bio-stimulants during rabi season in konkan(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-10) Patil Saylee Pravin; Chavan V. G.; Rajemahadik V. A.; Dhopavkar R. V.; Desai S. S.White onion cv. Alibaug local is mostly preferred for table purpose, oweing to its sweet taste and innumerable health benefits, also it is utilized as a condiment, spice and vegetable. Despite being a major crop in India, its cultivation is not very common in Konkan region. The research experiment entitled performance of white onion under different land configurations and foliar application of bio-stimulants was conducted at Instructional farm of Agronomy department, College of Agriculture, Dapoli, during rabi season, 2022-2023.ThesisItem Open Access EFFECT OF IRRIGATION STRESS LEVELS AND CHITOSAN FORTIFIED BRIQUETTES ON GROWTH, YIELD AND QUALITY OF OKRA [Abelmoschus esculentus L.](Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2023-12-23) KALE VISHWAJEET NAVNATH; Bodake P. S.; Rajemahadik V. A.; More S. S.; Sanap P. B.The present investigation entitled "Effect of Irrigation stress levels and Chitosan fortified briquettes on growth, yield and quality of Okra (Abelmoschus esculentus L.)" was carried out during zaid season, 2022 at Agronomy Farm, College of Agriculture, Dapoli, Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, Ratnagiri, Maharashtra (India).ThesisItem Open Access Evaluation of the bio-efficacy of post emergence herbicides against weed flora in rice (Oryza sativa L.)(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-10) Khavanekar Onkar Purushottam; Jadhav M. S.; Jagtap D. N.; Meshram N. A.; Kadam J. J.The Present investigation was carried out on "Evaluation of the bio-efficacy of a post emergence herbicides against weed flora in Rice (Oryza sativa L.)" during kharif, 2022.ThesisItem Open Access EFFECT OF FOLIAR APPLICATION OF NANO-UREA ON GROWTH, YIELD AND QUALITY OF KHARIF RICE (Oryza sativa L.) GROWN UNDER LATERITIC SOILS OF KONKAN REGION(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-12) PARVE MRUNAL MARUTI; Mane M. J.; Rajemahadik V. A.; Dhopavkar R. V.; Mane A. V.A field experiment was conducted during Kharif, 2022 at Instructional Farm, Department of Agronomy, College of Agriculture, Dapoli, Dr. B.S. Konkan Krishi Vidyapeeth, Dapoli to study the effect of foliar application of Nano-urea on growth, yield and quality of Kharif rice (Oryza sativa L.) grown under lateritic soils of Konkan region.ThesisItem Open Access Effect of irradiated chitosan on growth and yield of green gram (Vigna radiata L. Wilczek) in konkan region of Maharashtra(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-10) Patil Bhakti Sunil; Rajemahadik V. A.; Bodake P. S.; Kasture M. C.; More V. G.A field experiment was conducted during summer, 2022 at instructional farm, Department of Agronomy, College of Agriculture, Dapoli. Dr. B.S. Konkan Krishi Vidyapeeth, Dapoli to study the, "Effect of irradiated chitosan on growth and yield of green gram (Vigna radiata L. Wilczek) in Konkan region of Maharashtra.ThesisItem Open Access PRECISION NITROGEN MANAGEMENT IN RICE THROUGH NANO-UREA BY CALIBRATING THE LEAF COLOUR CHART (LCC) IN KONKAN REGION(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-10) THITE SEFALI DIPAK; Bodake P. S.; Chavan V. G.; Meshram N. A.; Sawardekar S. V.The present investigation was carried out on precision nitrogen management in rice through Nano-urea by calibrating the leaf colour char (LCC) in Konkan region was conducted at Agronomy farm, College of Agriculture, Dapoli, Dist. Ratnagiri (M.S.) during kharif, 2022.ThesisItem Open Access Effect of Planting geometry and fertilizer management on growth and yield of niger (Guizotia abyssinica (L.f.) Cass.) under konkan region(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2024-01-10) Mhatre Prarthana Prasad; Mane M. J.; More V. G.; Dhopavkar R. V.; Kulkarni S. M.The present investigation entitled, "Effect of planting geometry and fertilizer management on growth and yield of niger (Guizotia abyssinica (L.f.) cass) under Konkan region" was conducted during kharif, 2022 at Instructional farm, Department of Agronomy, College of Agriculture, Dapoli, Ratnagiri, Maharastra.ThesisItem Open Access ORGANIC NUTRIENT MANAGEMENT IN KHARIF RICE (Oryza Sativa L.) AND IT’S RESIDUAL EFFECT ON RABI FIELD BEAN (Lablab Purpureus L.) UNDER DIFFERENT TILLAGE SYSTEMS IN LATERITIC SOILS(Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2023-12-20) THAKARE UMESH THAKARE; A. P. Chavan; U. V. Mahadkar; V. G. Salvi; J. S. Dhekale; S. V. SawardekarThe investigation entitled, “Organic nutrient management in Kharif rice (Oryza sativa L.) and it’s residual effect on Rabi field bean (Lablab purpureus L.) under different tillage systems in lateritic soils” was conducted during Kharif and Rabi seasons of 2019-20 and 2020- 21 at Agronomy Department Farm, plot no. 24, College of Agriculture, Dapoli. Dist. Ratnagiri (M.S.). The soil of experimental plot was sandy clay loam in texture, high in organic carbon (0.94%) and low in available nitrogen (215.16 kg ha-1), low in phosphorus (11.42 Kg ha-1) and medium in potassium (251.15 kg ha-1). The soil was slightly acidic (pH 5.80) in reaction, lateritic in nature and reddish brown in colour. The field experiment was laid out in a strip plot design comprising of sixteen treatment combinations replicated thrice during Kharif season. The vertical strips comprised four organic manures viz., Farm yard manure (M1), Vermicompost (M2), Poultry manure (M3) and Glyricidia leaf manure (M4). The horizontal strips consisted four organic spray treatments viz., Control (S0), Jeevamrut (5% spray) (S1), Title of Thesis : Organic nutrient management in Kharif rice (Oryza sativa L.) and it’s residual effect on Rabi field bean (Lablab purpureus L.) under different tillage systems in lateritic soils Name of the Student : Mr. Thakare Umesh Eknath Registration No. : ADPD/18/0290 Name of Research Guide : Dr. A. P. Chavan Professor (CAS) Office Incharge Livestock Research Station, Nileli Tal- Kudal, Dist- Ratnagiri Year of Award of Degree : 2022 Vermiwash (5% Spray) (S2) and Cow urine (5% Spray) (S3) to rice in Kharif season. During Rabi season each main plot treatment was splited into two sub plot treatments for accomodating two tillage systems viz., T1 – Zero tillage and T2 – Minimum tillage to field bean resulting into thirty two treatment combinations replicated three times in Strip-Split plot design. The rice transplanting was done by using conventional method on puddled field in which 21 days old seedlings were used during both Kharif seasons. Organic manures were applied as per the treatments. The organic sprays were sprayed at 15, 30 and 45 DAT of rice. During Rabi season each main plot of preceding rice was divided into two equal splits of field bean and tillage systems were carried out as per the treatments. The other usual common packages of practices were followed time to time and periodical growth observations were recorded at an interval of 30 DAS for Kharif rice and 20 DAS for Rabi field bean. Crops were harvested at physiological maturity and data on yield attributes and yield were recorded for both seasons. ` Application of poultry manure in rice significantly increased the grain yield, straw yield and biological yield ha-1 over rest of the organic manures followed by application of farm yard manure, vermicompost and glyricidia leaf manure. The mean increase in grain yield recorded under application of vermicompost, farm yard manure and poultry manure over glyricidia leaf manure was 1.95, 5.60 and 10.90 per cent, respectively. Increase in yields due to poultry manure was the result of increased growth and yield attributes viz., plant height, number of functional leaves hill-1, number of tillers hill-1, dry matter accumulation hill-1, number of panicles hill-1, length of panicle, weight panicle-1, number of filled grains panicle-1 and test weight during both the years. The nitrogen, phosphorus and potassium contents in grain and straw and protein content in rice were increased significantly due to application of 100% RDN through poultry manure and it was at par with application of 100% RDN through farm yard manure except phosphorous content in grain and straw of rice during both the years of study. The protein content in rice grain followed similar trend to that of N content in grain. The available N, P and K after harvest of rice was maximum and significantly higher under application of 100% RDN through glyricidia leaf manure and significantly lower under application of 100% RDN through poultry manure. However, all values observed under different organic manures were higher compared to their initial levels, indicating the increased production of rice without reduction in soil fertility. Poultry manure application gave significantly the highest net returns and benefit to cost ratio from Kharif rice as compare to other organic manures during both the years as well as in pooled data, suggesting that poultry manure could be the alternative for glyricidia leaf manure, vermicompost and farm yard manure. Foliar application of 5% jeevamrut (S1) remained at par with 5% vermiwash (S2) and recorded maximum and significantly higher growth and yield attributes and finally grain and straw yield, respectively. The magnitude of increase in grain yield recorded due to 5% foliar application of jeewamrut (S1), vermiwash (S2) and cow urine (S3) over control (S0) on pooled basis was 7.90, 5.75 and 4.53 per cent, respectively. Increase in yields due to foliar application of 5% jeewamrut (S0) was the results of increased growth and yield attributes viz., plant height, number of functional leaves hill-1, number of tillers hill-1, dry matter accumulation hill-1, number of panicles hill-1, length of panicle, weight panicle-1, number of filled grains panicle-1 and test weight during both the years. The N, P and K content in grain and straw and their uptake were increased significantly due to foliar application of 5% jeevamrut (S1) and 5% vemiwash (S2) as compared to control during both the years. Protein content in rice grain significantly increased under foliar application of 5% jeevamrut (S1) and 5% foliar application of vermiwash (S2) as compared to control (S0). The available N, P and K after harvest of rice was maximum and significantly higher under control (S0) which was at par with 5% cow urine spray except available P in soil after rice harvesting and significantly lower under foliar application of 5% jeevamrut (S1) during both the years. The values of available N and P after harvest of rice were improved under all the organic spray treatments over their respective initial levels, indicating the increased production of rice without loss of fertility. Maximum and significantly higher net returns and benefit to cost ratio were observed under control plot treatment (S0) followed by 5% foliar application of jeevamrut (S1), vermiwash (S2) and cow urine (S3) during both years of experimentation as well as in pooled data. Application of 100% RDN through poultry manure along with control plot in rice (M3S0) recorded maximum B:C ratio during individual years as well as in pooled analysis. This was followed by application of 100% RDN through poultry manure along with 5% foliar application of jeevamrut (M3S1) in respect of benefit to cost ratio. During Rabi season residual effect of organic manures in rice was found to be significant in respect of all growth, yield attributes, yield, soil fertility and economic parameters of Rabi field bean. Residual effect of organic sprays in Kharif rice on succeeding field bean was found to be non-significant in respect of growth, yield attributes, yield, NPK content and uptake, soil fertility and economic analysis. The results revealed that application of 100 % RDN through poultry manure (M3) and 100 % RDN through farm yard manure (M1) remained at par for most of the observations and recorded significantly higher values over application of 100 % RDN through glyricidia leaf manure (M4). On the basis of pooled data, the magnitude of increase in seed yield recorded under residual effect of 100% RDN through poultry manure (M3), farm yard manure (M1) and vermicompost (M2) over glyricidia leaf manure (M4) were 13.10, 6.49 and 3.49 per cent, respectively. Increase in yields and other parameters due to 100 % RDN through poultry manure in preceding rice were the results of increased growth and yield attributes viz., plant height, number of functional leaves plant-1, number of branches plant-1, dry matter production plant-1, plant spread, number of pods plant-1, number of seeds pod-1, weight of pods plant -1 and test weight during both the years. The N, P, K content in seed, stover and their uptake and protein content in seed of field bean was significantly higher due to 100 % RDN through poultry manure applied in preceding rice recorded significantly higher values as compared to application of 100% RDN through glyricidia leaf manure during both the years. The protein content in field bean followed similar trend to that of N content in field bean. Residual effect of application of 100% RDN through poultry manure (M3) in field bean recorded significantly higher values of available N, P and K content of soil after harvest of field bean as compared to application of 100% RDN through glyricidia leaf manure (M4). However, the values of available N and P content in soil determined after harvest of field bean were higher compared to their initial levels, indicating the increased production of field bean without reduction in soil fertility in terms of available N and P. The available K content measured after harvest of field bean was reduced under all the organic manure treatments in preceding rice as compared to its initial level. Among different organic manure treatments in preceding rice, the magnitude of reduction in available K content was under 100% RDN through poultry manure and it was lower and comparable under application of 100% RDN through farm yard manure, vermicompost and glyricidia leaf manure. The results clearly showed that K should be applied to field bean also. Application of 100% RDN through poultry manure (M3) in preceding rice gave maximum and significantly higher net returns and B: C ratio over rest of the organic manure treatments during both the years as well as in pooled data. The minimum tillage produced significantly higher seed and stover yield of field bean as compared to zero tillage. On the basis of pooled data, the magnitude of increase in seed yield recorded under minimum tillage over zero tillage was 3.48 per cent. Increase in yields due to minimum tillage were the results of increased growth and yield attributes viz., plant height, number of functional leaves plant-1, number of branches plant-1, dry matter production plant-1, plant spread, number of pods plant-1, number of seeds pod-1, weight of pods plant -1 and test weight during both the years. Significantly higher N, P, K content in seed, stover and their uptake by field bean were recorded under minimum tillage as compared to zero tillage during both the years. The protein content in field bean followed similar trend to that of N content in seed and stover. Zero tillage (T1) in field bean recorded significantly lower values of available N, P and K content of soil after harvest of field bean as compared to minimum tillage. The values of available N and P content in soil determined after harvest of field bean were higher compared to their initial values indicating the increased production of field bean without reduction in soil fertility in terms of available N and P. In general, there was reduction in available K content of soil under both the tillage systems adopted for field bean after harvest of field bean. The magnitude of decline in available K was higher under zero tillage and decline was lower under minimum tillage. Minimum tillage (T2) in field bean gave maximum and significantly higher net returns and B: C ratio over zero tillage system during both the years as well as in pooled data. The highest net returns and B: C ratio from field bean were obtained when rice crop was manured by 100% RDN through poultry manure + 5% foliar application of jeevamrut and field bean was grown under minimum tillage (M3S1T2) as compared to remaining treatment combinations. The balance of available soil N and P after two years of experimentation were positive under all the treatments imposed for Kharif rice – Rabi field bean cropping system. The available K balance showed a negative balance under all the treatments applied to rice - field bean cropping system. The net available N and P balance was the highest when rice crop was manured by 100% RDN through poultry manure followed by farm yard manure. The net available K balance after two years was negative under all organic manure treatments. The higher N and P balance was observed when Kharif rice was under foliar application of 5% jeevamrut while it was low under control after two years of experimentation. Similarly, net available K balance depletion was lower under foliar application of 5% jeevamrut in Kharif rice while depletion was higher under control plot treatment. Minimum tillage followed for Rabi field bean increased available N and P balance as compared to zero tillage. As far as K balance is concerned, its decline was low under minimum tillage. Thus, nutrient balance of N, P and K after two years of experimentation showed that rice be manured with poultry manure along with foliar application of jeevamrut and succeeding field bean be grown under minimum tillage. Rice manured with 100% RDN through poultry manure recorded higher net returns and B:C ratio of the system. Though the net returns and B:C ratio of the system observed due to foliar application of 5% jeevamrut to rice was higher with improvement in soil fertility. Minimum tillage adopted for Rabi field bean recorded significantly higher net returns and B:C ratio from the system. The rice-field bean cropping sequence was assessed on the basis of yield, net monetary returns, B:C ratio and soil nutrient status after two years of experimentation. On the basis of experimental results of all above parameters a comprehensive conclusion can be drawn that for getting higher returns, yield, economic returns and to sustain soil fertility in long run in Kharif rice- Rabi field bean cropping system, rice be manured with poultry manure along with foliar application of 5% jeevamrut and Rabi field bean be grown under minimum tillage.
