Estimating Indigenous Nutrient Supplies for Site-Specific Nutrient Management in Irrigated Rice

2003 ◽  
Vol 95 (4) ◽  
pp. 924-935 ◽  
Author(s):  
A. Dobermann ◽  
C. Witt ◽  
S. Abdulrachman ◽  
H. C. Gines ◽  
R. Nagarajan ◽  
...  
Keyword(s):  
Nutrient Management ◽  
Irrigated Rice ◽  
Site Specific

scholarly journals Site-Specific Nutrient Management for Irrigated Rice in South Central Region of Bangladesh

2018 ◽  
Vol 20 (2) ◽  
pp. 1-9
Author(s):  
MAA Mamun ◽  
SA Islam ◽  
MS Islam ◽  
AJ Mridha ◽  
MA Saleque
Keyword(s):  
Grain Yield ◽  
Central Region ◽  
Field Trial ◽  
Nutrient Management ◽  
Rice Yield ◽  
Substantial Variation ◽  
Irrigated Rice ◽  
Site Specific ◽  
South Central ◽  
A Site

A site-specific nutrient management (SSNM) field trial was conducted for irrigated rice using five fertilizer treatments: i) omission of N, ii) omission of P, iii) omission of K, iv) NPK and v) farmers’ practice (FP). Substantial variation in the native N, P, and K supply was found among farmers’ fields. The indigenous soil K produced 4.5 to 5.0 t ha-1 but native P and N gave only rice yield of 3.5 to 4.0 t ha-1. The highest grain yield (6.0 to 7.5 t ha-1) was obtained from balanced fertilization, followed by FP (4.0 to 5.0 t ha-1).The optimal grain yield at Faridpur was obtained by using N, P and K at 135, 8 and 49 kg ha-1; 139, 9 and 42 kg ha-1; and 140, 10 and 43 kg ha-1 for high, medium and low land rice, respectively. However, for Gopalgonj district fertilizer doses of N, P and K were 140, 11 and 38 kg ha-1; 142, 10 and 42 kg ha-1; and 138, 10 and 49 kg ha-1; and for Madaripur district, 126, 8 and 46 kg ha-1; 120, 7 and 38 kg ha-1; and 99, 6 and 27 kg ha-1 for high, medium and low land rice, respectively. These predicted fertilizer doses increase farmers’ income and protect environment from pollution.Bangladesh Agron. J. 2017, 20(2): 1-9

Environmental impact and economic benefits of site-specific nutrient management (SSNM) in irrigated rice systems

2007 ◽  
Vol 93 (1-3) ◽  
pp. 1-24 ◽  
Author(s):  
M.F. Pampolino ◽  
I.J. Manguiat ◽  
S. Ramanathan ◽  
H.C. Gines ◽  
P.S. Tan ◽  
...  
Keyword(s):  
Environmental Impact ◽  
Nutrient Management ◽  
Economic Benefits ◽  
Irrigated Rice ◽  
Site Specific

Site-specific Nutrient Management of Irrigated Rice in the Central Plain of Thailand

2010 ◽  
Vol 34 (3) ◽  
pp. 258-269
Author(s):  
Tasnee Attanandana ◽  
Sahaschai Kongton ◽  
Buree Boonsompopphan ◽  
Anan Polwatana ◽  
Prateep Verapatananirund ◽  
...  
Keyword(s):  
Nutrient Management ◽  
Irrigated Rice ◽  
Site Specific ◽  
Central Plain

Performance of Site-Specific Nutrient Management for Irrigated Rice in Southeast China

2001 ◽  
Vol 93 (4) ◽  
pp. 869-878 ◽  
Author(s):  
Guanghuo Wang ◽  
Achim Dobermann ◽  
Christian Witt ◽  
Quingzhu Sun ◽  
Rongxing Fu
Keyword(s):  
Nutrient Management ◽  
Irrigated Rice ◽  
Site Specific ◽  
Southeast China

scholarly journals EFEKTIVITAS PENGGUNAAN TEKNOLOGI PENGELOLAAN HARA SPESIFIK LOKASI PADA TANAMAN PADI DI LAHAN SAWAH IRIGASI SULAWESI TENGGARA

2016 ◽  
Vol 19 (3) ◽  
pp. 227 ◽  
Author(s):  
Zainal Abidin ◽  
Samrin , ◽  
Didik Raharjo
Keyword(s):  
Nutrient Management ◽  
Rice Yield ◽  
Dry Season ◽  
Component Technology ◽  
Wet Season ◽  
Irrigated Rice ◽  
Site Specific ◽  
Rice Area ◽  
Growth Production ◽  
Production Target

<p>Pemupukan merupakan salah satu komponen teknologi yang penting dalam upaya peningkatan produksi padi,namun teknologi rekomendasi pemupukan yang digunakan selama ini kurang spesifik. PHSL adalah aplikasi berbasis komputer yang dapat digunakan untuk memperoleh rekomendasi pemupukan yang spesifik lokasi. Kajian dilakukan untuk mengetahui keragaan pertumbuhan, produksi, dan aspek ekonomi penerapan teknologi PHSL pada lahan sawah irigasi di Sulawesi Tenggara. Kajian dilakukan melalui kaji terap dengan membandingkan antara teknologi pemupukan berdasarkan PHSL dengan teknologi pemupukan berdasarkan kebiasaan petani selama dua musim tanam yaitu pada MH 2011/2012 (Oktober 2011 – Januari 2012) pada luasan 4 ha yang melibatkan 40 orang petani dan MK 2012 (Juli – November) pada luasan 21,4 ha melibatkan 25 orang petani di Kecamatan Uepai Kabupaten Konawe.Hasil kajian menunjukkan bahwa jumlah anakan produktif dan hasil padi sawah yang menggunakan rekomendasi pemupukan PHSL lebih tinggi dan berbeda nyata sementara jumlah gabah hampa lebih rendah dan berbeda nyata dibandingkan dengan teknologi petani. Produktivitas padi yang menggunakan rekomendasi pemupukan PHSL lebih tinggi 20% - 34% dibandingkan dengan teknologi eksisting petani. Aplikasi PHSL relatif baik dalam menentukan dosis pupuk N, P dan K dengan tingkat pencapaian target produksi mencapai 87,5% pada MT I dan 89,5% pada MT 228 Jurnal Pengkajian dan Pengembangan Teknologi Pertanian, Vol. 19, No.3, November 2016: 227-241 II. Penerapan teknologi PHSL memberikan perbedaan keuntungan sebesar Rp3.912.200 pada MT I dan Rp2.838.700 pada MT II. Nilai MBCR pada MT I dan MT II masing-masing 5,12 dan 5,70, menunjukkan rekomendasi pemupukan PHSL layak diterapkan.</p><p><strong>ABSTRACT</strong></p><p><strong></strong>Effectiveness of Site Specific Nutrient Management (SSNM) Application for Rice on Irrigated Land at Southeast Sulawesi. Fertilizing technology is a component technology to increase the rice production, otherwise the existing recommendation for fertilizing is not locally specific. Site Specific Nutrient Management (SSNM) is a software technology to obtain the site specific fertilizing recommendation. The research was applied to analyze the performance of plant growth, production, and economic aspect on irrigated rice area in South East Sulawesi. The research was conducted using action research by comparing SSNM with farmer existing technology for two seasons including wet season (October 2011 – January 2012) for 4 ha area collaborated with 40 farmers and dry season (Juli – November 2012) for 21,4 ha and collaborated with 25 farmers at Uepai Sub District in Konawe District. The result showed that tillering quantity and rice yield of those using SSNM recommendation were significantly higher and the number of empty grains was significantly lower than farmer’s practice as well. The rice productivity using SSNM recommendation was higher 20 – 34% than farmer’s practice. SSNM software was compatible to use in setting doses of N, P and K recommendation with rate of production target reached 87,5% for season I and 89,5% for season II. The application of SSNM technology contributed to increase income by IDR3.912.200 in wet season and IDR2.838.700 in dry season. MBCR value were 5,12 in wet season and 5,70 in dry season those showed SSNM technology was feasible to be applied.</p>

Estimating Indigenous Nutrient Supplies for Site-Specific Nutrient Management in Irrigated Rice

2003 ◽  
Vol 95 (4) ◽  
pp. 924 ◽  
Author(s):  
A. Dobermann ◽  
C. Witt ◽  
S. Abdulrachman ◽  
H. C. Gines ◽  
R. Nagarajan ◽  
...  
Keyword(s):  
Nutrient Management ◽  
Irrigated Rice ◽  
Site Specific

scholarly journals An Assessment of the Site-Specific Nutrient Management (SSNM) Strategy for Irrigated Rice in Asia

Agriculture ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 559
Author(s):  
Divina Gracia P. Rodriguez
Keyword(s):  
Nutrient Management ◽  
Empirical Studies ◽  
The Philippines ◽  
Irrigated Rice ◽  
Site Specific ◽  
Fertilizer Recommendation ◽  
Fertilizer Recommendations ◽  
Phosphorus And Potassium ◽  
Major Nutrients ◽  
Nitrogen Phosphorus

The site-specific nutrient management (SSNM) strategy provides guidelines for effective nitrogen, phosphorus and potassium management to help farmers make better decisions on fertilizer input and output levels in rice (Oryza sativa) production. The SSNM fertilizer recommendations are based on the yield goal approach, which has been frequently cited in empirical studies. This study evaluates the assumptions underlying the SSNM strategy for rice in the top rice-producing countries around the world, including India, Indonesia, the Philippines, Thailand, and Vietnam. Using a generalized quadratic production function, I explore whether major nutrients are substitutes as inputs and if there are complementarities between inorganic fertilizer and soil organic matter (SOM). The results suggest the relationships among major nutrients vary across sites—some inputs are complements, some are substitutes, and some are independent. The SOM also significantly affects the nitrogen fertilizer uptake. I conclude by suggesting that the SSNM strategy can be made to be more adaptive to farmer’s fields if these relationships are accounted for in the fertilizer recommendation algorithm.

scholarly journals Site-Specific Nutrient Management for Rainfed Maize in Western Mid-Hills of Nepal

2015 ◽  
Vol 3 (2) ◽  
pp. 227-231 ◽  
Author(s):  
Prakash Ghimire ◽  
Khem Raj Dahal ◽  
Santosh Marahatta ◽  
Krishna Devkota ◽  
Buddhi Raj Ghimire
Keyword(s):  
Nutrient Management ◽  
Block Design ◽  
Maize Production ◽  
Site Specific ◽  
Fertilizer Recommendation ◽  
Application Rates ◽  
Development Committee ◽  
Fertilization Practice ◽  
Village Development Committee ◽  
On Farm

 On-farm experiment was conducted in eight farmers’ field, of Khasyoli village development committee (952 to 1415 masl), Nepal, from April to September, 2011 to address the major constraint (nutrient management) to maize production through site-specific nutrient management (SSNM) as this approach is popular among scientists. The experiment comprised three nutrient omission plots (0N, 0P, and 0K), an ample NPK plot, and a farmers’ fertilization practice (FFP) plot, arranged in randomized complete block design. Farmers planted open pollinated variety (Manakamana-3) and managed in their way. Field-specific NPK application rates were calculated by considering nutrient demand, indigenous NPK supply and recovery efficiency of fertilizers. Grain yield in FFP (2.32 Mg/ha) and 0N (1.79 Mg/ha) plots differed significantly from each other and rest of the treatments, but was statistically similar among 0P (3.18 Mg/ha), 0K (3.40 Mg/ha) and ample NPK (3.38 Mg/ha) plots. Post-harvest grain and stover analysis revealed that indigenous NPK supply (20-71 kg N, 19-68 kg P2O5 and 51-164 kg K2O/ha) of soil vary among the farmers’ field. Moreover, soil was poor in indigenous N supply (42 kg/ha), but rich in indigenous P2O5 (35 kg/ha) and K2O (90 kg/ha) supply, on an average. As per the principles of SSNM, the initial fertilizer recommendation made can vary from 40-222 kg N, 0- 93 kg P2O5, and 0-50 kg K2O/ha. On an average, farmers may apply no or lower dose of P2O5 (18 kg/ha) and K2O (3 kg/ha) but need to significantly increase dose of N (143 kg/ha) fertilizer for enhancing soil and maize productivity.Int J Appl Sci Biotechnol, Vol 3(2): 227-231 DOI: http://dx.doi.org/10.3126/ijasbt.v3i2.12538   

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