scholarly journals Respon Varietas Padi Berpotensi Hasil Tinggi terhadap Pemupukan Nitrogen pada Inceptisols Bertekstur Ringan dan Berat

2020 ◽  
Vol 44 (1) ◽  
pp. 37
Author(s):  
Diah Setyorini ◽  
Ladiyani Retno Widowati ◽  
Antonius Kasno

<p><strong>AbstraK.</strong> Nitrogen adalah salah satu unsur hara makro esensial yang dibutuhkan untuk meningkatkan hasil tanaman padi sawah. Tanpa pemupukan N hasil padi sangat rendah dan relatif sama dengan hasil padi yang tidak dipupuk sama sekali. Penelitian bertujuan untuk menentukan dosis rekomendasi pupuk N untuk padi berpotensi hasil tinggi varietas Inpari 4, Mekongga dan hibrida H6444. Penelitian telah dilaksanakan di Inceptisols Plemahan yang bertekstur berat dan Inceptisols Gurah yang bertekstur ringan, di Kabupaten Kediri, Provinsi Jawa Timur. Penelitian menggunakan rancangan petak terpisah dengan tiga varietas padi sebagai petak utama dan dosis pupuk N sebagai anak petak, pada Musim Kemarau (MK) 2012. Hasil penelitian menunjukkan bahwa pertumbuhan dan hasil gabah padi hibrida H6444 lebih tinggi sekitar 14-21% dibandingkan Inpari 4 dan Mekongga. Semakin tinggi dosis N, pertumbuhan dan hasil gabah semakin meningkat. Interaksi antara perlakuan varietas dan dosis N hanya terjadi pada parameter hasil gabah. Dosis maksimum pupuk Urea untuk padi sawah pada tanah bertekstur ringan di desa Gurah berturut-turut adalah 680 dan 715 kg ha<sup>-1</sup> untuk Inpari 4 dan Mekongga serta 450 kg ha<sup>-1</sup> untuk H6444. Pada tanah bertekstur berat di Plemahan adalah 580 dan 560 kg ha<sup>-1</sup> berturut-turut untuk Inpari 4 dan Mekongga dan 350 kg ha<sup>-1</sup> untuk H6444.</p><p> </p><p><strong>Abstract</strong>. Nitrogen is one of macro essential nutrients needed to increase rice yield. In the absence of N fertilization, the rice yield is very low and similar to the rice yield with no fertilization. The objective of the study was to determine recommended dose of N fertilizer for high yielding rice varieties of Inpari 4, Mekongga and H6444 hybrid varieties. Research has been carried out in Inceptisols Plemahan Village with heavy soil texture and Inceptisols in Gurah Village, in Kediri District, East Java Province with light soil texture. The study used a split plot design consisted of three rice varieties as the main plot and six levels of N dose as subplots, in the dry season of 2012. The results showed that the growth and yield of H6444 hybrid variety were 14-21% higher than Inpari 4 and Mekongga. The higher the N dose, the higher were the rice growth and yield. The interaction between varieties and N level was observed in grain yields. The maximum doses of Urea fertilizer for lowland rice in light textured soils in Gurah were 680 and 715 kg ha<sup>-1</sup> for Inpari 4 and Mekongga, respectively, and 450 kg ha<sup>-1</sup> for H6444. For  heavy textured soils in Plemahan is 580 and 560 kg ha<sup>-1</sup> for Inpari 4 and Mekongga, respectively, and 350 kg ha<sup>-1</sup> for H6444<span style="text-align: justify; font-family: Tahoma, sans-serif; color: #222222;" lang="EN">.</span></p>

2021 ◽  
Vol 306 ◽  
pp. 01041
Author(s):  
Tietyk Kartinaty ◽  
Rustan Massinai ◽  
Deden Fardenan ◽  
Riki Warman

Rice Inpari-IR-Nutri Zinc is a biofortified product with a high zinc content compared to other types of rice. This study aimed to obtain the best planting system and the number of seeds in increasing the growth and yield of Inpari IR Nutri Zinc. This study used a Divided Plot Design which was repeated four times. There was a total of 32 treatment combinations. The planting system (S) is placed as the main plot consisting of S1 (4: 1 Legowo Planting System) and S2 (Tile Planting System), while the number of seeds (J) as sub-plots consists of J1 (1 seed), J2 (3) seeds), J3 (3 seeds) and J4 (7 seeds). The planting system and the number of seeds had a significant effect on the variables of plant height, total tiller number, number of productive tillers, the weight of 1,000 seeds, panicle length, and rice production of Inpari IR Nutri Zinc. The use of seeds of 1 and 3 plants produced 4.74 and 4.60 tons/ha. The legowo 4: 1 planting system had 4.88


2018 ◽  
Vol 20 (2) ◽  
pp. 28
Author(s):  
Pricillia Galuh Pusparini ◽  
Ahmad Yunus ◽  
Dwi Harjoko

<p>Corn is an important crop. Potency of corn productivity in Indonesia are still low. Main obstacles of increasing corn productivity is convertion of fertile land into non agriculture interest. the increase of corn productivity can be done by administrating NPK fertilizer and hybrid variety. This research is aiming at deciding and analyzing the effect of NPK fertilizer administration and hybrid corn variety towards growth and result. This research was held in June to October 2017, at Srimartani Village, Piyungan Districts, Bantul Regency, Daerah Istimewa Yogyakarta with regosol soil type and land altitude around 80 meter above sea surface. This experiment arranged in split plot design by factorial. Experimented factor are two corn hybrid variety ABCD and EFGH (main plot) with three doses of NPK fertilizer 200, 300 and 400 kg ha<sup>-1</sup> (sub plot). The result of research show that there are responds in two variety towards NPK fertilizer dosage almost same (unreal interraction). ABCD and EFGH variety reach highest result of height and component at 300 kg ha<sup>-1</sup>doses. Variable of cob weight with husk, cob weight without husk, cob length, total row, dry pipilan weight per plot, 100 seeds weight, fresh stover wieght, dry stover weight, harvest index and yield per hectare the highest average is variety of EFGH. NPK fertilizer dosage 300 kg ha<sup>-1</sup> is the best amount to optimally increase the growth and yield of hybird corn (8,92 ton ha<sup>-1</sup>). EFGH variety with 300 kg ha<sup>-1</sup> NPK fertilizer dosage can increase the potency of hybird corn yield. EFGH variety is showing better results (9,26 ton ha<sup>-1</sup>).  </p>


2020 ◽  
pp. 1004-1010
Author(s):  
Gribaldi Gribaldi ◽  
Nurlaili Nurlaili ◽  
Firnawati Sakalena ◽  
Nurmala Dewi ◽  
Ardi Asroh

This study aims to determine the effect of regulating the provision of nitrogen fertilizer on several rice varieties on the growth and yield of rice in ratoon system at the Tidal swampland. A split plot design was employed in this experiment. The main plot was nitrogen fertilizer application (N) consisting of N1, N2, N3, and N4. The subplot is rice varieties (V) consisting of Inpari 30 (V1), Inpara 3 (V2), Inpari 33 (V3), Inpari 43 (V4) and Hipa 5 Ceva (V5). The results showed that ½ dose nitrogen fertilization given at planting + ½ dose at primordia had a good effect on the growth and yield of the main crop, whereas 1/3 dose nitrogen fertilization given at planting + 1/3 dose at primordia + 1/3 dose at harvest tends to have a good effect on ratoon yield. Variety Hipa 5 Ceva produced highest yield of unhusked rice (i.e. 4.9 tons ha-1 for the main crop and 2.71 tons ha-1 for ratoon) at (N3): 135 kg N ha-1 fertilizer, when ½ dose was given at planting + ½ dose at primordia. The variety Hipa 5 Ceva with various nitrogen fertilization strategies provided the highest total grain yield in the ratoon system at tidal swampland.


2021 ◽  
Vol 22 (2) ◽  
pp. 85
Author(s):  
Sri Minarsih ◽  
Sri Karyaningsih ◽  
Samijan Samijan ◽  
Agus Supriyo ◽  
Yulis Hindarwati ◽  
...  

<p>Rice (<em>Oryza sativa </em>L.) is the most important and strategic food crop in Indonesia, but low productivity in tidal paddy fields is a serious problem that must be overcome. The application of ameliorant would be worthy to increase the growth and yield of rice in tidal paddy fields. The study aimed to investigate the effect of ameliorant application on growth and yield of rice varieties in tidal paddy fields. The study was arranged in a split plot design with five replications. Rice varieties tested were Inpari 34, Dendang, Inpara 9, Inpari 35, and Ciherang as the main plot, and ameliorant types studied were humic acid, gypsum, zeolite, and organic fertilizer as the subplot. The results showed that the use of different rice varieties and amelioran types significantly increased the growth and yield of rice. Inpara 9 produced 7.6 t.ha-1 dry milled grain (DMG) or increased by 33.3% compared to Ciherang variety. Humic acid application at 25 kg ha-1 increased grain yield by 21.3% higher than that without ameliorant treatment. The best treatment to increase the growth and yield of rice in tidal paddy field was a combination of humic acid 25 kg.ha-1 and Inpari 34 which produced the DMG of 8.6 t ha-1 or 41% higher compared to Ciherang without ameliorant.</p>


2020 ◽  
Vol 5 (3) ◽  
pp. 41
Author(s):  
Md. Moshiur Rahman ◽  
Eshita Yasmin

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during June to December 2015 with a view to finding out the effect of nitrogen levels on the yield performance of short duration inbred and hybrid transplant rainy season rice varieties. Four short duration rice varieties (three inbred viz. BINA dhan7, BRRI dhan39, BRRI dhan56 and one hybrid Dhanigold), and 5 levels of nitrogen viz. 0, 40, 80, 120 and 160 kg N ha-1 were included in the experiment under a split–plot design with three replications. The result revealed that variety, nitrogen rate and their interactions had significant on grain yield of short duration transplant rainy season rice. Hybrid variety Dhanigold gave the highest yield (5.13 t ha-1) followed by BRRI dhan56 (4.80 t ha-1) while the lowest was produced by Binadhan-7 (4.28 t ha-1). The highest yield (5.93 t ha-1) was obtained from Dhanigold with 120 kg N ha-1 which was followed by BRRI dhan56 at 120 kg N ha-1 (5.42 t ha-1). The highest yield was attributed to the increased production of effective tiller and grains panicle-1. The optimum dose of nitrogen estimated for Binadhan-7, BRRI dhan39, BRRI dhan56 and Dhanigold are 131.31, 122.97, 126.50 and 133.14 kg ha-1, respectively. Thus, this study concludes that the highest yield of short duration rice varieties Binadhan-7, BRRI dhan39, BRRI dhan56 and Dhanigold could be obtained by applying nitrogen at 131.31, 122.97, 126.50 and 133.14 kg ha-1, respectively.


Food Research ◽  
2021 ◽  
Vol 5 (4) ◽  
pp. 173-178
Author(s):  
H. Helmi ◽  
A.A. Munawar ◽  
B. Bakhtiar ◽  
Z. Zulfahmi

This research was aimed to determine the effect of tillage and varieties on rice growth and yield. This research used a Split Plot Design (SPD) where the land was cultivated (T) as the main plot and rice varieties as subplots (V) repeated three times. The main factors as the main plot consist of three levels, namely: without soil tillage (T0), minimum soil tillage (T1), and perfect soil tillage (T2). The second factor is 5 level varieties, namely: Tinggong (V1), Ciherang (V2), Cibogo (V3), Inpari-13 (V4), and Situ Bagendit (V5). Data were also projected onto principal component analysis (PCA) to observe differences and affected factors related to the soil tillage system. The results showed that the system of tillage had a very significant effect on the yield per hectare. There was no significant difference in yield between the minimum tillage and the perfect tillage. Variety had a very significant effect on plant height at eight weeks after planting (WAP), the number of tillers at 8 WAP, panicle length per clump, the amount of grains, percentage of full grain per clump, percentage of empty grain per hill, the weight of grain per panicle, weight 1,000 grain and yield per hectare. The Cibogo variety gave the highest yield, namely 4.86 ton/ha. Based on PCA analysis, plant height, the total amount of grain, and filled grain are highly affected by the soil tillage system.


Jurnal Solum ◽  
2009 ◽  
Vol 6 (1) ◽  
pp. 1
Author(s):  
Ruhaimah Ruhaimah ◽  
Asmar Asmar ◽  
Mimien Harianti

Fe toxicity on recent ricefield has been common problem in ricefield management to increase rice productivity. Adding organic matter like humic acid from any source (such as hay residue compost) and water management (intermitten flooding and continue flooding) can reduce Fe toxicity and it will be able to increase rice yield in one plant season.  But how about in second plant season, this research will found effect of adding humic acid from hay compost residue and water management. The objective of this research was to study the interaction of hay compost humic acid residue effect and water management  on Fe abundant and nutrient uptake and rice yield in recent ricefield.  This research has done by split-split plot design 2 x 4. The main plot which was treatment of water management were permanent flooding and intermitten (P1 and P2). And the  split plot which was  humic acid treatments were Ao = 0 ppm (0 Kg humic acid /Acre), A1= 200 ppm (400 Kg humic acid/A), A2= 400 ppm (800 Kg humic acid/A), A3 = 600 ppm (1200 Kg humic acid /A). Data analysed by statistical methode, if the treatments were significant to be continued by Duncan 05 % analysis.  The result has obtained of this research which was Eh value of soil in flooding and intermitten was decrease in every week because treatment of humic acid in first season. The content of Fe2+ in soil was increase in every week until the 8th week. Value of soil pH until 8th week flooding was increase, and caused P available and P potencial were increase too. Plant growth and yield of rice in second season not better than first season, and for intermitten flooding caused better plant growth and yield of rice.    Keyword :  Fe Toxicity, Humic Acid, water management, Recent Ricefield


2017 ◽  
Vol 14 (2) ◽  
pp. 77-85
Author(s):  
Md Sohel Mahmud ◽  
Md Jafar Ullah ◽  
Md Abdullahil Baque ◽  
Lutfun Naher ◽  
Sayed Mohammad Mohsin

The experiment was conducted to determine the effect of irrigations and sowing dates on growth and yield performance of wheat in the experimental field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period of November 18, 2012 to March 30, 2013. The experiment was comprised of two factors, viz. factor A: two irrigations namely irrigation (I) and no irrigation i.e. control (I0), and factor B: three sowing dates such as S1: 1st sowing on 18 November, S2: 2nd sowing on 03 December and S3: 3rd sowing on 18 December. The experiment was laid out in a split plot design with three replications. Irrigation was assigned in the main plot, while sowing time was in the sub-plots. Data on grain yield and different yield contributing characters were taken after harvest. Results indicated that the highest grain yield was obtained with I (2.915 t ha-1) and S1 (2.983 t ha-1). The interaction of irrigation (I) and sowing on 18 November (S1) showed the maximum yield (3.387t ha-1), spike length (17.08 cm), 1000 grain weight (43.4 g), spikelets spike-1 (20.03) and grain spike-1 (65.58) of wheat.The Agriculturists 2016; 14(2) 77-85


2020 ◽  
Vol 11 (6) ◽  
pp. 585-589
Author(s):  
Imnatemjen Aier ◽  
◽  
D. Nongmaithem ◽  

A field experiment was conducted in the Experimental Research Farm of School of Agricultural Sciences and Rural Development (SASRD), Nagaland University during the kharif season 2018. Groundnut variety ICGS-76 was sown @ 70 kg ha-1 for 60×20 cm2 spacing. The experiment was laid in split plot design with three replications. The main plot treatments consisted of two lime levels: lime @ 0 t ha-1 and lime @ 3 t ha-1 while the sub- plot treatments consisted of five sulphur levels: sulphur @ (0 kg ha-1, 10 kg ha-1, 20 kg ha-1, 30 kg ha-1 and 40 kg ha-1 along with recommended dose of fertilizer at 20:60:40 kg N, P2O5 and K2O ha-1 respectively in the form of diammonium phosphate and murate of potash. The results showed that application of lime @ 3 t ha-1 gave higher growth and yield attributes compared to no lime and also application of sulphur @ 40 kg ha-1 gave higher growth and yield attributes compared to lower doses of sulphur though there was only slight increase in the attributes between each successive doses of sulphur. Overall application of lime and sulphur increased all the yield attributes of groundnut, where the highest number of pods plant-1, seeds pod-1, 100 kernels weight, pod yield, kernel yield and stover yield were recorded when treatment was done with lime @ 3 t ha1 and sulphur @ 40 kg ha-1.


Author(s):  
Bidisha Borah ◽  
Kalyan Pathak

An investigation was carried out to determine an optimum micro-climate regimes for different promising varieties of rice for realizing higher yields under aerobic conditions. A field experiment was conducted in the Instructional Cum Research (ICR) Farm of Assam Agricultural University, Jorhat, Assam during autumn season of 2017. The experiment was laid out in a split-plot design with three replications. The treatments consisted of four micro-climatic regimes (M) in main plot viz., sowing of seed on 15th February (M1), 1st March (M2), 16th March (M3) and 1st April (M4) along with four different rice varieties (V) viz., CR-Dhan 205 (V1), CR-Dhan 203 (V2), CR-Dhan 204 (V3) and Inglongkiri (V4) in sub plot. The results of the experiment revealed that among the different micro-climatic regimes, the micro-climate associated with 1st April recorded positive effect on micro-climate related and yield parameters in terms of canopy temperature, light intensity, soil moister content, soil temperature, dry matter accumulation, leaf area index, number of effective tillers and grain yield (3004 kg/ha), followed by the micro-climate associated with 16th March sown crop. Among the varieties evaluated, CR-Dhan 203 recorded the highest value in terms of number of effective tillers (187/m2) followed by Inglongkiri, CR-Dhan 204 and CR-Dhan 205. The highest grain yield of 2860 kg/ha recorded in rice variety CR-Dhan 203 was significantly superior to that of other varieties except Inglongkiri. In terms of economics, the crop sown on 1st April recorded the highest net return (INR 51755 /ha) and B:C ratio (2.30) which was found to be the greatest.


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