scholarly journals Effects of Interaction between New Rice Varieties and Plant Spacing to Productivity of Rice

2016 ◽  
Vol 24 (2) ◽  
pp. 245
Author(s):  
Ikhwani -
Keyword(s):  
Rice Variety ◽  
Growth Characteristic ◽  
The Other ◽  
Medium Size ◽  
Plant Spacing ◽  
Rice Varieties ◽  
Rice Productivity ◽  
Central Java ◽  
Rice Yields ◽  
Equal Spacing

The most effective method to increase rice productivity in one location is to adapt the best combination between the high yielding rice variety and the optimum plant spacing. The objectives of this experiment to observe plant growth characteristic of each high yielding rice variety under each plant spacing to increase rice productivity. Field experiment was conducted at Toroh Regency, Grobogan District, Central Java during 2014 dry season. Treatments were arranged according to a split plot design, with three replications. The main plots (Plant spacings), namely T1- Equal spacing/Tegel 25 cm x 25 cm; T2- Legowo 2:1 (25---50) cm x 12,5 cm; T3- legowo 4:1 empty (25 – 50) cm x 12,5 cm dan T4- legowo 4:1 full (25 – 50) cm x 12,5 cm. The sub plots (variety): Ciherang, Inpari 10, Inpari 15 and Inpari 16.<br />The yields of the rice varieties in this experiment are highly significantly different. It was found one introduced variety produced higher yield than Ciherang, namely Inpari 16 (5.93 + 0.43 ton 14% dry grain/ha). The two other introduced varieties (Inpari 10 and Inpari 15), produced 5.03 + 0.19 and 5.00 + 0.22 ton 14% dry grain/ha, the same or slightly lower than Ciherang. The highest yield occurred when Inpari 16 planted using Legowo 4 : 1 empty, namely 6.57 ton 14% dry grain/ha, consistently produces higher yield than the other varieties do at each plant spacing treatment. Rice yields of Ciherang were relatively more stable under different plant spacings compared with the other varieties. Inpari 10 at harvest stage having 19 tillers per hill under equal spacing 25 cm x 25 cm, decreased to 12 tillers per hill under Legowo 4 : 1 full. Ciherang with the medium size of grains have 1000 grain weight of 23.9 gram, and Inpari 10 25.3 gram. Based on the results of this experiment it is concluded that Inpari 16 planted under Jajar Legowo 4 : 1 empty (25 – 50) cm x 12.5 cm is the best. However, it is suggested to be evaluated acceptability by the local farmers.

scholarly journals Environment Friendly Technologies for Increasing Rice Productivity

2009 ◽  
Vol 9 ◽  
pp. 34-40 ◽  
Author(s):  
Bhola Man Singh Basnet
Keyword(s):  
Public Awareness ◽  
System Of Rice Intensification ◽  
Rice Varieties ◽  
Environment Friendly ◽  
Rice Productivity ◽  
Drought Tolerant ◽  
Agriculture And Environment ◽  
Rice Intensification ◽  
Rice Yields ◽  
Direct Seeded

Rice is one of the most important cereal crops in Nepal. As per the preliminary estimate of f.y.2007/08, the rice crop was grown in 1.55 million hectare producing 4.3 million mt and the productivity was 2.775 t/ha. It contributes nearly 20% to Agricultural Gross Domestic Product and provides more than 50% of the total calories required to the Nepalese people. The UNO also declared 2004, as the "International Year of Rice" with the theme "Rice is Life". There are less possibilities of bringing more lands into production. Therefore, we have to increase the productivity per hectare per day by any means .The promising technologies generated by agriculture research play the pivotal role for increasing rice productivity. Nepal so far has released fifty-six (56) rice varieties with full package of practices within the span of forty-one (41) years. The modern varieties can express their yield potentiality only when recommended packages are practiced. Quality seeds alone can contribute 15-20% yield. Early paddy and Boro (winter) rice can be used for increasing rice yields by utilizing higher intensity of solar radiation. The system of rice intensification (SRI) is the other agronomic manipulation, which can increase rice yield. Resource conservation technologies (RCTs) like dry seed-bed practice, direct seeded rice, zero-till, drought tolerant varieties, use of renewable energy and creating public awareness are to be followed so as to produce rice on environmeny-friendly ways. However, we should not forget the environment-friendly and sustainability issues while increasing the productivity and production. It is said "Grow Paddy with Soil Fertility, Wheat with Fertilizers", and "Healthy Seedlings are responsible at least for half of the yield" also. Worldwide food crisis and skyrocketed prices are the problems caused by climate change too.  Key words: Environment-friendly, rice production, technology, integrated crop managementThe Journal of Agriculture and Environment Vol:.9, Jun.2008  page: 34-40

scholarly journals Differential Expression Proteins Contribute to Race-Specific Resistant Ability in Rice (Oryza sativa L.)

Plants ◽  
2019 ◽  
Vol 8 (2) ◽  
pp. 29 ◽  
Author(s):  
Shiwei Ma ◽  
Shoukai Lin ◽  
Menglin Wang ◽  
Yang Zou ◽  
Huan Tao ◽  
...  
Keyword(s):  
Magnaporthe Grisea ◽  
Oryza Sativa L ◽  
Rice Variety ◽  
Differentially Expressed Proteins ◽  
Near Isogenic Lines ◽  
Rice Varieties ◽  
Global Food Security ◽  
Rice Yields ◽  
And Function ◽  
Global Food

Rice blast, caused by the fungus, Magnaporthe grisea (M. grisea), lead to the decrease of rice yields widely and destructively, threatening global food security. Although many resistant genes had been isolated and identified in various rice varieties, it is still not enough to clearly understand the mechanism of race-specific resistant ability in rice, especially on the protein level. In this research, proteomic methods were employed to analyze the differentially expressed proteins (DEPs) in susceptible rice variety CO39 and its two near isogenic lines (NILs), CN-4a and CN-4b, in response to the infection of two isolates with different pathogenicity, GUY11 and 81278ZB15. A total of 50 DEPs with more than 1.5-fold reproducible change were identified. At 24 and 48 hpi of GUY11, 32 and 16 proteins in CN-4b were up-regulated, among which 16 and five were paralleled with the expression of their corresponding RNAs. Moreover, 13 of 50 DEPs were reported to be induced by M. grisea in previous publications. Considering the phenotypes of the three tested rice varieties, we found that 21 and 23 up-regulated proteins were responsible for the rice resistant ability to the two different blast isolates, 81278ZB15 and GUY11, respectively. Two distinct branches corresponding to GUY11 and 81278ZB15 were observed in the expression and function of the module cluster of DEPs, illuminating that the DEPs could be responsible for race-specific resistant ability in rice. In other words, DEPs in rice are involved in different patterns and functional modules’ response to different pathogenic race infection, inducing race-specific resistant ability in rice.

scholarly journals Planting Time and Fertilizer Validation Based on Banyudono Planting Calendar in Boyolali Regency

Agromet ◽  
2021 ◽  
Vol 35 (1) ◽  
pp. 20-29
Author(s):  
Meinarti Norma Setiapermas ◽  
Ridha Nurlaily
Keyword(s):  
Rice Variety ◽  
Planting Date ◽  
End User ◽  
Potential Yield ◽  
Rice Varieties ◽  
Planting Pattern ◽  
Planting Time ◽  
Rice Productivity ◽  
Field Activity ◽  
Phase Water

Nowadays, information technology on planting calendar and fertilizer dosage remains research challenges, in Indonesia, especially for end user farmers. Integration of the planting calendar (then called as KATAM – ‘Kalender Tanam’), has raised many benefits for users since it provides the basic recommendations for seed and fertilizer needs. This research aims to validate the benefit of using Integrated KATAM as guidance for rice planting and fertilizing in Bangak Village, Banyudono Sub-district, with an area of around 6,100 m2. Two different approaches was performed: (i) interviewing farmers about planting date, variety, growth phase, water resource, and their technology to anticipate climate change, and (ii) calculating the rice productivity under different planting date, planting pattern, fertilizer dosage, and variety. Two treatments were used simultaneously on the field within the same planting calendar based on KATAM. The first treatment was a combination of planting date and fertilizer dosage for Situ Bagendit variety, while the second was two fertilizer dosages applied on two rice varieties (Ciherang and Situ Bagendit).  Field activity was held on May-August and June-September 2016. The results found that around 60% of the farmers in Banyudono Sub-district did not applied the integrated KATAM recommendation on planting time. During a year of validation period (2016), 80% of the farmers applied the rice-rice-rice pattern, and the remaining applied rice-rice-palawija. Our findings revealed that most farmers preferred to use Situ Bagendit variety as its higher tolerance to drought and higher potential yield. By applying KATAM recommendation, Situ Bagendit rice variety gave the highest productivity up to 8.89 ton/ha compared to other rice varieties. Further the research highlights the use of KATAM recommendation may increase rice productivity especially when Situ Bagendit is applied.

Emisi Gas Rumah Kaca dan Hasil Gabah dari Tiga Varietas Padi pada Lahan Sawah Tadah Hujan Bersurjan

2014 ◽  
Vol 33 (2) ◽  
pp. 116 ◽  
Author(s):  
Mulyadi Mulyadi ◽  
A. Wihardjaka
Keyword(s):  
Grain Yield ◽  
Rice Field ◽  
Block Design ◽  
Rice Variety ◽  
Cattle Manure ◽  
Rice Varieties ◽  
Central Java ◽  
Rainfed Rice ◽  
Randomized Block Design ◽  
Bed Position

The alternating dry and flooded bedding system (Surjan) optimizes land availability, by integrating food crop culture in the lower bed and annual crops in the upper bed position, of the rainfed rice field. Rainfed rice productivity is generally low, to increase its productivity rice culture should integrate the management of crop, water and nutrients. Rice field is regarded as greenhouse gas sources, especially methane (CH4) and carbon dioxide (CO2). Field experiment was conducted in the rainfed rice field in Pati, Central Java, to determine GHGs emission and grain yield from three rice varieties, applied with cattle manure, planted in the rainfed rice field, using alternating beds system. The experiment was arranged in a randomized block design with three replicates and six treatments of the combination of cattle manure application and rice varieties. The rates of cattle manure were 5 and 30 t/ha, while rice varieties were Inpari 1, Inpari 6, Ciherang. Data observed included grain yield, soil pH, fluxes of CO2 and CH4. Combination of Inpari 6 with 5 t/ha cattle manure emitted GHGs higher than combination of Inpari 6 with 30 t/ha cattle manure, while GHGs emission from combination of Ciherang with 5 t/ha cattle manure was lower than combination of Ciherang with 30 t/ha cattle manure. Variety Inpari 1 emitted the lowest GHGs, both from the combination of 5 t/ha and of 30 t/ha. The average grain yield of Inpari 1, Inpari 6, and Ciherang in the rainfed lowland rice each was 6.27, 6.01, and 5.70 t/ha, respectively. The GHGs releases from the rice variety roots depend on the availability of organic matter in the soil that is used as energy source for GHGs forming microbes.

scholarly journals KERAGAAN MORFOLOGI DAN HASIL VARIETAS UNGGUL BARU PADI DENGAN PENGELOLAAN TANAMAN TERPADU DILAHAN SAWAH TADAH HUJAN KABUPATEN JEPARA

2020 ◽  
Vol 22 (1) ◽  
pp. 119
Author(s):  
Budi Winarto ◽  
Sodiq Jauhari
Keyword(s):  
Plant Height ◽  
Rice Variety ◽  
Crop Management ◽  
Rice Production ◽  
Yield Potential ◽  
Rice Grain ◽  
Rice Varieties ◽  
Rice Productivity ◽  
Integrated Crop Management ◽  
Significant Difference

<p><strong>Morphology Performances and Yield of New Superior</strong><strong> Rice Variety with Integrated Crop Management in Rainfedland Jepara District</strong>. One constraint for increasing rice production in rainfedland Jepara District is the availability of adaptive improved rice varieties with high yield. The purpose of this assessment are: (1) to analyze the morphological performance and yield potential of some new superior varieties in rainfedland Jepara District (2) to assess the level of main rice pest and diseases attack and the presence of natural pest’s enemies, and (3) to assess the responses and perceptions of farmers towards integrated crop management applications in rice production. The assessment was conducted in ranfedland Mayong Kidul Village, Mayong Sub-district, Jepara District by involving Lestari Farmer’s Group on the second planting season of 2015. The assessment also employed A Randomized Block Design with three replications and rice variety as treament: Inpari-30, Inpari-31, Inpari-10, Conde, mekongga and varietas Ciherang as the control variety.  The collected data of morphology and rice yield were analyzed using analysis of variance,  then the mean difference values between treatments was further tested using the least significant difference test at p = 0.05. The results showed that there were influences of rice varieties on plant height, number of tillers, pests and diseaces as well as yield and yield component of the five rice varieties. The Mekongga variety is the most suitable rice variety that could be used in rainfedland in order to improve rice productivity in rainfedland of Jepara District. This variety could produce dry rice grain up to 6.8 tons/ha, with 105.5 cm plant height, 14.1 productive tillers, 23.7 cm panicle length 566 and 176 number of filled and empty grains 5 panicles respectively, 4.5 pest and diceases attack level, and is able to increase grain yield up to 30.7% compared to that of control variety. Respondent farmers have a positive perception to the concept of integrated crop management with a value of 68.3%. The implication of these results is that the utilization of new superior rice varieties especially Mekongga have a high potential for improving rice productivity in rainfedland of Jepara District. <em></em></p><p> <strong>Keywords</strong>: <em>New Superior Rice Varieties,</em><em> rainfedland, ICM, Jepara</em></p><p align="center"><strong> </strong></p><p align="center"><strong>ABSTRAK</strong></p><p align="center"><strong> </strong></p><p>Keragaan Morfologi dan Hasil Varietas Unggul Baru Padi dengan Pengelolaan Tanaman Terpadu di Kabupaten Jepara.  Salah satu kendala peningkatan produktivitas padi di lahan sawah tadah hujan Kabupaten Jepara adalah ketersediaan varietas unggul yang adaptif dengan produktivitas tinggi. Tujuan pengkajian ini adalah (1) mengkaji keragaan morfologi dan potensi hasil beberapa VUB padi di lahan sawah tadah hujan (2) mengkaji tingkat serangan hama dan penyakit utama padi serta keberadaan musuh alami hama, dan (3) mengkaji respon dan persepsi petani terhadap penerapan PTT padi. Pengkajian dilakukan di lahan sawah tadah hujan Desa Mayong Kidul Kecamatan Mayong Kabupaten Jepara, Kelompok Tani Lestari pada musim tanam ke-2 tahun 2015<em>. </em>Pengkajian ini menggunakan Rancangan Acak Kelompok dengan tiga ulangan dan sebagai perlakuan adalah varietas padi: Inpari-30, Inpari-31, Inpari-10, Conde dan mekongga serta varietas Ciherang sebagai pembanding. Data yang terkumpul dianalisis menggunakan analisis varian (anova), selanjutnya perbedaan nilai tengah antar perlakuan diuji lanjut menggunakan uji beda nyata terkecil (BNT) pada p=0.05. Hasil pengkajian menunjukkan bahwa terdapat pengaruh nyata varietas padi terhadap tinggi tanaman, jumlah anakan, perkembangan OPT, hasil dan komponen hasil gabah dari kelima varietas tanaman padi yang diuji. Varietas Mekongga merupakan VUB padi yang paling sesuai ditanam di lokasi pengkajian dalam rangka meningkatkan produktivitas padi. Varietas ini menghasilkan gabah kering giling hingga 6.8 ton/ha, tinggi tanaman 105.5 cm, jumlah anakan produktif 14.1, panjang malai  23.7 cm, jumlah gabah bernas 566 butir  per 5 malai, jumlah gabah hampa 176 gabah hampa per 5 malai dan tingkat serangan OPT 4,5%, serta  mampu meningkatkan hasil gabah hingga 30.7% dibanding kontrol. Petani juga memiliki persepsi positif terhadap konsep PTT dengan nilai mencapai 68.3%. Implikasi hasil kajian ini adalah pemanfaatan VUB padi terutama Mekongga memiliki potensi tinggi dalam meningkatkan produktivitas padi di lahan sawah tadah hujan Kabupaten Jepara.</p><p><strong> </strong><strong>Kata kunci</strong>: <em>VUB padi, tadah hujan, PTT, Jepara</em></p><p> </p>

scholarly journals Dosis Pupuk dan Jarak Tanam Optimal Varietas Unggul Baru Padi

2014 ◽  
Vol 33 (3) ◽  
pp. 188
Author(s):  
Ikhwani Ikhwani
Keyword(s):  
Organic Fertilizer ◽  
Spacing Effect ◽  
Flower Initiation ◽  
Plant Spacing ◽  
Rice Varieties ◽  
Initiation Stage ◽  
Effect On Yield ◽  
Planting Method ◽  
Fertilizer Rates ◽  
Equal Spacing

Yield performance of rice varieties could be increased by optimizing plant spacing and fertilizer rate. The experiment was aimed to study the response of new rice varieties to fertilizer rates and plant spacing in two seasons (April 2012-April 2013) at farmer’s field, in Cianjur district, West Java. The experiment was arranged in a split-split plot design with 3 replications. The main plots were fertilizer rates: P1 was the present local recommendation (Urea = 100 kg/ha, Phonska= 300 kg/ha; organic fertilizer = 500 kg/ha), applied at 14 days after transplanting. P2 was the proposed recommended rate, based on SIPAPUKDI, Urea = 320 kg/ha, SP36 = 70 kg/ha, KCl = 130 kg/ha, applied at 7 dat, 21 dat and 42 dat (before flower initiation stage). Sub plots were plant spacing; T1 was local practice (equal spacing of 25 cm x 25 cm) and T2 was paired-rows Legowo 2:1 (25 cm-50 cm x 12.5 cm); Sub-sub plots were rice varieties, V1 was the best site variety (Mekongga), V2 was Inpari 14, V3 was Inpari 17 and V4 was Inpari 6. The sub-sub plot size was 8 m x 5 m, with the total of 48 plots per replication. The highest grain yields in the first planting season was 8.68 t dry grains/ha, produced by Inpari 17 planted with pairedrows legowo 2:1, followed by Mekongga (8.22 t dry grains/ha) with the same planting method. In the second season Mekongga variety produced 8.10 t dry grains/ha followed by Inpari 14 (8.08 t dry grains/ha) applied with the local recommended rate of fertilizer.There was no plant spacing effect on yield in the second season.

scholarly journals Nutrient and Anti-Nutrient Composition of Four Rice Varieties in Port Harcourt Metropolis

2021 ◽  
pp. 90-100
Author(s):  
Gabriel O. Wordu ◽  
Achese Catherine Orisa ◽  
Mercy Ameka Hamilton China
Keyword(s):  
Rice Variety ◽  
Nutrient Content ◽  
Magnesium Content ◽  
The Other ◽  
Crude Fibre ◽  
Rice Varieties ◽  
Nutrient Analysis ◽  
Other Hand ◽  
Saponin Content ◽  
Port Harcourt

This study evaluated the nutrient and anti-nutrient content of four rice varieties in Port Harcourt metropolis. Four rice varieties (Tomato gold TG, Mama’s pride MP, Ultimate gold UG and daily choice DC) were used in this study. The rice varieties were purchased, milled into fine flour and evaluated for proximate, mineral and anti-nutrient analysis using standard methods. Proximate composition of the rice varieties revealed that moisture content ranged from 11.51-12.80%, ash (0.45-0.60%), fat (0.39-1.39%), crude protein (5.73-6.07%), crude fibre (0.90-6.85%) and carbohydrate (73.67-80.09%). Mama’s pride rice variety contained higher ash and fat contents while Tomatoes gold had significantly higher crude fibre. On the other hand, ultimate gold rice variety contained higher protein and carbohydrate; however, ash, protein and moisture contents did not vary significantly (p>0.05) between the rice varieties. Mineral composition of the rice varieties also showed that magnesium content ranged from 6.28-9.63 mg/100 g, calcium (3.74-8.23mg/100g) and iron (1.50-5.48mg/100g). The concentration of these mineral elements was found to be superior in ultimate gold rice variety. Phenol content of the rice varieties ranged from 9.92-14.58mg/100g, phytate (1.22-1.53g/kg), saponin (5.86-6.37%), tannin (47.03-66.89 mg/100 g) and flavonoid (2.29-2.80%). Ultimate gold rice variety also contained higher concentrations of phenol and tannins while saponin content was higher in daily choice rice variety. Phytate content on the other hand did not vary significantly (p>0.05) between the rice varieties. The result therefore revealed that ultimate gold rice variety contained a considerable amount of nutrients and should be highly recommended to consumers for derivation of the above-mentioned nutrients.

scholarly journals Impact of Improved Rice Variety on Productivity Among Smallholder Farmers in Ghana

2017 ◽  
Vol 5 (2) ◽  
pp. 164
Author(s):  
Edward Tsinigo ◽  
Kwasi Ohene-Yankyerah ◽  
Simon Cudjoe Fialor
Keyword(s):  
Smallholder Farmers ◽  
Rice Variety ◽  
Neutral Type ◽  
Rice Varieties ◽  
Agricultural Technologies ◽  
Rice Productivity ◽  
Rice Farmers ◽  
Main Determinants ◽  
The Impact ◽  
Structured Questionnaire

Advancement in agricultural technologies is seen to result in the shift in production functions. The study was conducted to establish the impact of the improved rice variety on productivity in the Ejura-Sekyedumase and Atebubu-Amantin Municipalities of Ghana. The study was based on the survey of 208 rice farmers using a three-stage stratified sampling method. The study used a structured questionnaire to collect input-output data from the rice farmers. Data were analysed using the Cobb-Douglas production function. The study found that the technical change associated with the introduction of the improved rice variety was of the non-neutral type. Further, the adoption of the improved rice variety has increased rice productivity by about 46% for the adopters. The main determinants of productivity for the adopters were seed, land, fertiliser, herbicide, and education. Productivity among the non-adopters was positively influenced by seed, land, herbicide, and fertiliser. The study concluded that the improved rice variety has superior yield advantage. The study recommends for the simultaneous promotion of improved rice varieties and their recommended inputs to increase rice productivity.

Adaptability Trial of Hybrid and Inbred Rice Varieties under Corona Clayloam Condition

2012 ◽  
Vol 1 (1) ◽  
Author(s):  
Maria P. Lasim ◽  
Virginia P. Oanzon ◽  
Minerva J. Hubilla ◽  
Magdalena M. Ocbian ◽  
Miguel G. Guarin ◽  
...  
Keyword(s):  
Hybrid Rice ◽  
Rice Variety ◽  
The Other ◽  
Rice Cultivars ◽  
Clay Loam ◽  
Wet Season ◽  
Rice Varieties ◽  
State College ◽  
Morphologic Characteristics ◽  
Hybrid Variety

This study was done in one of the ricefields of Sorsogon State College Castilla Campus at Mayon, Castilla, and Sorsogon to determine the best rice varieties adaptable in a location specific lowland ricefield specifically under Corona clay loam condition. This experiment also evaluated and characterized the agronomic or morphologic traits of rice cultivars in farmers’ field and identified the most productive and promising rice cultivars. Results of morphologic characteristics of the five varieties tested showed that for plant height NSIC Rc 222 was the tallest for wet season (WS) and NSIC Rc 212 and NSIC Rc 214 for dry season (DS). PhB71 performed just as well as NSIC Rc 214. Same variety got the highest productive tillers in both seasons and differed significantly over the four inbred varieties. NSIC Rc 222 exhibited the highest number of filled grains per panicle. This is significantly different from the other varieties. Only NSIC RC 214 gave a significantly higher weight for 1,000 grains per replication than the other varieties for both seasons. PhB 71 had the highest yield performance during the wet season and is significantly different with the other inbred varieties. It is concluded that the hybrid (PhB 71) and the inbred rice variety NSIC Rc214 were adaptable under corona clayloam condition in both seasons. Among the inbred rice varietiestested, NSIC Rc214 was found to be the most productive and promising variety in terms of yield. The hybrid variety (PhB71) is more productive than any of the inbred varieties under this present study.   Keywords - hybrid rice varieties, inbred rice, corona clayloan

scholarly journals Effect of harvest time of paddy on milled rice yield and broken kernels

2019 ◽  
Vol 11 (4) ◽  
pp. 327-331
Author(s):  
V. N. Markova Ruzdik Ilieva ◽  
N. Markova Ruzdik ◽  
D. Vulcheva ◽  
Lj. Mihajlov ◽  
M. Ilievski
Keyword(s):  
Moisture Content ◽  
Rice Yield ◽  
Rice Variety ◽  
Maximum Yield ◽  
Harvest Time ◽  
Milled Rice ◽  
Rice Varieties ◽  
Yield And Quality ◽  
Rice Yields

Abstract. The aim of this study was to determine the optimal harvest time to achieve maximum milled rice yield and quality of white rice in some newly introduced Italian rice varieties grown under agro-ecological conditions in the region of Kocani town, Republic of North Macedonia. During the 2014 and 2015, fourteen rice varieties were cultivated to estimate the milled rice yield and broken kernels from three different harvest times. From each rice variety, samples with moisture content between 20-22% (I variant), 18-20% (II variant) and 16-18% (III variant) were taken. From the third harvest variant the highest percentage of milled rice yield (65.23%) was obtained but also the highest rate of broken kernels (12.79%). From the remaining two harvests, almost identical milled rice yields were received (64.19% from the first variant and 64.33% from the second variant), but in terms of broken kernels, there were significant differences. The optimum moisture content during the harvest in order to obtain maximum yield and quality of milled rice ranged from 18% to 20%. The varieties Arsenal, Sprint and Mirko had the most favorable values for milled rice yield and broken kernels.

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