scholarly journals Combination of NPK fertilizer with bokashi rice straw on growth and yield of Cisantana rice varieties

2021 ◽  
Vol 2 (1) ◽  
pp. 43-49
Author(s):  
Akram Boga ◽  
Herwin Yatim
Keyword(s):  
Plant Growth ◽  
Rice Straw ◽  
Dry Weight ◽  
Rice Paddy ◽  
Growth And Yield ◽  
Rice Varieties ◽  
Noticeable Effect ◽  
Factor B ◽  
Randomized Design ◽  
Npk Fertilizer

One of the cultivation technologies that need to be considered in increasing rice production is the proper use of fertilizer. This study is to find out the substitution of NPK fertilizer with rice straw bokashi to the growth and yield of rice paddy plants cisantana varieties. This research was conducted from August to November 2020 in Samaku Village, Bualemo District, Banggai Regency. The method used is a RandomIzed Design Group (RAK) factorial pattern consisting of 2 factors, namely factor A (NPK fertilizer) and factor B (Straw Bokashi). The combination of NPK fertilizer and rice straw bokashi has no natural effect on rice paddy plants of Cisantana varieties. Still, it has a natural impact on grain dry weight per plot. The treatment of rice straw bokashi independently has a noticeable effect on the height of the plant, the number of saples, the number of productive saples and the length of the panic. The bokashi straw rice dose of 75% (3.75 tons/ha) is the best dose for high plant growth, number of saples, number of productive saples and malai length. While the dose of 75% NPK (187.5 kg/ha) + 75% bokashi rice straw (3.75 tons/ha) is the best combination dose for varied dry weight of grain per plot.

scholarly journals RESPON PERTUMBUHAN DAN PRODUKSI PADI (Oryza sativa L.) VARIETAS SULUTTAN UNSRAT 1 DENGAN METODE SRI TERHADAP PEMBERIAN PUPUK ANORGANIK DAN PUPUK HAYATI

EUGENIA ◽  
2019 ◽  
Vol 22 (3) ◽  
Author(s):  
Leonardie W. Ratela ◽  
J. Sh. Polii-Mandang ◽  
J. M. Paulus
Keyword(s):  
Oryza Sativa L ◽  
Rice Paddy ◽  
Inorganic Fertilizer ◽  
Growth And Yield ◽  
System Of Rice Intensification ◽  
Rice Varieties ◽  
Randomized Design ◽  
Rice Intensification ◽  
Npk Fertilizer ◽  
Average Plant

ABSTRACT This research aims tostudythe response of growth and yield of paddy rice to the combination of inorganic fertilizer and biological fertilizers. The design of experiments used in this study is a single factor in a completely randomized design (CRD), which consists of 5 treatments and repeated 5 times with the treatment as follows: P0 = 100% NPK (control) P1 = 100% NPK + 100% Biofertilizer Petrobio, P2 = 75% + 25% NPK Fertilizer Biological Petrobio, P3 = 50% + 50% NPK Fertilizer Biological Petrobio, P4 = 25% + 75% NPK Fertilizer Biological Petrobio. Giving Phonska inorganic fertilizer mixed with the biological fertilizer petrobio influence on the growth and yield of rice varieties Suluttan Unsrat I. Treatment NPK fertilizer Phonska 75% and 25% of biological fertilizers petrobio produce an average plant height is 98.40 cm high, 24.40 cm panicle length , Total grain permalai 167 grains, grain pithy permalai Total 155.20 grains and weight of 1000 grains contain.Key words: rice paddy fields, of SRI (System of Rice Intensification), inorganic fertilizers, biofertilizers

scholarly journals Effect of Silicate Fertilizer on the Growth and Yield of Two Local Indonesian Varieties of Rice (Oryza sativa L.)

2021 ◽  
Author(s):  
D.W. Widjajanto ◽  
Sumarsono . ◽  
Endang Dwi Purbajanti
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Dry Weight ◽  
Growth And Yield ◽  
Rice Varieties ◽  
Growing Period ◽  
Randomized Design ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Beneficial Elements

Background: The beneficial elements availability such as silicon was determined rice growth and yield. Rice requires a different dose of silicon during the growing period. Experiment was aimed to investigate the effect of silicate levels, rice varieties and the interaction of the two on the growth and yields of two local Indonesian varieties of rice. Methods: A completely randomized design of factorial pattern with 4 replications was used in the experiment. Treatments consisted of No added SiO2 (Si-0); added 100 and 200 kg SiO2 ha-1, respectively for Si-100 and Si-200 and two local rice varieties, Pandan wangi (P1) and Mentik susu (P2). Result: The treatment had no significant effect on growth and yield of rice. Addition of 100 and 200 kg SiO2 ha-1 to P1 and P2 did not show a significant difference on the growth and yield of rice compared to control (P0). Plant height and root dry weight at P1 was lower than P2, but the 1,000-grain weight was showed, vice versa. Silicon addition up to 200 kg SiO2 ha-1 may not be recommended to be applied in rice cultivation, especially Pandan wangi and Mentik susu varieties. Improving the two varieties, further research is needed by increasing the silicon doses. 

scholarly journals Investigating the Growth and Yield of Upland Rice Using Application of Trichocompost and NPK Fertilizers at Dry Land

2020 ◽  
pp. 13-19
Author(s):  
. Novriani ◽  
. Gribaldi ◽  
. Nurlaili ◽  
Nurmala Dewi ◽  
Firnawati Sakalena
Keyword(s):  
Soil Fertility ◽  
Rice Straw ◽  
Upland Rice ◽  
Growth And Yield ◽  
Fertility Level ◽  
Land Area ◽  
Npk Fertilizers ◽  
Dry Land ◽  
Randomized Design ◽  
Npk Fertilizer

Upland rice production at South Sumatra is still low compared to national average production level due to low soil fertility. Therefore, effort to increase soil fertility level is needed such as through application of Trichocompost and NPK fertilizers at dry land area. This research objective was to determine the application effect of Trichocompost produced from rice straw and NPK fertilizers on the growth and yield of upland rice crop of henic strain at dry land area. The methods used in this research was a 2 by 3 Factorial in Completely Randomized Design with two treatment factors and three replications for each treatment. Trichocompost fertilizer treatments (T) were consisted of: T0 (without Trichocompost: 0 ton/ha; T1: 10 ton/ha Trichocompost; T2: 20 ton/ha Trichocompost and T3: 30 ton/ha Trichocompost, whereas NPK fertilizer treatments (P) were consisted of: P1: 200 kg NPK/ha; P2: 300 kg NPK/ha and P3: 400 kg NPK/ha. All data from this research was analyzed using Analysis of Variance to determine the given treatment effect by using SPSS 17.0 software.  The results showed that application of Trichocompost produced from rice straw and NPK fertilizers had effect on the growth and yield of upland rice of henic strain at dry land area. Application of Trichocompost fertilizer produced from rice straw at dose of 30 ton/ha and NPK fertilizer at dose of 400 kg/ha tend to produce higher rice yield with magnitude of 4.6 kg/plot than that of other treatments.

scholarly journals Pemberian Berbagai Dosis Bokashi Jerami Padi yang Difermentasikan dengan PGPR Akar Bambu pada Tanaman Kedelai

2019 ◽  
Vol 9 (1) ◽  
pp. 688-698
Author(s):  
Sariyu Erwan ◽  
Nurul Istiqomah ◽  
Mahdiannoor Mahdiannoor
Keyword(s):  
Rice Straw ◽  
Plant Pathogens ◽  
Dry Weight ◽  
Plant Growth Promoting Rhizobacteria ◽  
Organic Fertilizers ◽  
Growth And Yield ◽  
Humid Climate ◽  
Randomized Design ◽  
Plant Growth Promoting ◽  
Soybean Plants

       Soybeans will usually grow well at an altitude of no more than 500 to 600 m above sea level. Thedry climate is preferred by soybean plants compared to the humid climate. Straw is a vegetative part ofrice plants (stems, leaves, pan stalks) that are not collected when the rice plants are harvested. -One ofthe bokashi rice straw organic fertilizers. Bokashi rice straw contains some essential organic elementsneeded by plants. Plant Growth Promoting Rhizobacteria (PGPR), is one of the biological agents that hasbeen widely used and tested to control various plant pathogens, utilizing bamboo roots as decomposersbecause in the bamboo roots there are bacteria Pseudomonas flourescent and Bacillus polymixa whichcan help the fermentation process. The aim of the study (i) was to find out the effect of giving and (ii) toget the best bokashi rice straw dose on the growth and yield of soybean plants. The study was carried outin Pembakulan Village Batang Alai Timur District, Hulu Sungai Tengah Regency from April to August2018. This study used a single factor randomized design (RBD), grouping based on sunlight distribution.The factors examined were 4 bokashi rice straw doses (j) consisting of j1 = 1.3 kg per plot, j2 = 2.6 kgplot, j3 = 3.9 kg per plot and j4 = 5.2 kg per plot plot. Factors observed were plant height, leaf number,flowering age, number of pods, number of seeds, and dry weight of 100 soybeans. The results of the studydid not indicate the effect of bokashi rice straw on soybean plants.

scholarly journals PENGARUH JENIS MULSA DAN DOSIS PUPUK NPK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TERONG HIJAU (Solanum melongena L)

2019 ◽  
Vol 19 (2) ◽  
pp. 142
Author(s):  
Ahmad Raksun ◽  
Lalu Japa ◽  
I Gde Mertha
Keyword(s):  
Plant Growth ◽  
Factorial Design ◽  
Rice Straw ◽  
Solanum Melongena ◽  
Research Data ◽  
Growth And Yield ◽  
Plastic Mulch ◽  
Straw Mulch ◽  
Synthetic Fertilizer ◽  
Npk Fertilizer

Abstrak : Upaya peningkatan pertumbuhan dan hasil tanaman dapat dilakukan dengan penggunaan mulsa dan pemupukan tanaman. Salah satu pupuk sintetik yang dapat digunakan untuk meningkatkan pertumbuhan dan hasil tanaman adalah pupuk NPK. Penelitian tentang pengaruh jenis mulsa dan dosis pupuk NPK terhadap pertumbuhan dan hasil tanaman terong hijau, telah dilaksanakan di Desa Sukarara Kabupaten Lombok Tengah. Tujuan penelitian ini adalah  untuk mengetahui: (1) pengaruh  jenis mulsa terhadap pertumbuhan dan hasil tanaman terong hijau, (2) pengaruh dosis pupuk NPK terhadap pertumbuhan dan hasil tanaman terong hijau, (3) pengaruh interaksi jenis mulsa dan pupuk NPK terhadap pertumbuhan dan hasil terong hijau. Dalam penelitian ini digunakan rancangan faktorial yang terdiri atas 2 faktor. Faktor pertama adalah jenis mulsa dan faktor kedua adalah dosis pupuk NPK. Data penelitian dianalisis dengan analisis sidik ragam. Hasil penelitian  menunjukkan bahwa (1) penggunaaan  mulsa plastik hitam perak memberikan hasil yang lebih baik terhadap pertumbuhan dan hasil tanaman terong hijau dibandingkan mulsa jerami padi. (2) Perlakuan pupuk NPK dengan dosis 20 gram per tanaman meberikan pertumbuhan dan hasil tanaman terong hijau yang lebih baik dari pada perlakuan yang lain (3) interaksi jenis mulsa dan pupuk NPK berpengaruh nyata terhadap pertumbuhan dan hasil terong hijau. Petani yang menanam terong hijau direkombinasikan untuk menggunakan pupuk NPK dengan dosis 20 gram per tanaman.Kata kunci : mulsa, pupuk NPK, pertumbuhan dan hasil terong hijauAbstract : Efforts to increase plant growth and yield can be done by using mulch and fertilizing plants. One synthetic fertilizer that can be used to increase plant growth and yield is NPK fertilizer. Research on the influence of the type of mulch and dosage of NPK fertilizer on the growth and yield of green eggplant, has been carried out in Sukarara Village, Central Lombok Regency. The purpose of this study is to find out: (1) the influence of the type of mulch on the growth and yield of green eggplant, (2) the effect of NPK fertilizer dosage on the growth and yield of green eggplant, (3) the influence of mulch and NPK fertilizer interactions on growth and yield of green eggplant. In this study a factorial design consisting of 2 factors was used. The first factor is the type of mulch and the second factor is the dose of NPK fertilizer. The research data were analyzed by variance analysis. The results of the study show that: (1) the use of black silver plastic mulch gives better results on the growth and yield of green eggplant  than rice straw mulch. (2) The treatment of NPK fertilizer with a dose of 20 grams per plant gives better growth and yield of green eggplant plants than other treatments (3) interaction of mulch type and NPK fertilizer significantly affects the growth and yield of green eggplant. Farmers who grow green eggplant are recommended to use NPK fertilizer at a dose of 20 grams per plantKeywords: mulch, NPK Fertilizer, growth and yield of green Eggplant

scholarly journals EFFECT OF TRINEXAPAC-ETHYL ON GROWTH AND YIELD OF SUGARCANE

2015 ◽  
Vol 33 (3) ◽  
pp. 491-497
Author(s):  
A. T. FARIA ◽  
E. A. FERREIRA ◽  
P. R. R. ROCHA ◽  
D. V. SILVA ◽  
A. A. SILVA ◽  
...  
Keyword(s):  
Plant Growth ◽  
Growth Regulators ◽  
Plant Growth Regulator ◽  
Block Design ◽  
Growth And Yield ◽  
Bud Burst ◽  
Root Volume ◽  
Factor B ◽  
Randomized Complete Block Design ◽  
Sugarcane Yield

ABSTRACT Growth regulators can be used to further retard or inhibit vegetative growth. In this sense, the objective of this study was to determine the effects of age and number of trinexapac-ethyl applications on the growth and yield of sugarcane. The experiment was in a randomized complete block design with four replications. The treatments were in a 3 x 2 + 2 factorial arrangement, where factor A corresponded to the application times of the plant growth regulator (120, 200 and 240 days after bud burst (DAB) of sugarcane) and factor B to the number of applications (one or two applications). In addition, two controls (one with three applications and another application without the regulator) were added. The application of trinexapac-ethyl decreased the number and the distance between buds, height, root volume and sugarcane yield. The sequential application (2 or 3 times) induced an increase in stem diameter and three applications of the product increased the number of plant tillers. The use of growth regulators applied at 240 DAB has reduced plant height, however without changing the number of buds. It can be concluded that trinexapac-ethyl changes sugarcane growth and yield, regardless of season and number of applications.

scholarly journals Pertumbuhan Semai Sengon (Paraserianthes Falcataria (L.) Nielsen) Pada Media Tanah Bekas Tambang Kapur Dengan Penambahan Pupuk Kompos Dan NPK

2019 ◽  
Vol 10 (1) ◽  
pp. 51-57
Author(s):  
Basuki Wasis ◽  
Siti Halimatus Sa'idah
Keyword(s):  
Seedling Growth ◽  
Root Nodules ◽  
Dry Weight ◽  
Soil Condition ◽  
Major Effect ◽  
Paraserianthes Falcataria ◽  
Soil Medium ◽  
Mining Sites ◽  
Randomized Design ◽  
Npk Fertilizer

Limestone mining activities are damaging soil and enviroment. Revegetation becomes an obligation on every mining sites. Paraserianthes falcataria is one of many species that suitable to be planted in revegetation site. Adding compost and NPK fertilizer can improve soil’s condition. This research objective is to analyze the effect of compost and NPK fertilizer on Paraserianthes falcataria seedlings growth and the exact appropriate dosage for limestone mining’s soil condition improvement. The design used in this research is completely randomized design with two factors. The result shows that addtion of compost on tailing media doesn’t give major effect or statistically not significant on seedling growth of height, diameter, the amount of root nodules, and shoot-root ratio, but statistically significant on wet and dry weight of the seedlings. NPK fertilizer addition on tailing media is statistically significant on the seedling growth of diameter, wet weight, and shoot-root ratio, but not significant different on height, dry weight, and the amount of root nodules. Interaction between compost and NPK fertilizer on media gives effect only at 95% of confidence level. K1N5 sample (with 100 gram composts and 5 gram of NPK fertilizer) gives the best respond on seedling’s growth. Very high levels of Ca in the soil medium will be toxic to the Paraserianthes Falcataria plant.Keywords: Compost, limestone mining, NPK fertilizer, Paraserianthes falcataria

scholarly journals Perlakuan Berbagai Dosis Pupuk ZA Pertumbuhan Dan Hasil Tanaman Bayam Merah (Amaranthus gangeticus)

2021 ◽  
Vol 5 (2) ◽  
pp. 180
Author(s):  
Edy Kustiani ◽  
Mariyono Mariyono ◽  
Bela Citra Ayuningtyas
Keyword(s):  
Analysis Of Variance ◽  
Nutritional Value ◽  
Environmental Design ◽  
Dry Weight ◽  
Growth And Yield ◽  
Dose Treatment ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
The Ideal

Red spinach (Amaranthus gangeticus) is one of the most popular vegetables because of its high nutritional value and easy cultivation. Efforts to increase the production of red spinach are to fertilize to meet the needs of both macro and micronutrients. This study aimed to determine the effect of ZA fertilizer dose on the growth and yield of red spinach. The environmental design used was a non-factorial, completely randomized design with four replications. The factors tested were the dose of ZA fertilizer which consisted of 6 levels, namely: without ZA fertilizer (D0); 0.4 gr/polybag (D1); 0.8 gr/polybag (D2); 1.2 gr/polybag (D3); 1.6 gr/polybag (D4); 2 gr/polybag (D5). The data obtained were analyzed using analysis of variance, and if the results were significantly different, the BNT test was continued at a 5% level. The growth and yield of red spinach showed significant differences due to the ZA fertilizer dose treatment. The ZA fertilizer dose treatment of 1.2 g/polybag (D3) resulted in the highest plant height, the number of leaves, and leaf area of red spinach at 14, 21, and 28 days after planting. The ZA fertilizer dose treatment of 1.2 g/polybag (D3) resulted in the highest wet and dry weight plants of 49.15 and 4.38 grams, respectively. The ZA 1.2 gr/polybag dose is the ideal dose to increase the productivity of red spinach.Bayam merah (Amaranthus gangeticus) termasuk sayuran penting yang disukai masyarakat karena bernilai gizi tinggi dan mudah pembudidayaannya. Upaya peningkatan hasil bayam merah salah satunya dengan pemupukan untuk menambah nutrisi yang dibutuhkan tanaman. Tujuan dari penelitian ini adalah mempelajari respon pertumbuhan dan hasil tanaman bayam merah pada perlakuan dosis pupuk ZA. Pelaksanaan penelitian ini menggunakan Rancangan Acak Lengkap (RAL) satu faktor. Faktor yang diujikan adalah dosis pupuk ZA, terdiri 6 taraf, yaitu: tanpa pupuk ZA (D0); 0.4 gr/polybag (D1); 0.8 gr/polybag (D2); 1.2 gr/polybag (D3); 1.6 gr/polybag (D4); 2 gr /polybag (D5). Percobaan dilakukan dengan ulangan sebanyak 4 kali. Analisis data menggunakan analysis of variance (ANOVA), apabila berbeda nyata dilanjutkan uji Beda Nyata Terkecil (BNT) taraf 5%. Perlakuan dosis pupuk ZA berpengaruh nyata terhadap pertumbuhan dan hasil tanaman bayam merah. Perlakuan dosis pupuk ZA 1.2 gr/polybag (D3) menghasilkan tinggi, jumlah dan luas daun tanaman bayam merah tertinggi pada pengamatan umur 14, 21, dan 28 HST. Dosis pupuk ZA 1.2 gr/polybag (D3) juga menunjukkan berat basah dan berat kering tanaman tertinggi sebesar 49.15 dan 4.38 gram. Dosis ZA 1.2 gr/polybag merupakan dosis ideal untuk meningkatkan produktivitas tanaman bayam merah.

scholarly journals Uji efektivitas kombinasi pupuk bio-slurry dengan pupuk npk terhadap pertumbuhan dan produksi dua varietas padi sawah (oryza sativa L.)

2018 ◽  
Vol 2 (2) ◽  
pp. 188
Author(s):  
Ahmad Khanafi ◽  
Yafizham Yafizham ◽  
Didik Wisnu Widjajanto
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Growth And Yield ◽  
Production Data ◽  
Single Treatment ◽  
Randomized Design ◽  
Npk Fertilizer ◽  
Completely Randomized Design ◽  
Fertilizer Combination ◽  
Range Test

The objective of this research was to investigate the effectiveness of combination of bio-slurry fertilizer and NPK fertilizer on the growth and production of two varieties of rice. The experiment was assigned in a completely randomized design of factorial pattern. The first factor was the combination of bio-slurry and NPK fertilizer that consisted of P0 = no added fertilizer (control) 0 ton/ha, P1 = NPK fertilizer 550 kg/ha (165 kg N, 33 kg P, 45 kg K); P2 = bio-slurryfertilizer 2.3 tons/ha (45 kg N, 14 kg P, 23 kg K) and NPK fertilizer 400 kg/ha (120 kg N, 24 kg P, 32 kg K); P3 = bio-slurryfertilizer 4.6 tons/ha (90 kg N, 28 kg P, 46 kg K) and NPK fertilizer 250 kg/ha (75 kg N, 15 kg P, 20 kg K); P4 = bio-slurry fertilizer 5.9 tons/ha (115 kg N, 36 kg P, 59 kg K) and NPK fertilizer 100 kg/ha (30 kg N, 6 kg P, 8 kg K); and P5 = bio-slurryfertilizer 8.5 tons/ha (165 kg N, 52 kg P, 85 kg K). The second factor was varieties of rice that consisted of V1 : IR-64 and V2 : Ciherang. Each treatment was repeated three times. Parameters observed were plant height, number of tillers, weight of 1.000 grains, and rice production. Data were analyzed using ANOVA and continued with Duncan’s Multiple Range Test (DMRT). The results showed that the combination of bio-slurry fertilizer and NPK fertilizer were significantlyaffect (p <0.05)all observation parameters, while varieties of wetland rice did not show significant effect on all observation parameters (p<0.05). The application of bio-slurry fertilizer in single treatment or in either combination with NPK fertilizer had the same result with the treatment of NPK fertilizer on the growth and yield of rice. Keywords: rice, fertilizer combination, bio-slurry fertilizer, NPK fertilizer

scholarly journals Breaking Dormancy and Effects of Shade Level and NPK Fertilizer Rates on Yield of Zingiber zerumbet (L.) Smith (Lempoyang)

Agriculture ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 198 ◽  
Author(s):  
Suzanne Goh ◽  
Thohirah Lee Abdullah ◽  
Siti Hassan ◽  
Johnson Stanslas
Keyword(s):  
Growth Parameters ◽  
Biological Activities ◽  
Chemical Properties ◽  
Dry Weight ◽  
Growth And Yield ◽  
High Yield ◽  
Significant Interaction Effect ◽  
Zingiber Zerumbet ◽  
Npk Fertilizer ◽  
Fertilizer Rates

Zingiber zerumbet (L.) Smith, known as Lempoyang in Malaysia, belongs to the family Zingiberaceae. Previous studies on Lempoyang mainly focused on the chemical properties and biological activities of the rhizome extracts of this plant. Despite the tremendous demand for the rhizomes of Z. zerumbet, there is a lack of information on cultivation practices and a scarcity of planting materials. By using the pre-soaked technique, the challenges posed by Z. zerumbet dormancy can be overcome, obtaining good quality and uniform planting material throughout the year. Besides that, it is also crucial to determine the optimum shade level and NPK fertilizer rates to obtain a high yield and good quality rhizomes of Lempoyang. Six concentrations of 6-benzylaminopurine (BAP, 0, 50, 100, 150, 200, and 250 mg/L) and ethephon (0, 150, 300, 450, 600, and 750 mg/L) were tested to evaluate their effects on breaking rhizome dormancy. Three different shade levels (full sun, 30%, and 50% shade levels) and four combinations of Nitrogen (N), phosphorus (P), and potassium (K) (NPK) fertilizer at different rates were evaluated to study their effects on plant growth and yield performance. The results showed that BAP at 100 mg/L and ethephon at 300 mg/L performed better than the other compound concentrations tested in promoting the breaking of bud dormancy. A significant interaction effect was observed between shade levels and NPK fertilizer rates in all the growth parameters examined, except for the number of tillers per plant. Plants grown under 30% shade with NPK 4 produced the highest rhizome fresh weight, dry weight, and yield, but plants grown under 50% shade with NPK 4 showed the highest plant height and number of tillers per plant.

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