scholarly journals The Effect of leaves Feeding with Heomic Acid in Some Growth and Producing Properties of Sun Flower Plant. Helianthus annuus L: تأثير التغذية الورقية بحامض الهيوميك في بعض صفات النمو والحاصل لنبات زهرة الشمس .Helianthus annuus L

2017 ◽  
Vol 1 (4) ◽  
Author(s):  
Ali Moutcher Murzah Al-Shamri - Najm Abdullah Juma Al - Zuba
Keyword(s):  
Humic Acid ◽  
Helianthus Annuus ◽  
Block Design ◽  
Total Yield ◽  
Dry Weight ◽  
Growth And Yield ◽  
Helianthus Annuus L ◽  
Flower Plant ◽  
Loam Soil ◽  
Four Levels

A factorial experiment was applied according to Randomized Complete Block Design (R.C.B.D) with three replications, during the spring season 2017 in Diyala / Baquba / Buhriz city, using silt loam soil to study the effect of four levels of foliar fertilization with humic acid 0, 2, 4, 6 ml.L-1 in the growth and yield of sunflower, Helianthus annuus  L. (LuLeo). The results showed significant differences for level of humic acid 6 ml.L-1 in plant height which gave an average 213.73 cm, leaf area of the plant 5597.32 cm2, chlorophyll index 48.64 SPAD, dry weight of the plant 215.0 g, number of seeds in the flowery disc 1494 seed.disc-1, 1000 seeds weight 88.3 g, plant yield 127.91 g.plant-1, total yield 6.81 ton.h-1 and oil percentage in the seeds 43.184%, while the level 4 ml.L-1 humic acid gave the highest average for the protein percentage in the seeds 18.34%.

THE EFFECT OF SALINITY OF IRRIGATION WATER AND SPRAYING BY HUMIC ACID IN SOME OF MORPHOLOGICAL, PHYSIOLOGICAL PROPERTIES, GROWTH AND YIELD OF WHEAT (Triticum aestivum L.)

2020 ◽  
pp. 1-12
Author(s):  
E. K. Al-Fahdawe ◽  
A. A. Al-Sumaidaie ◽  
Y. K. Al-Hadithy
Keyword(s):  
Humic Acid ◽  
Plant Height ◽  
Irrigation Water ◽  
Saline Water ◽  
Block Design ◽  
Nitrogen Concentration ◽  
Dry Weight ◽  
Growth And Yield ◽  
Biological Yield ◽  
Phosphorus And Potassium

A pots experiment was conducted at the Department of Biology/College of Education for Girls/University of Anbar during Autumn season of 2018-2019 to study the effect of the salinity irrigation water and spray by humic acid in some of morphological, physiological, growth and yield traits of wheat cv. IPa. The experiment was randomized complete block design (RCBD) with three replications. The first factor was assigned for irrigation by saline water at four level (S0, S1, S2 and S3), while the second factor was the foliar spraying of humic acid in three level (0.0, 1.0 and 1.5 g l-1). The results showed that there was significant reduction in plant height, vegetative dry weight, biological yield and chlorophyll leaves content when the plants were irrigated by saline water approached to 41.09 cm, 0.747 g, 0.849 g plant-1 and 38.67 SPAD, respectively at salinity level of 8.3 ds m-1 compared with the plants which irrigated by fresh water. The total carbohydrates were significantly decreased at the treatment of 8.3 ds m-1 reached 18.71 mg g-1. Spray levels humic acid achieved a significant increase in plant height, dry weight of the vegetative part, biological yield and chlorophyll leaves content sprayed at 1.0 and 1.5 g l-1 compared to no sprayed. Nitrogen concentration was significantly increased, while both phosphorus and potassium were decreased in the vegetative parts of wheat as the salinity of irrigation water increased. However, the increase of humic acid levels led to significant increasing in nitrogen, phosphorus and potassium concentration.

scholarly journals Kajian Pemberian Pupuk Kandang Ayam Pedaging dan Pupuk Hayati terhadap Pertumbuhan dan Hasil Petsai (Brassica chinensis L.)

2020 ◽  
Vol 2 (2) ◽  
pp. 77-88
Author(s):  
Jhon Hardy Purba ◽  
Putu Sri Wahyuni ◽  
Irwan Febryan
Keyword(s):  
Linear Relationship ◽  
Broiler Chicken ◽  
Block Design ◽  
Dry Weight ◽  
Chicken Manure ◽  
Growth And Yield ◽  
Randomized Block Design ◽  
Economic Weight ◽  
Four Levels ◽  
The Relationship

Abstract. This research aims to determine the effect of broiler manure doses and BiotamaxTM biofertilizers on growth and yield of Chinese cabbage in the Selat Village, Buleleng Regency, Bali from November - December 2018. The randomized block design (RBD) factorial, consisting of two factors was the experimental design used in this research. The first factor is the dose of broiler manure (A), composed of 3 levels, namely control (A0), a dose of 15 tons.ha-1 (A1), and 30 tons.ha-1 (A2). The second factor is the application frequency of biological fertilizers with four levels, namely control (B0) which was administered concurrently for seven days before planting at a dose of 0.09 g.plots-1. B1 with an administrative frequency of 7 and 14 days before and after planting (HST), respectively, with a dose of 0.045 g.plots-1. (B2) with a 3times administrative frequency of 7, 14, and 28 days before, after birth and after each dose of 0.03 g.plots-1 (B3). The results of the study, the frequency of giving BiotaMaxTM biological fertilizer at the same time, provided the heaviest oven-dry weight per crop, which was 9.39 g. The treatment of broiler chicken manure dose of 30 tons.ha-1 (A2), resulted in the best oven-dry weight canopy per plant at 9.26 g. The relationship between the dose of broiler chicken manure with canopy oven-dry weight per plant showed a linear relationship, namely y = 0.0608x + 7.2483 (R2 = 32.53). The best economic weight per hectare is obtained in the provision of 30 tons.ha-1 (A2) broiler manure, weighing 30.10 tons.ha-1. The relationship between the dose of broiler manure and economic weight per hectare shows a linear relationship, y = 0.3247x + 21.699 R² = 59.88%. The frequency of giving BiotaMaxTM biofertilizers at the same time is 7 days before planting at a dose of 0.09 g.plots-1 (B1) gave the heaviest economic weight per hectare, at 28.21 tons.ha-1. The combination of broiler chicken manure dose and the frequency of BiotaMaxTM biofertilizer gave no significant effect (p≥0.05) on the growth and yield of Chinese cabbage.Keywords: broiler manure, biofertilizer frequency, petsaiAbstrak. Penelitian yang bertujuan mengetahui pengaruh dosis pupuk kandang ayam pedaging dan pupuk hayati BiotamaxTM serta interaksinya terhadap pertumbuhan dan hasil petsai dilaksanakan di Desa Selat, Kabupaten Buleleng, Bali pada bulan November - Desember 2018. Rancangan percobaan yang digunakan adalah rancangan acak kelompok (RAK) faktorial, terdiri atas dua faktor. Faktor pertama adalah dosis pupuk kandang ayam pedaging (A), terdiri atas 3 tingkat, yaitu kontrol (A0), dosis 15 ton.ha-1 (A1), dan 30 ton.ha-1 (A2). Faktor ke dua adalah frekuensi pemberian pupuk hayati dengan empat tingkat, yaitu kontrol (B0), pemberian sekaligus yaitu 7 hari sebelum tanam dengan dosis 0,09 g.petak-1 (B1); frekuensi pemberian 2 kali yaitu 7 hari sebelum tanam dan 14 hari sesudah tanam (hst) dengan dosis setiap pemberian 0,045 g.petak-1 (B2); frekuensi pemberian 3 kali yaitu 7 hari sebelum tanam, 14 hst dan 28 hst dengan dosis setiap pemberian 0,03 g.petak-1(B3). Hasil penelitian, frekuensi pemberian pupuk hayati BiotaMaxTM sekaligus, memberikan berat kering oven tajuk per tanaman terberat, yaitu 9,39 g. Perlakuan dosis pupuk kandang ayam pedaging dosis 30 ton.ha-1 (A2), menghasilkan berat kering oven tajuk per tanaman terbaik yaitu 9,26 g. Hubungan antara dosis pupuk kandang ayam pedaging dengan berat kering oven tajuk per tanaman menunjukan hubungan linier, yaitu y = 0,0608x + 7,2483 (R2=32,53). Berat ekonomis per hektar terbaik didapatkan pada pemberian dosis pupuk kandang ayam pedaging 30 ton.ha-1 (A2), yaitu seberat 30,10 ton.ha-1. Hubungan antara dosis pupuk kandang ayam pedaging dan berat ekonomis per hektar menunjukan hubungan linier, yaitu y = 0,3247x + 21,699 R²=59,88%. Frekuensi pemberian pupuk hayati BiotaMaxTM sekaligus yaitu 7 hari sebelum tanam dengan dosis 0,09 g.petak-1 (B1) memberikan berat ekonomis per hektar terberat, yaitu 28,21 ton.ha-1. Kombinasi dosis pupuk kandang ayam pedaging dan frekuensi pemberian pupuk hayati BiotaMaxTM berpengaruh tidak nyata (p≥0,05) terhadap pertumbuhan dan hasil petsai.    Kata kunci: Pupuk Kandang Ayam Pedaging, Frekuensi Pupuk hayati, Petsai.

scholarly journals The Effect of Humic Acid, Vermicompost and Nano-Phosphorous on Growth and Yield Characteristics of Maize (Zea mays L.)

2021 ◽  
Vol 923 (1) ◽  
pp. 012080
Author(s):  
Luma Salih Jabbar Al-Taweel ◽  
Ahmed Malik Waheed Al-Saadawi
Keyword(s):  
Humic Acid ◽  
Root System ◽  
Plant Height ◽  
Total Yield ◽  
Dry Weight ◽  
Growth And Yield ◽  
Control Treatment ◽  
Highest Weight ◽  
Phosphorous Fertilizer ◽  
Fertilizer Combination

Abstract In order to study the effect of adding humic acid, vermicompost and nano-phosphorous on the growth characteristics and yield of maize. An experiment was carried out in one of the fields located in Afak sub-district - Diwaniyah Governorate - Iraq in the autumn season 2020. The experiment was carried out according to a Complete Randomized Blocks Design with three replications. The treatments included adding humic acid at three levels (0, 10 and 20) kg H−1 and coded (H0, H1 and H2) sequentially, while vermicompost was added at two levels (0 and 4) tons H−1 and coded (V0 and V1) sequentially. While nano-phosphorous was added at three levels (0, 5 and 10) kg H−1 that coded by (nP0, nP1 and nP2) sequentially. The results of the experiment showed outperform the fertilizer combination (VnP1), which consisted of vermicompost (4) H− 1ton and nano-phosphorous (5) kgH−1, as it recorded the highest content of chlorophyll in leaves, the highest plant height, the highest weight of the vegetative and root system, the percentage of protein and the total grain yield (66.53). SPAD and 269.93 cm, 53.53 g and 11.853 g) compared to the control treatment that recorded the lowest values, followed by treatment (V) with a single effect of vermicompost (4) tonH−1, which outperformed in the content of leaves from chlorophyll, plant height, dry weight of the vegetative and root system and the percentage of the protein and total yield which recorded (SPAD 65.77, 263.50 cm, 53.04 g, 11.520 g, 12.25% and 12,393 mcg H−1) compared to the control treatment that recorded the lowest values, as the second level of single nano-phosphorous fertilizer (nP2) was significantly superior compared to the levels addition of nP and comparison treatment.

Effect of weed management practices on Sugarcane ratoon

2016 ◽  
Vol 36 (2) ◽  
Author(s):  
Mahima Begum ◽  
Bijnan Chandra Bordoloi
Keyword(s):  
Weed Management ◽  
Management Practices ◽  
Cultural Practices ◽  
Block Design ◽  
Dry Weight ◽  
Growth And Yield ◽  
Cane Yield ◽  
Research Station ◽  
Randomized Block Design ◽  
Loam Soil

A field experiment was conducted during the three consecutive seasons from 2006-08 on clay loam soil of Sugarcane Research Station, Buralikson, Assam to study the effect of different herbicides along with other cultural practices of weed management of sugarcane. The experimental field was laid out in randomized block design with three replication with the following ten treatments viz. T<sub>1</sub>: control, T<sub>2</sub>: 3 hoeings (1<sup>st</sup> , 4<sup>th</sup> and 7<sup>th</sup> week), T<sub>3</sub>: Atrazine@ 2kg a.i/ha + 2,4-D @ 1kg a.i/ ha at 45 days after ratoon initiation, T<sub>4</sub>: atrazine @ 2 kg a.i/ha + 1 hoeing at 45 days after ratoon initiation, T<sub>5</sub>: metribuzine @1 kg a.i/ha + 2,4-D @1 kg a.i/ha at 45 days after ratoon initiation, T<sub>6</sub>: metribuzine @1 kg a.i/ha + 1 hoeing at 45 days after ratoon initiation , T<sub>7</sub>: glycel-41@ 0.4 kg a.i/ha at 3<sup>rd</sup> week stage, T<sub>8</sub>: glycel-41@ 0.4 kg a.i/ha at 3<sup>rd</sup> week + 1 hoeing at 60 days after ratoon initiation, T<sub>9</sub>: trash mulching in alternate rows + hoeing during 1<sup>st</sup> and 6<sup>th</sup> week, T<sub>10</sub>: trash mulching in all rows. Result revealed that all the weed management practices had a significant effect on growth and yield of sugarcane over control. Out of all treatments, pre-emergence spraying of metribuzine @1 kg a.i/ha followed by spraying of 2, 4-D @1 kg a.i/ha at 45 days after ratoon initiation recorded lesser number of weeds and weed dry weight with higher weed control efficiency (80.38%). The same treatment also recorded the higher cane yield (79.6 t/ha) which is followed by pre-emergence spraying of metribuzine @ 1 kg a.i/ha with 1 hoeing at 45 days after ratoon initiation.

scholarly journals Effects of cowdung and potassium on growth and yield of Kohlrabi

2012 ◽  
Vol 10 (1) ◽  
pp. 27-32 ◽  
Author(s):  
J Sultana ◽  
M A Siddique ◽  
M H A Rashid
Keyword(s):  
Plant Height ◽  
Block Design ◽  
Dry Weight ◽  
Growth And Yield ◽  
Control Treatment ◽  
Fresh Weight ◽  
Treatment Combination ◽  
Randomized Complete Block Design ◽  
Number Of Leaves ◽  
Four Levels

An experiment was carried out at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh during  the period from November 2010 to January 2011 to study the effects of cowdung and potassium on growth and yield  of Kohlrabi. The experiment consisted of three levels of cowdung (0, 20 and 40 t/ha) and four levels of potassium (0,  20, 50, 80 kg /ha). The experiment was laid out in randomized complete block design with three replications. All the  parameters were significantly influenced by application of cowdung and potassium. The highest plant height (44.65  cm), number of leaves per plant (12.11), length of largest leaf (37.54 cm), and breadth of largest leaf (18.66 cm) were  obtained from the highest dose of cowdung and potassium applied (40 t cowdung + 80 kg K/ha) while the lowest  plant height (33.64 cm), number of leaves (9.01), length of largest leaf (27.94 cm), and breadth of largest leaf (11.00  cm) were obtained from control treatment combination. The highest fresh weight of leaves (49.33 g), fresh weight of  knob (328.66 g) and fresh weight of roots (66.55 g) per plant were also recorded under the treatment combination of  40 t cowdung + 80 kg K/ha, while the lowest fresh weight of leaves (22.11 g), fresh weight of knob (136.00 g) and  fresh weight of roots (23.33 g) were obtained from control treatment combination. Similarly, the dry weight of leaves  (19.34%), knob (15.19%) and roots (32.75%) were highest under the same treatment combination of 40 t cowdung +  80 kg K/ha and the lowest dry weight of leaves (11.71%), dry weight of knob (7.38%) and dry weight of roots  (15.29%) were obtained from control treatment combination C0K0. The marketable yields of knob per plot (7.86 kg)  and per hectare (39.58 tons) were also the highest under the treatment combination 40 t cowdung/ha and 80 kg  potassium per hectare.   DOI: http://dx.doi.org/10.3329/jbau.v10i1.12035   J. Bangladesh Agril. Univ. 10(1): 27–32, 2012  

scholarly journals The Response of Okra (Abelmoschus esculentus L. Moench) to Inoculation with the Mycorrhizae and Spray with FeSO4 and Anti-transpirant

2019 ◽  
Vol 9 (1) ◽  
pp. 179-187
Author(s):  
Hussein Hammed Abod Al-Umrany ◽  
Redah Mostafa Abd-alhussein Al-obidy
Keyword(s):  
Chlorophyll Content ◽  
Combination Treatment ◽  
Block Design ◽  
Total Yield ◽  
Dry Weight ◽  
Abelmoschus Esculentus ◽  
Research Station ◽  
College Of Agriculture ◽  
Flower Plant ◽  
Positive Effect

The present experiment was conducted at one field of the research station (B) belongs to Horticulture Department/College of Agriculture/ Baghdad University during the summer season of 2017 in order to study the effect of the inoculation with the mycorrhizae and spray with FeSO4 and Anti-transpirant (Armurox) on some growth characters and yield of okra Abelmoschus esculentus L. Moench. The experiment was lay out as a factorial experiment (2x3x2) in randomized complete block design (RCBD). The three factors used in this experiment included; the inoculation with mycorrhizae (M) (0 and 10 g. plant-1), spray with FeSO4 (F) (0, 0.5, and 1g. L-1), and the Anti-transpirant ‘Armurox’ (A) (0 and 5 ml.L-1). The results showed that the inoculation with mycorrhizae had positive effect on chlorophyll content, dry weight of shoot, total number of flowers and total yield with values of 51.15 mg.100 g-1, 28.73%, 116.12 flower. plant -1, 21.92 ton. hectare-1, respectively. The M1F0A0 combination treatment was superior in total number of flowers per plant (132.90), while the M1F2A1 combination treatment was superior in chlorophyll content, dry weight and total yield with values of 68.23 mg. 100 g-1, 31.82%, and 25.29 ton. Hectare-1, respectively.

scholarly journals Effect of drought stress and mycorrhizal dose on growth and yield of maize (Zea mays L.)

2022 ◽  
Vol 951 (1) ◽  
pp. 012067
Author(s):  
Rusmana ◽  
E P Ningsih ◽  
A N Hikmah
Keyword(s):  
Zea Mays ◽  
Drought Stress ◽  
Zea Mays L ◽  
Block Design ◽  
Dry Weight ◽  
Growth And Yield ◽  
Stress Treatment ◽  
Randomized Block Design ◽  
Two Factors ◽  
Four Levels

Abstract This study aims to determine the effect of drought stress and mycorrhizal dose on the growth and yield of maize (Zea mays L.). The research was done in the BPTP Banten Screen House and the Soil and Climate Laboratory of the Faculty of Agriculture, Sultan Ageng Tirtayasa University starts from November 2020 until February 2021. This study used a factorial randomized block design (RBD) consisting of two factors. First factor was drought stress with four levels, namely k1 (100% FC), k2 (80% FC), k3 (60% FC), and k4 (40% FC) and second was the mycorrhizal dose with 3 levels, called m0 (0 g/pot), m1 (10 g/pot), and m2 (20 g/pot). There were 12 treatment combinations that were repeated 3 times in order to obtain 36 experimental units. The results showed that the drought stress treatment had a significant effect on maize plant height at 7 WAP of 174.22 cm, plant dry weight of 86.67 g, root dry weight of 21.67 g, and seed dry weight of 37 g. Drought stress of 40% FC can reduce the growth and yield of maize. The mycorrhizal dose treatment had no significant effect on the growth and yield of maize. The application of mycorrhizal dose of 20 g/pot tends to increase the growth and yield of maize. There was no interaction between drought stress treatment and mycorrhizal dose on growth and yield of maize.

DESENVOLVIMENTO E PRODUTIVIDADE DO GIRASSOL SOB LÂMINAS DE IRRIGAÇÃO EM SEMEADURA DIRETA NA REGIÃO DO ARENITO CAIUÁ, ESTADO DO PARANÁ

Irriga ◽  
2010 ◽  
Vol 15 (4) ◽  
pp. 373-385 ◽  
Author(s):  
Eder Pereira Gomes ◽  
Marizângela Rizzatti Ávila ◽  
Max Emerson Rickli ◽  
Fabiano Petri ◽  
Gregory Fedri
Keyword(s):  
Helianthus Annuus ◽  
Yield Components ◽  
Block Design ◽  
Irrigation Management ◽  
Growth And Yield ◽  
Water Retention Capacity ◽  
Growth Stages ◽  
No Tillage ◽  
Helianthus Annuus L ◽  
Crop Coefficients

O girassol é uma planta que se adapta em diversas condições edafoclimáticas, porém, as necessidades hídricas, assim como os coeficientes de cultura nos diferentes estádios fenológicos, ainda não estão perfeitamente definidas. Na região do Arenito Caiuá, Noroeste do Estado do Paraná, por possuir solo extremamente arenoso, portanto com baixa capacidade de retenção hídrica, torna-se imprescindível o cultivo de culturas anuais sob a técnica de semeadura direta. Com objetivo de estabelecer um manejo adequado de irrigação suplementar para a cultura do girassol nesta condição, valores de coeficiente de cultura foram propostos em cinco fases fenológicas. Utilizou-se um delineamento experimental de blocos casualizados com três repetições e cinco tratamentos, sendo um sem irrigação e quatro com lâminas de irrigação embasadas na adoção de diferentes coeficientes de cultura.  Ao final de cada fase foram medidas as seguintes componentes de produção: massa seca, diâmetro de capítulo, diâmetro de caule e altura de planta. A maioria das componentes respondeu de maneira linear, independente da fase analisada. Não houve baixa produtividade da cultura do girassol com ausência de irrigação, igual a 2271 kg ha-1, no entanto a maior produtividade, 3063 kg ha-1, foi alcançada por meio da irrigação que utilizou coeficientes de cultura iguais 0,4, 0,8, 1,2, 0,8 e 0,4, nas fases 1,2,3,4 e 5, respectivamente.   Palavras Chave: coeficiente de cultura, componentes de produção, irrigação suplementar, solo arenoso, Helianthus annuus L.     SUNFLOWER GROWTH AND YIELD UNDER IRRIGAGATION LEVELS IN NO-TILLAGE SYSTEM IN ARENITO CAIUÁ REGION - PARANÁ STATE.     2 ABSTRACT   The sunflower crop adapts various soil and climate conditions, however, the water requirements and the crop coefficients in different growth stages are not yet well defined.In Arenito Caiuá, Northwest of Parana State, because the soil is extremely sandy with low water retention capacity, there is a need for annual crops cultivation under no-tillage technique. In order to establish a proper supplemental irrigation management for sunflower cultivation in this condition, crop coefficient values were proposed in five phases of development. A randomized block design was used with three replications and five treatments, one without  and four irrigation depths based in the adoption of different crop coefficients. At the end of each phasethe following yield components were measured: dry matter, capitulum and stem diameter, and plant height. Most components responded in a linearly, independent of the phase analyzed. There wasn’t sunflower low yield without irrigation equal to 2271 kg ha-1, however the highest yield 3063 kg ha-1 was obtained by irrigation which used crop coefficients equal to 0.4, 0.8, 1.2, 0.8 and 0.4 in phases 1,2,3,4 and 5, respectively.   Key-words: crop coefficients, yield components, irrigation, soil, Helianthus annuus L.

Response of sunflower (Helianthus annuus L) genotypes to PEG-mediated water stress

2014 ◽  
Vol 9 (12) ◽  
pp. 1206-1214
Author(s):  
Roumiana Vassilevska-Ivanova ◽  
Lydia Shtereva ◽  
Boris Kraptchev ◽  
Tanya Karceva
Keyword(s):  
Drought Tolerance ◽  
Osmotic Stress ◽  
Helianthus Annuus ◽  
Growth Parameters ◽  
Dry Weight ◽  
Germination Percentage ◽  
Helianthus Annuus L ◽  
Shoot Dry Weight ◽  
Four Levels ◽  
Osmotic Potentials

AbstractDrought tolerance of two sunflower (Helianthus annuus L.) genotypes, cultivated cultivar 1114 and interspecific line H. annuus × H. mollis, was studied under laboratory conditions using PEG-6000. Four levels of osmotic stress (−0.4, −0.6, −0.8 and −1.0 MPa) were created and performances were monitored against a control. Physiological and biochemical stress determining parameters such as malondialdechyde (MDA), proline content, and hydrogen peroxide (H2O2) were compared between seedlings of both genotypes. The results indicated that both genotypes have similar responses at four osmotic potentials for all traits studied. All seedling growth parameters such as germination percentage, root length, shoot length, root and shoot dry weight decreased with increasing osmotic stress. MDA, proline, and H2O2 were found to be increased at different osmotic gradients in comparison to control. Cultivar 1114 was less affected than the interspecific line under these stress conditions. The data observed in the experiments revealed that perennial wild H. mollis can hardly be considered to be an excellent candidate of drought tolerance genes.

scholarly journals Effect of humic acid on the growth and yield of two maize (Zea mays L.) cultivars on andisol

2020 ◽  
Vol 5 (1) ◽  
pp. 25
Author(s):  
Tangguh Prakoso ◽  
Endang Sulistyaningsih ◽  
Benito Heru Purwanto
Keyword(s):  
Zea Mays ◽  
Humic Acid ◽  
Zea Mays L ◽  
Block Design ◽  
Amorphous Material ◽  
Dry Weight ◽  
Yield Component ◽  
Growth And Yield ◽  
Control Treatment ◽  
Fertilizer Treatment

One way to improve maize (Zea mays L.) production is through land extension using Andisol land. However, andisol soil has phosphate (P) fixation problem due to the high amorphous material. Hence, the use of organic material in the form of humic acid that has greater affinity to amorphous minerals is recommended to solve the problem. This research was conducted in February-May 2017 at Tri Dharma field of Faculty of Agriculture, Gadjah Mada University. The Andisol land used has a low available P category from Datar, West Java and Wonosobo, Central Java. This research was arranged in a Randomized Complete Block Design (RCBD), consisting of 2 factors. The first factor was maize cultivar (Bisi-2 and Pioneer-35). The second factor was the doses of humic acid, consisting of control treatment (without fertilizer and humic acid), NPK without humic acid, and NPK + humic acid at 5%, 10%, and 15%. The percentage of humic acid given, based on the amount of NPK 16:16:16 fertilizer, was 350 kg ha-1. Fertilization was applied 3 times 100 kg ha-1 on 1 WAP, 150 kg ha-1 at 3 WAP and 100 kg ha-1 at 7 WAP. The results is, humic acid treatment had the same effect with NPK fertilization treatment only and control on P available Andisol soil. Humic acid, also has the same effect with NPK fertilizer treatment in increasing the yield component of 100 seeds weight, dry weight of seeds, harvest index, length of cobs and productivity. 

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