scholarly journals Potassium silicate as a resistance elicitor in sweet corn yield traits under water stress

2019 ◽  
Vol 13 (1) ◽  
Author(s):  
Ausbie L.G. Araújo ◽  
Amanda M. de Almeida ◽  
João De J. Guimarães ◽  
Fernando S. de Cantuário ◽  
Leandro C. Salomão ◽  
...  
Keyword(s):  
Water Stress ◽  
Soil Water ◽  
Sweet Corn ◽  
Block Design ◽  
Potassium Silicate ◽  
Corn Yield ◽  
Soil Water Tension ◽  
Randomized Block Design ◽  
Negative Impacts ◽  
Corn Plants

Plant water stress is a major problem in the Cerrado biome of Brazil. Dry periods and random climatic events cause quality and yield losses in sweet corn plants. Compounds, such as silicon (Si), are being studied to reduce the negative impacts of water stress on agricultural crops. Further tests may allow farmers to increase the use of silicon-based compounds. The objective of this study was to evaluate the production parameters of the sweet corn (Zea mays var. saccharata) (Poaceae) Tropical Plus® hybrid with water stress and potassium silicate doses applied with foliar spraying. A randomized block design with four soil water tensions (15, 30, 45 and 60 kPa) and four potassium silicate doses (0, 6, 12 and 24 L ha-1) was used in a greenhouse. The studied factors, alone or in interaction with each other, did not affect most of the sweet corn yield parameters. The hypothesis that these results may have been partially affected by the presence of silicon are discussed. The sweet corn plant yield was affected mainly by the soil water tension of 60 kPa.

scholarly journals Potassium Silicate, Against Water Stress, in Sweet Corn Plant Growth Traits

2019 ◽  
Vol 11 (5) ◽  
pp. 172
Author(s):  
Ausbie Luis Graça Araújo ◽  
Amanda Maria de Almeida ◽  
João de Jesus Guimarães ◽  
Fernando Soares de Cantuário ◽  
Leandro Caixeta Salomão ◽  
...  
Keyword(s):  
Water Stress ◽  
Soil Water ◽  
Plant Height ◽  
Root Length ◽  
Sweet Corn ◽  
Block Design ◽  
Potassium Silicate ◽  
Stem Diameter ◽  
Corn Plant ◽  
Corn Plants

Water stress in sweet corn plants due effect of climatic events, such as El Niño, is difficult to monitor, leading to considerable losses. Silicon (Si) as an exogenous resistance elicitor may reduce water stress effects. The relationship between sweet corn plant age and its development, under induced water stress and leaf potassium silicate applications were evaluated. This work was carried out with the hybrid Tropical Plus®, in a randomized factorial block design with 15, 30, 45 and 60 kPa as soil water tensions in plots and potassium silicate doses (0, 6, 12 and 24 L ha-1) in subplots. Stem diameter, plant height and leaf number per plant were evaluated at 30, 45, 60, 75 and 90 days after seeding. Root length was measured on the 90th day after seeding. Sweet corn plants submitted to water stress conditions and Si application showed an age-dependent response. Water stress did not decrease stem diameter, plant height and number of leaves per plant sprayed with Si. Root length was longer with 60 kPa soil water tension. Silicon reduced negative impacts of water stress on sweet corn plants.

scholarly journals PEMANFAATAN SAMPAH ORGANIK RUMAH TANGGA DAN PEMBERIAN CMA UNTUK BUDIDAYA JAGUNG MANIS PADA TANAH GAMBUT PEDALAMAN (The utilization of household organic waste and giving Of arbuskula mycorrhizal fungus for cultivation Of sweet corn (Zea mays saccharata st

AgriPeat ◽  
2019 ◽  
Vol 20 (01) ◽  
pp. 45-54
Author(s):  
Admin Journal
Keyword(s):  
Organic Waste ◽  
Sweet Corn ◽  
Block Design ◽  
Organic Fertilizer ◽  
Mycorrhizal Fungus ◽  
Arbuscular Mycorrhizal ◽  
Corn Yield ◽  
Corn Cobs ◽  
Randomized Block Design ◽  
Corn Plants

ABSTRACTThis study aims to examine the response of sweet corn plants which were given organic fertilizer and Arbuscular Mycorrhizal Fungus (CMA) and determine the dose of organic waste that can be used for composting based on the best dose of sweet corn yield per hectare. This experiments using Randomized Block Design arranged in a Factorial pattern with three levels compost dosage ( 0, 15 and 30 t ha-1), and five levels of CMA (0, 600, 900, 1200 and 1500 kg ha-1). The results showed that compost fertilizer was 30 t ha-1 and arbuskula mycorrhizal fungus 1200 kg ha-1 gave significantly better results on plant height growth (174.80 cm), shoot/root ratio (8,368), N (2 , 66%) and P (328.88 ppm) concentration in plant tissue, length of sweet corn cobs (19.90 cm), diamater sweet corn cobs (5.04 cm) and sweet corn cobs weight (217.28 g). The amount of organic waste that can be used to make compost based on the best results is 571.43 kw ha-1Kata kunci : sweet corn, organic waste, CMA, peat landABSTRAKPenelitian ini bertujuan untuk menelaah respon tanaman jagung manis yang diberi pupuk organik dan Cendawan Mikoriza Arbuskula (CMA) dan menentukan dosis sampah organik yang dapat dimanfaatkan untuk pembuatan kompos berdasarkan dosis terbaik hasil jagung manis per hektar. Percobaan ini menggunakan Rancangan Acak Kelompok Faktorial dengan tiga taraf dosis pupuk kompos 0, 15 dan 30 t ha-1, lima taraf CMA (0, 600, 900, 1200 dan 1500 kg ha-1). Hasil penelitian diperoleh bahwa pemberian pupuk kompos 30 t ha-1 dan cendawan mikoriza arbuskula 1200 kg ha-1 memberikan hasil yang nyata lebih baik terhadap pertumbuhan tinggi tanaman (174,80 cm), nisbah pupus akar (8,368), konsentrasi unsur N (2,66%) dan P (328,88 ppm) dalam jaringan tanaman, panjang tongkol (19,90 cm), diameter tongkol (5.04 cm) serta bobot tongkol (217,28 g). Jumlah sampah organik yang dapat dimanfaatkan untuk pembuatan pupuk kompos berdasarkan hasil terbaik yaitu 57,14 t ha-1Kata kunci : jagung manis, sampah organik, CMA, gambut

scholarly journals Respon pertumbuhan dan hasil beberapa varietas jagung manis (Zea mays Saccharata sturt. L) akibat takaran bokashi pada sistem Pengelolaan Tanaman Terpadu (PTT) di kabupaten Karawang

Kultivasi ◽  
2018 ◽  
Vol 17 (1) ◽  
Author(s):  
Rommy Andhika Laksono ◽  
Nurcahyo Widyodaru Saputro ◽  
Muhammad Syafi’i
Keyword(s):  
Management System ◽  
Sweet Corn ◽  
Block Design ◽  
Organic Fertilizer ◽  
Crop Management ◽  
Corn Yield ◽  
Corn Production ◽  
Integrated Crop Management ◽  
Randomized Block Design ◽  
Lowland Area

Abstract. Sweet corn production in Indonesia can be increased by intensification program, such as the use of superior cultivars, the use of balanced fertilizer, and the use of organic fertilizer. Objective of the research was to study Integrated Crop Management System, that related to use of fermented organic fertilizer (bokashi) which suitable to sweet corn crop, especially in lowland area of Karawang district. The method of research was experiment. The experimental design was Randomized Block Design, that consisted of 16 treatments and 3 replications. The treatments were 4 bokashi dosage (0, 5, 10 and 15 ton ha-1) combined with 4 varieties of F1 sweet corn (Bonanza, Talenta , Secada and Sweet Boy). The data were analyzed using analysis of variance and Duncan multiple-range test at 5%. The results show that bokashi dosage had given difference on plant height, number of leaves per plant, diameter of the stem, weight of ears, number of grain rows, and yield. Dosages of 10 tons ha-1 bokashi gave the best growth and sweet corn yield of Sweet Boy F1 varieties on Integrated Crop Management System. Keywords: Sweet Corn, Bokashi, CMS. Sari. Produksi jagung manis di Indonesia dapat ditingkatkan dengan program intensifikasi, diantaranya dengan penggunaan kultivar unggul, pupuk berimbang, dan pupuk organik. Tujuan penelitian ini adalah untuk mempelajari sistem pengelolaan tanaman terpadu, yang berhubungan dengan penggunaan pupuk orga-nik bokashi yang cocok pada tanaman jagung manis, khususnya di dataran rendah Karawang. Metode penelitian ini menggunakan percobaan. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok, terdiri dari 16 perlakuan dan 3 ulangan. Perlakuan terdiri dari 4 dosis bokashi (0, 5, 10 dan 15 ton ha-1)  yang dikombinasikan dengan 4 varietas jagung manis F1(Bonanza, Talenta , Secada dan Sweet Boy). Data dianalisis menggunakan analisis varians dan uji jarak berganda Duncan pada taraf 5%. Hasil menunjukkan perlakuan dosis bokashi memberikan perbedaan pada tinggi tanaman, jumlah daun, diameter batang, berat tongkol, jumlah baris biji, dan hasil. Dosis bokashi 10 ton ha-1 memberikan pertumbuhan dan hasil terbaik jagung manis varietas Sweet Boy pada sistem Pengelolaan Tanaman Terpadu. Kata kunci: Jagung Manis, Bokashi, Pengelolaan Tanaman Terpadu

scholarly journals UTILIZATION OF BIOFERTILIZERS AND ORGANIC MATERIALS ON GROWTH AND YIELD OF SWEET CORN (Zea mays saccharata)

Agric ◽  
2020 ◽  
Vol 32 (2) ◽  
pp. 129-138
Author(s):  
A. Marthin Kalay ◽  
Reginawanti Hindersah ◽  
Irene A. Ngabalin ◽  
Marina Jamlean
Keyword(s):  
Organic Materials ◽  
Sweet Corn ◽  
Block Design ◽  
Growth And Yield ◽  
Livestock Manure ◽  
Randomized Block Design ◽  
Affected Plant ◽  
Livestock Manure Compost ◽  
Corn Plants ◽  
Biological Fertilizer

Growth and production of corn plants require land with sufficient nutrients. Utilization of biological fertilizers and organic materials carried out with the aim of increasing the yield of corn. The treatments that were tried were the provision of compost, livestock manure, compost and livestock manure, each of which was added by spraying a consortium of biological fertilizer. The experiment was designed using a randomized block design with five replications. The results showed that the application of organic-based fertilizers affected plant height from 17 - 49 days after planting, weight of fruit with kelobot, weight of cob and ear length. Provision of compost or livestock manure and added with a biological fertilizer consortium by spray gives a higher effect compared to the provision of compost or livestock manure which is not added to the consortium of biological fertilizer. To increase the productivity of maize plants it is recommended to use a consortium of biological fertilizers applied by spraying at intervals of seven days until the plants are 49 days after planting.

scholarly journals Periode Kritis Jagung Manis Berkompetisi dengan Gulma Pada Entosil Lombok Tengah

2021 ◽  
pp. 32-43
Author(s):  
I Ketut Ngawit ◽  
M Taufik Fauzi
Keyword(s):  
Plant Growth ◽  
Critical Period ◽  
Research Method ◽  
Sweet Corn ◽  
Crop Yields ◽  
Block Design ◽  
Growth And Yield ◽  
Randomized Block Design ◽  
Corn Plants ◽  
Age Range

Weeds are not always detrimental to plants, because there is a period of time when they are most influential on plant growth and yield and a period of time when weeds are present is called critical piriode. A research aimed to determine the critical period of sweet corn with weeds in Central Lombok entisoles. The experimental research method with experiments in the field used a randomized block design (RBD), which consisted of 12 treatments, weed-free plants (TBG) from planting to age, 10;20;30;40;50 and 60 days and the plants were allowed to roll (TG). since planting until the age of 10;20; 30; 40;50 and 60 days. The results showed that the presence of tolerable weeds on sweet corn plants was only until the age of 30 days after planting. Weeds must be weeded after the plants are between 30-40 days old, if done after the plants are 40 days old, the crop yields cannot be saved. The critical period for sweet corn competing with weeds on the Lombok Tengan entisol is in the age range between 30-40 days after planting. Plants that compete with weeds for 40, 50, and 60 days after planting (until harvest) experience a decrease in yield of 60.32%, 82.84% and 98.66%. Meanwhile, plants that did not compete (weed free) for only 10, 20 and 30 days experienced a decrease in yield of 98.61%, 80.16% and 61.40%. 

scholarly journals PENENTUAN DOSIS FORMULASI PUPUK ORGANIK UNTUK EFISIENSI PENGGUNAAN PHONSKA PADA TANAMAN JAGUNG MANIS (Zea mays sacharata Sturt.)

EUGENIA ◽  
2019 ◽  
Vol 25 (2) ◽  
Author(s):  
A. G. Tulungen ◽  
P. Tumewu ◽  
M. Montolalu ◽  
John L. Rantung ◽  
S. Tulung
Keyword(s):  
Plant Height ◽  
Sweet Corn ◽  
Block Design ◽  
Organic Fertilizer ◽  
Dry Weight ◽  
Design Factor ◽  
Randomized Block Design ◽  
Two Factors ◽  
Corn Plants ◽  
Physical And Chemical

The use of organic fertilizer provides soil with macronutrients, micronutrients, and organic acids which improve the long-term physical, chemical, and biological fertility of the soil. This research aims to: 1) Increase physical and chemical soil fertility, 2) Acquire the interaction between organic fertilizer and Ponska fertilizer dosage on sweet corn crops, 3) Acquire the most efficient dosage of PONSKA  fertilizer on sweet corn, and 4) disseminate research results through journal articles and directly to farmers.  This research will increase the efficiency of NPK Ponska chemical fertilizers by utilizing waste from around the farm and lakes to formulate organic fertilizer to apply on sweet corn crops and as a reference to teaching material. Factorial research with two factors was designed using a randomized block design. Factor I (A) = Organic fertilizer formulation, comprising of A1 = 20 ton/ha, A2 = 30 ton/ha, and A3 = 40 ton/ha.  Factor II (B) =  Phonska fertilizer,  comprising of B1 = 25 % Ponska, and B2 = 50% Ponska. Every treatment was replicated four times, yielding 24 research plots. Response variables observed were: Plant height, number of leaves, dry weight of the plant. Data were analyzed using ANOVA, followed by Tukey's honest significance difference test (alpha = 0.05) if significant differences were found. Results showed that the interaction between organic and Phonska fertilizer formulations had significant effects on plant height. A dosage of 40 ton/ha of organic fertilizer can decrease the use of phonska fertilizer by 75% based on the height of sweet corn plants.

scholarly journals APLIKASI FORMULASI PUPUK ORGANIK UNTUK EFISIENSI PENGGUNAAN PUPUK ANORGANIK NPK PHONSKA PADA TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt)

EUGENIA ◽  
2018 ◽  
Vol 23 (3) ◽  
Author(s):  
P. Tumewu ◽  
M. Montolalu ◽  
A. G. Tulungen
Keyword(s):  
Sweet Corn ◽  
Block Design ◽  
Organic Fertilizer ◽  
Hydrilla Verticillata ◽  
Dry Weight ◽  
Chicken Manure ◽  
Growth And Yield ◽  
Cow Dung ◽  
Corn Yield ◽  
Randomized Block Design

ABSTRACT The aim of this research is to know the effect of organic fertilizer formulation and NPK Phonska fertilizer on the growth and yield of sweet corn, and to get organic fertilizer formulation for the efficiency of inorganic fertilizer NPK Phonska in increasing the yield of sweet corn. The factorial experiment was designed using a Randomized Block Design consisting of two factors. Factor I (A) = Formulation of Organic Fertilizer, consisting of A1 = Water hyacinth, Cow Manure, chicken manure, A2 = Hydrilla verticillata, cow dung, chicken manure, A3 = Kirinyuh, cow dung, chicken manure. Factor II (B) = Phonska fertilizer, Consist of B1 = 25% Phonska, B2 = 50% Phonska, B3 = 75% Phonska, B4 = 100% Phonska. Each treatment was repeated three times to obtain 36 experimental plots. Response variables observed included: Plant dry weight, Length of cob, Cob diameter, Weight of cob, measured at harvest. Data were analyzed using variance analysis and if there was effect of treatment continued by using Test of Honest Real Difference (BNJ) at 5% test level. The results showed that the interaction between organic fertilizer formulation and NPK phonska significantly affect the diameter of cob and sweet corn cob weight. The dry weight of sweet corn plant is influenced by organic fertilizer formulation. Formulation of organic fertilizer Hydrilla verticillata + cow dung + chicken dung 20 ton / ha dose able to reduce the dose of NPK Phonska at half of the recommended dosage.Keywords: formulation of organic fertilizer, sweet corn yield, Phonska  ABSTRAK Penelitian bertujuan untuk mengetahui pengaruh interaksi formulasi pupuk organik dan pupuk NPK Phonska terhadap pertumbuhan dan hasil jagung manis, serta mendapatkan formulasi pupuk organik untuk efisiensi pupuk anorganik NPK Phonska dalam meningkatkan hasil jagung manis. Percobaan factorial  dirancang menggunakan Rancangan Acak Kelompok yang terdiri dari dua faktor. Faktor I (A) = Formulasi Pupuk Organik, terdiri dari A1 = Eceng gondok, Kotoran sapi, kotoran ayam, A2 = Hydrilla verticillata, kotoran sapi, kotoran ayam, A3 = Kirinyuh, kotoran sapi, kotoran ayam. Faktor II(B) =  Pupuk Phonska, Terdiri dari B1 = 25% Phonska, B2 = 50% Phonska, B3 = 75% Phonska, B4 = 100 % Phonska. Setiap perlakuan diulang tiga kali sehingga diperoleh 36 petak percobaan. Variabel respons yang diamati  meliputi : Berat kering tanaman, Panjang tongkol, Diameter tongkol, Bobot tongkol, diukur pada saat panen. Data  dianalisis menggunakan  analisis ragam dan jika terdapat pengaruh perlakuan dilanjutkan dengan menggunakan Uji Beda Nyata Jujur (BNJ) pada taraf uji 5 %. Hasil penelitian  menunjukkan bahwaInteraksi antara formulasi pupuk organik dan NPK phonska berpengaruh nyata terhadap diameter tongkol dan  bobot tongkol jagung manis. Bobot kering tanaman jagung manis dipengaruhi oleh  formulasi pupuk organik.  Formulasi pupuk organik Hydrilla verticillata+ kotoran sapi+kotoran ayam dosis 20 ton/ha mampu menurunkan dosis NPK Phonska setengah dari dosis rekomendasi.Kata kunci: formulasi pupuk organik, hasil jagung manis, Phonska

scholarly journals Granting of Organic Fertilizer and NPK Fertilizer to Growth and Results of Sweet Corn (Zea Mays. L)

2018 ◽  
Vol 7 (4.15) ◽  
pp. 427
Author(s):  
Sri Hidayati ◽  
Mahrus Ali ◽  
Sri Purwanti ◽  
Nurul Huda ◽  
Nurlina .
Keyword(s):  
Zea Mays L ◽  
Sweet Corn ◽  
Block Design ◽  
Organic Fertilizer ◽  
Growth And Yield ◽  
Real Effect ◽  
Randomized Block Design ◽  
Two Factors ◽  
Npk Fertilizer ◽  
Corn Plants

The aim of research is to test the combination of organic fertilizer and NPK fertilizer, test organic fertilizer, test NPK fertilizer that is suitable for the growth and yield of sweet corn. This research method using Randomized Block Design (RAK) arranged factorial consists of two factors, namely Organic Fertilizer (cage) with 3 levels of treatment (K) and NPK Fertilizer with 3 levels of treatment (M). Each treatment was repeated 3 times and each treatment combination consisted of two sample plants. The results of this study showed that the overall treatment of the combination of organic fertilizer and NPK fertilizer on the growth and yield of sweet corn plants did not show a real effect. Separately the treatment of organic fertilizer gave a very real effect on all observation variables, the average organic fertilizer as much as 17.5 tons / ha or 1.5 kg / tan (K3) gave the highest growth and yield of sweet corn compared to other treatment, Separately the treatment of NPK fertilizer gave a very real influence on all observation variables, the average NPK fertilizer with a composition of 450 kg Urea + 150 kg TSP + 75 kg KCl) / Ha or 9 g + 3 g + 1.5 g / tan (M3) gives the highest growth and yield of sweet corn compared to other treatments. Person. 

scholarly journals PENINGKATAN KETERSEDIAAN DAN SERAPAN NPK SERTA HASIL TANAMAN JAGUNG BISI-16 MELALUI INOKULASI MIKORIZA DAN PUPUK NPK PADA ALFISOL

AGRICA ◽  
2020 ◽  
Vol 5 (1) ◽  
pp. 44-56
Author(s):  
Yovita Yasintha Bolly
Keyword(s):  
Block Design ◽  
Dry Weight ◽  
Corn Yield ◽  
Optimum Dosage ◽  
Randomized Block Design ◽  
Npk Uptake ◽  
Regression Test ◽  
Npk Fertilizer ◽  
Corn Plants ◽  
Different Origin

This study is to investigate the influence of mycorrhiza isolates with different origin rhizosphere and fertilizer NPK with different dosage to the availability and absorption of NPK as well as the corn yield and to determine the optimum dosage of fertilizer NPK in each mycorrhiza isolate with different origin rhizosphere and availability and uptake of NPK and corn yields and to determine the optimum dosage of fertilizer NPK for each different origin rhizosphere of isolates mycorrhizal inoculated against corn yield. This study used complete Randomized Block Design (CRBD) consisting of 20 treatment combinations with three replications, they are without mycorrhiza and without fertilizer (m0p0) without mycorrhiza + 25% dose of NPK (m0p1) without mycorrhiza + 50% dose of NPK (m0p2) without mycorrhiza + 75% dose of NPK (m1p3) without mycorrhiza + 100% dose of NPK (m1p4), origin rhizosphere mycorrhiza of the of corn plants +  100% dose of NPK (m2p2) without fertilizer (m1p0) mycorrhiza origin of the rhizosphere of corn plants+ 25% dose of NPK (m1p1) mycorrhiza origin rhizosphere of plants corn + 50% dose of NPK (m1p2) origin rhizosphereof mycorrhiza the corn plants+ 75% dose of NPK (m1p3), mycorrhiza origin of the rhizosphere of corn plants+ 100% dose of NPK (m1p4), origin rhizosphere of mycorrhiza the cassava + without fertilizers ( m2p0), origin of mycorrhiza of the cassava + 25% dose of NPK  (m2p1), origin rhizosphere of mycorrhiza of cassava + 50% dose of NPK (m2p2), origin rhizosphere  of mycorrhiza of cassava + 75% dose of NPK (m2p3), origin rhizosphere  of mycorrhiza of cassava + 100% dose of NPK (m2p4) mycorrhizal from serpong + without fertilizer (m3p0), mycorrhiza from serpong + 25% dose of NPK (m3p1), mycorrhiza from serpong + 50% dose of NPK (m3p2), mycorrhiza from serpong + 75% dose of NPK (m3p3), mycorrhiza from serpong + 100% dose of NPK (m3p4). The results showed that mycorrhiza treatment and dosage of fertilizer NPK can increase the availability of NPK, NPK uptake, dry weight of plant and dry weight of seed. Regression test showed the optimum dosage of NPK on m0 treatment cannot be determined because it is linear, while the optimum dosage of NPK fertilizer on the treatment of inoculated mycorrhizal of origin rhizosphere of corn (m1) is 50.66% the recommended dose, in the treatment of native mycorrhiza rhizosphere of cassava (m2 ) is 45.11%, and the treatment of mycorrhiza from serpong (m3) is 46.10%.

scholarly journals Response of broccoli to soil water tension under drip irrigation

2016 ◽  
Vol 37 (1) ◽  
pp. 7
Author(s):  
Bartolomeu Felix Tangune ◽  
Geraldo Magela Pereira ◽  
Rovilson José de Souza ◽  
Rafael Frees Gatto
Keyword(s):  
Soil Water ◽  
Drip Irrigation ◽  
Block Design ◽  
Average Diameter ◽  
Marketable Yield ◽  
Mean Values ◽  
Soil Water Tension ◽  
Randomized Block Design ◽  
Granular Matrix ◽  
Water Tension

We evaluated the effect of different soil water tensions on the production of broccoli cultivated in a protected environment under drip irrigation in order to establish criteria for the adequate management of irrigation. A completely randomized block design was used, comprising six treatments and four replicates. The treatments included six soil water tensions (15, 30, 45, 60, 75 and 90 kPa). Soil water tension was monitored with granular matrix sensors installed at depths of 0.2 m (decision sensors) and 0.4 m (seepage control sensors). Total and marketable fresh weight of broccoli heads, average diameter of marketable heads, height of marketable heads, and total and marketable yield were greatest when the soil water tension at a depth of 0.2 m was 15 kPa, at which the mean values of the evaluated variables were 0.84 kg, 0.76 kg, 20.5 cm, 11.7 cm; 26.5 t ha?1, and 23.7 t ha?1, respectively. Treatments did not significantly affect efficiency of water use or height of marketable heads.

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