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All Journal SAINS TANAH - Journal of Soil Science and Agroclimatology
Saad Drissi
National Agricultural school of Meknes, Department of Agronomy and Plant Breeding (ENAM), Meknes, Morocco.
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Effects of Boron Fertilization on Sunflower Grown on Low Boron Sandy Soil Khalid Dhassi; Saad Drissi; Kacem Makroum; Fatimzahra Nasreddine; Fouad Amlal; Abdelhadi Aït Houssa
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 16, No 1 (2019): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (958.721 KB) | DOI: 10.20961/stjssa.v16i1.26114

Abstract

Agronomists evaluate soil boron fertility with the threshold of around 0.5 mg kg-1(hot water extraction). The nonappearance of boron deficiency on sunflower, when grown on low boron sandy soil, was investigated to test the validity of this boron guideline fertility. The soil boron content was around 0.19mg kg-1. Pot experiments were conducted during 2015 season and repeated during 2016 season. Six boron levels were applied to soil: (0, 0.2, 0.5, 1, 5, and 10mg kg-1) in 2015 and (0, 2, 5, 10, 15, and 20mg kg-1) in 2016. Boron was applied as Solubor-C (Na2B8O13.4H2O, 21% of boron). The results revealed that soil boron application did not enhance kernels weight and kernels oil and protein contents. However, boronsupplyhigher than or equal to 1mg kg-1 resulted in visible leaf damage. Also, a significant decrease in kernels weight was recorded at high boron levels (15 and 20 mg kg-1). The kernels boron content did not increase with a successive increase in dose of boron supply. It was sufficient, around 16mg kg-1, for all boron tested amounts. Also, plant content on other nutrients was not affected by boron application. The soil residual boron enrichment was around 0.3 mg kg-1 for each boron application of 2 mg kg-1.
Productivity, quality, and nutrient uptake of intensive forage crop rotations based on corn in sandy soil (northern Morocco) Abdel Aziz Hassane Sidikou; Saad Drissi; Ahmed Bouaziz; Khalid Dhassi; Fouad Amlal; Nassima Darrhal; Ahmed Bamouh; Hicham El Hajli; Zakia Alouatir; Abdelhadi Ait Houssa
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 1 (2023): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i1.64323

Abstract

Intensive dairy farming systems in the sandy soil of northwestern Morocco are based on three successive forage crops per year, including corn. The aim was to evaluate the productivity and the quality of different intensive crop successions based on corn in sandy soil. Three forage crops per year (winter, spring, and summer cropping seasons) were tested according to six successions: 1. fallow-corn-corn, 2. oat-corn-corn, 3. berseem-corn-corn, 4. pea/triticale-corn-corn, 5. oat-soybean-corn, and 6. berseem-corn-soybean. Each succession of crops was evaluated in two years field experiment using a randomized complete block design. Results revealed that oat-corn-corn and pea/triticale-corn-corn successions produced the highest dry biomass (46.5 t ha-1 year-1). The crop succession of berseem-corn-soybean resulted in the lowest biomass (30.8 t ha-1 year-1). The highest net energy for lactation was recorded at oat-corn-corn and pea/triticale-corn-corn successions (303 103 MJ ha-1 year-1). The crop successions based on one corn (oat-soybean-corn and berseem-corn-soybean) recorded the lowest net energy for lactation (195.5 103 MJ ha-1 year-1). The oat-corn-corn, pea/triticale-corn-corn, and oat-soybean-corn successions recorded the highest crude protein values (3.9 t ha-1 year-1). Soil organic matter and the content of soil on total N, P, and Mg were similar for the different crop successions at the end of the experimental years.
Co-Authors Abdel Aziz Hassane Sidikou Abdelhadi Ait Houssa Abdelhadi Aït Houssa Ahmed Bamouh Ahmed Bouaziz Fatimzahra Nasreddine Fouad Amlal Fouad Amlal Hicham El Hajli Kacem Makroum Khalid Dhassi Khalid Dhassi Nassima Darrhal Zakia Alouatir