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- Mampijoro ny zavamaniry

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1 - Mampijoro ny zavamaniry
FIANAN’NY ZAVAMANIRY TAHO - Mampijoro ny zavamaniry RAVINA - Mazava : Vokatry ny asan’ny fahamaintso dia manadio rivotra - Mitatitra ny ranon – kazo manerana ny tenan’ny zavamaniry - Haizina : Miaina ny zavamaniry FAKA : - Mitroka ny rano sy ny sira mineraly sakafon’ny zavamaniry - Mampijoro ny zavamaniry eo ambonin’ny tany

2 FILÀN’NY ZAVAMANIRY Singa mpamorona ny tenan’ny zavamaniry
Ireo zavatra rehetra mandrafitra ny tenan’ny zavamaniry ka manana anjara asa voafaritra mazava tsara, no manjary ho filàny, ka antsoina hoe « sakafony » Singa mpamorona ny tenan’ny zavamaniry Zavamaniry Rano Raha maina Raha mineraly Raha organika Mineraly vaventy : N – P – K - Ca – Mg - S Mineraly madinika: Bo – Mo – Cu – Zn – Mn

3 KARAZANA Ny karazana no mamaritra ny endrika sy ny toetrany ary ny filàny zavamaniry anakiray, izay nolovainy tamin’ny razany (tarazo).

4 Fahalovan’ny vato fototra
TANY FAMBOLENA Singa mineraly fikikisan’ny rivotra fikikisan’ny rano Fahalovan’ny vato fototra Vato sy vatokely (> 2 mm) fasika (0,05 - 2mm) dilatra (limon) (0, ,05 mm) tanimanga (< 0, 002 mm) Mineral Particles Soil consists of mineral particles, organic matter and pores. Mineral particles originate from subsoil and rock, which gets crushed to smaller and smaller pieces through physical and chemical weathering processes. The mineral soil particles are divided into four groups according to their size: - Gravel and stones: particles larger than 2 millimetres - Sand: particles from 0.05 to 2 millimetres; they can be felt between the fingers - Silt: particles from to 0.05 millimetres - Clay: particles smaller than millimetres The difference between sand, silt and clay is not visible to the naked eye. Still it is important to distinguish between them, as the properties of the soil is very much dependent on the composition of the different particle sizes. Soils having equal amounts of clay, silt and sand are ideal for agricultural use. Such a soil is called loam. Mineral particles contain nutrients which are slowly released in the process of weathering. Plant roots and some micro-organisms can actively dissolve nutrients from mineral particles and use them for their growth. The plants need minerals to build up organic matter and for physiological processes.

5 Akora azo vokatry ny fahalovan’ny zavamananaina
TANY FAMBOLENA Singa Organika Hafanana Akora azo vokatry ny fahalovan’ny zavamananaina Rivotra Hamandoana Mineral Particles Soil consists of mineral particles, organic matter and pores. Mineral particles originate from subsoil and rock, which gets crushed to smaller and smaller pieces through physical and chemical weathering processes. The mineral soil particles are divided into four groups according to their size: - Gravel and stones: particles larger than 2 millimetres - Sand: particles from 0.05 to 2 millimetres; they can be felt between the fingers - Silt: particles from to 0.05 millimetres - Clay: particles smaller than millimetres The difference between sand, silt and clay is not visible to the naked eye. Still it is important to distinguish between them, as the properties of the soil is very much dependent on the composition of the different particle sizes. Soils having equal amounts of clay, silt and sand are ideal for agricultural use. Such a soil is called loam. Mineral particles contain nutrients which are slowly released in the process of weathering. Plant roots and some micro-organisms can actively dissolve nutrients from mineral particles and use them for their growth. The plants need minerals to build up organic matter and for physiological processes.

6 Zavamananaina kitika hita maso na tsia
TANY FAMBOLENA Zavamananaina kitika Hafanana Zavamananaina kitika hita maso na tsia Rivotra Hamandoana Mineral Particles Soil consists of mineral particles, organic matter and pores. Mineral particles originate from subsoil and rock, which gets crushed to smaller and smaller pieces through physical and chemical weathering processes. The mineral soil particles are divided into four groups according to their size: - Gravel and stones: particles larger than 2 millimetres - Sand: particles from 0.05 to 2 millimetres; they can be felt between the fingers - Silt: particles from to 0.05 millimetres - Clay: particles smaller than millimetres The difference between sand, silt and clay is not visible to the naked eye. Still it is important to distinguish between them, as the properties of the soil is very much dependent on the composition of the different particle sizes. Soils having equal amounts of clay, silt and sand are ideal for agricultural use. Such a soil is called loam. Mineral particles contain nutrients which are slowly released in the process of weathering. Plant roots and some micro-organisms can actively dissolve nutrients from mineral particles and use them for their growth. The plants need minerals to build up organic matter and for physiological processes.

7 Zavamananaina kitika kely hita maso na tsia (biby na zavamaniry)
TANY FAMBOLENA Firafitry ny tany Tany maivana tsy mifatratra Tany mavesatra :tsy tatera - drano Toetra ny arakaraky ny firafiny : misy nofo-tany malemy ahafahan’ny fivezivezen’ny rivotra sy rano , Tany ahafahan’ny faka misandrahaka tsara Hafanana Zavamananaina kitika kely hita maso na tsia (biby na zavamaniry) Rivotra Hamandoana Mineral Particles Soil consists of mineral particles, organic matter and pores. Mineral particles originate from subsoil and rock, which gets crushed to smaller and smaller pieces through physical and chemical weathering processes. The mineral soil particles are divided into four groups according to their size: - Gravel and stones: particles larger than 2 millimetres - Sand: particles from 0.05 to 2 millimetres; they can be felt between the fingers - Silt: particles from to 0.05 millimetres - Clay: particles smaller than millimetres The difference between sand, silt and clay is not visible to the naked eye. Still it is important to distinguish between them, as the properties of the soil is very much dependent on the composition of the different particle sizes. Soils having equal amounts of clay, silt and sand are ideal for agricultural use. Such a soil is called loam. Mineral particles contain nutrients which are slowly released in the process of weathering. Plant roots and some micro-organisms can actively dissolve nutrients from mineral particles and use them for their growth. The plants need minerals to build up organic matter and for physiological processes.

8 Zavamananaina kitika kely hita maso na tsia (biby na zavamaniry)
TANY FAMBOLENA Fanasokajiana ny tany - Arakaraky ny lokony : tany mena , tany mainty, tany aboka, … - Tany manta : Maniry Bararata na bozaka Hafanana Zavamananaina kitika kely hita maso na tsia (biby na zavamaniry) - Arakaraky ny akora fototra mamorana azy : Tany maivana, tany mavesatra, Baiboha, … Rivotra - Tany be rano : Maniry Viha, Longoza, Hamandoana Mineral Particles Soil consists of mineral particles, organic matter and pores. Mineral particles originate from subsoil and rock, which gets crushed to smaller and smaller pieces through physical and chemical weathering processes. The mineral soil particles are divided into four groups according to their size: - Gravel and stones: particles larger than 2 millimetres - Sand: particles from 0.05 to 2 millimetres; they can be felt between the fingers - Silt: particles from to 0.05 millimetres - Clay: particles smaller than millimetres The difference between sand, silt and clay is not visible to the naked eye. Still it is important to distinguish between them, as the properties of the soil is very much dependent on the composition of the different particle sizes. Soils having equal amounts of clay, silt and sand are ideal for agricultural use. Such a soil is called loam. Mineral particles contain nutrients which are slowly released in the process of weathering. Plant roots and some micro-organisms can actively dissolve nutrients from mineral particles and use them for their growth. The plants need minerals to build up organic matter and for physiological processes.

9 TANY FAMBOLENA Tany lonaka Ahitana Bibikely Miloko matroka Lali – nofo
Malemy Ahitana Bibikely Miloko matroka Mineral Particles Soil consists of mineral particles, organic matter and pores. Mineral particles originate from subsoil and rock, which gets crushed to smaller and smaller pieces through physical and chemical weathering processes. The mineral soil particles are divided into four groups according to their size: - Gravel and stones: particles larger than 2 millimetres - Sand: particles from 0.05 to 2 millimetres; they can be felt between the fingers - Silt: particles from to 0.05 millimetres - Clay: particles smaller than millimetres The difference between sand, silt and clay is not visible to the naked eye. Still it is important to distinguish between them, as the properties of the soil is very much dependent on the composition of the different particle sizes. Soils having equal amounts of clay, silt and sand are ideal for agricultural use. Such a soil is called loam. Mineral particles contain nutrients which are slowly released in the process of weathering. Plant roots and some micro-organisms can actively dissolve nutrients from mineral particles and use them for their growth. The plants need minerals to build up organic matter and for physiological processes.

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