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pyrethrum

Answered from our own 538-crop reference and 24,425 guides. No figure is invented — every number traces to that reference, and every passage below is quoted from a guide published here.

From our crop reference

Pyrethrum is a plantation crop, a perennial. Sow it in Sep–Oct and expect to harvest in 2–3 years. It wants a pH of 5.5–7.0 (slightly acid) and 10–22°C. Plant at 45 × 30 cm. A good crop returns around 0.8–1.5 t. Watch for aphid, root rot.

Growing Pyrethrum

3 sentences from our guides, quoted exactly

Natural and Biological Pesticides Natural pesticides, such as nicotine, neem, and pyrethrum, offer safer alternatives to synthetic chemicals.
Pesticides in Landscaping: A Guide to Effective and Responsible Use
Monitor regularly; use neem or pyrethrum-based sprays for small infestations.
Growing Colocasia in Uttarakhand: Practical Farming Guide
Use neem-based or pyrethrum sprays for minor insect outbreaks rather than broad-spectrum pesticides.
Asafoetida (Hing) in Maharashtra: Practical Cultivation Guide

Found by keyword match. Nothing above was generated — every sentence is quoted from a published guide, and every figure comes from the 538-crop reference.

Crop intelligence

Going in during September

Sowing windows open right now, from the crop reference.

Crop Sow Days pH Temp °C Yield
Angelica Sep–Oct 2 yr 6.0–7.0 10–22 8–12 t
Pyrethrum Sep–Oct 2–3 yr 5.5–7.0 10–22 0.8–1.5 t
Tagasaste Sep–Oct 2–4 yr 5.5–7.5 5–28 10–18 t green
Oil Palm Jun–Sep (planting) 3–4 yr to bear 5.0–7.0 24–32 20–25 t FFB
Pepino Sep–Oct 4–6 mo 6.0–7.0 15–25 25–40 t
Asafoetida (Hing) Sep–Oct 4–5 yr 6.5–7.5 10–25 0.05–0.1 t
Litchi Jun–Sep (planting) 5–7 yr to bear 5.5–7.0 20–35 8–12 t
Alstroemeria Sep–Oct 10–12 mo 6.0–6.8 13–22 100–150 stems/m²
Anthurium Year-round 12–18 mo to bear 5.5–6.5 18–28 6–8 blooms/plant
Paddy Straw Mushroom Jun–Sep 12–18 6.5–7.5 28–35 100–150 kg/t
Orchid Year-round 18–24 mo to bear 5.5–6.5 20–30 4–6 spikes/plant
Oyster Mushroom Any 25–35 5.5–6.5 20–30 500–700 kg/t
Amaranth (Leafy) Feb–Sep 30–45 6.0–7.5 22–32 10–15 t
Arugula Sep–Nov 30–45 6.0–7.0 10–22 8–12 t

90 more in this list. All 538 crops, with every column → The sowing year →

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