Every clove you have ever dropped into a curry was a flower bud that someone picked before it opened. That is the whole crop. Not a fruit, not a seed, not a leaf. Clove is the dried, unopened bud of…
Most growers hear “nutmeg” and picture a spice rack, not a tree that needs watering decisions. But drip irrigation for nutmeg is a real problem with real money behind it, because this is the only crop I can think of…
Vanilla is the second most expensive spice on earth, behind only saffron, and drip irrigation for vanilla is one of the few cases in farming where the irrigation system is the cheapest line item on the property. Every single pod…
Cardamom is the third most expensive spice on the planet, behind only saffron and vanilla. Green pods from the Western Ghats of India or the cloud forests of Guatemala sell for anywhere from $8 to $30 a kilogram depending on…
Black pepper is a crop where the two pieces of standard advice point in opposite directions. Keep the soil wet, because a dry vine sheds its flowering spikes before they ever set a berry. Keep it dry, because a vine…
Cocoa is the biggest rainfed tree crop on earth that really shouldn’t be. Roughly 5.8 million tonnes of beans a year come from Theobroma cacao, and about 60 percent of it grows in two countries, Côte d’Ivoire and Ghana, where…
Tea is the wrong crop to treat like wheat. A wheat field has one grain-fill window and then it’s done. A tea bush is harvested every seven to fifteen days, all season, for forty years or more. The “yield” is…
Rice is the one crop where “how much water” stops being an engineering question and turns into a planet-scale number. Roughly 800 million tonnes of paddy come off the world’s fields every year, and almost all of it grows standing…
Sugarcane is the biggest crop on the planet by weight, pushing 1.9 billion tonnes a year, and one of the thirstiest. FAO pegs its seasonal water need at 1,500 to 2,500 mm, roughly double what wheat wants. Most of that…
Longan is a fruit that turns water into money. It is a tropical tree in the soapberry family, a close cousin of lychee and rambutan, and its thin-shelled “dragon’s eye” fruit sells at a real premium when you can bring…
