1"use strict";(self.webpackChunkNioLandReact=self.webpackChunkNioLandReact||[]).push([[5788],{5788:(e,t,s)=>{s.r(t),s.d(t,{default:()=>j});s(5043);var o=s(5475),i=s(3519),a=s(1072),r=s(8602),n=s(3107),l=s(7497),h=s(579);const c="'Inter', sans-serif",d="#28a745",m="gap77-banana-not-eucalyptus",p="Why GAP77 mulches with banana leaves, not eucalyptus.",f="Mulching is essential on a coffee farm. The cheapest mulch material in East Africa is eucalyptus leaves raked in from the surrounding forests \u2014 and it is also the worst, because eucalyptus debris progressively acidifies the soil it covers. GAP77 mulches with banana leaves from intercropped banana plants instead.",u="COFFEE RESEARCH",y="25 APRIL 2026",g="2026-04-25",w={fontFamily:c,fontWeight:700,fontSize:"clamp(1.5rem, 2.4vw, 1.9rem)",letterSpacing:"-0.015em",color:"#000",marginTop:"2.5rem",marginBottom:"1rem"},x={fontFamily:c,fontWeight:400,fontSize:"1.1rem",lineHeight:1.7,color:"#222",marginBottom:"1.1rem"},b={color:d,textDecoration:"underline",textDecorationThickness:"1px",textUnderlineOffset:"3px"};const j=function(){const e={"@context":"https://schema.org","@type":"BlogPosting",headline:p,description:f,datePublished:g,dateModified:g,url:`https://www.weathersafe.co.uk/blog/${m}`,author:{"@type":"Organization",name:"Weathersafe",url:"https://www.weathersafe.co.uk"},publisher:{"@type":"Organization",name:"Weathersafe",url:"https://www.weathersafe.co.uk"},mainEntityOfPage:`https://www.weathersafe.co.uk/blog/${m}`,articleSection:u};return(0,h.jsxs)(n.A,{title:`${p} \u2014 Weathersafe`,description:f,canonical:`https://www.weathersafe.co.uk/blog/${m}`,ogType:"article",jsonLd:e,children:[(0,h.jsx)("section",{style:{paddingTop:"8rem",paddingBottom:"4rem"},children:(0,h.jsx)(i.A,{children:(0,h.jsx)(a.A,{className:"justify-content-center",children:(0,h.jsxs)(r.A,{lg:"8",children:[(0,h.jsx)(o.N_,{to:"/blog",style:{fontFamily:c,fontWeight:600,fontSize:"0.85rem",color:d,textDecoration:"none",letterSpacing:"0.04em"},children:"\u2190 Blog"}),(0,h.jsxs)("div",{style:{display:"flex",alignItems:"center",gap:"0.85rem",marginTop:"2rem",marginBottom:"1rem"},children:[(0,h.jsx)("span",{style:{fontFamily:c,fontWeight:600,fontSize:"0.75rem",letterSpacing:"0.06em",color:d,background:"rgba(40,167,69,0.1)",borderRadius:"999px",padding:"0.35rem 0.9rem"},children:u}),(0,h.jsx)("span",{style:{fontFamily:c,fontWeight:500,fontSize:"0.85rem",letterSpacing:"0.04em",color:"#888"},children:y})]}),(0,h.jsx)("h1",{style:{fontFamily:c,fontWeight:800,fontSize:"clamp(2.4rem, 5vw, 3.8rem)",lineHeight:1.1,letterSpacing:"-0.03em",color:"#000",marginBottom:"1.5rem"},children:p}),(0,h.jsx)("p",{style:{fontFamily:c,fontWeight:400,fontSize:"1.25rem",lineHeight:1.55,color:"#555",marginBottom:0},children:f})]})})})}),(0,h.jsx)("section",{style:{paddingBottom:"5rem"},children:(0,h.jsx)(i.A,{children:(0,h.jsx)(a.A,{className:"justify-content-center",children:(0,h.jsxs)(r.A,{lg:"8",children:[(0,h.jsx)("p",{style:x,children:"Mulching is essential on a coffee farm. Without it, soils dry out between the rains, weeds compete with the young trees, and heavy rainfall compacts the topsoil before the roots can use it. The cheapest mulch material in East Africa is eucalyptus leaves, raked in from the surrounding forests. GAP77 mulches with banana leaves instead \u2014 produced on the same farm by banana plants intercropped between the coffee trees."}),(0,h.jsx)("p",{style:{...x,fontWeight:700,color:"#000"},children:"The mulch source is also a soil decision."}),(0,h.jsx)("h2",{style:w,children:"What mulching actually does"}),(0,h.jsx)("p",{style:x,children:"Mulch on a coffee field does four things: it slows evaporation in the heat, it suppresses weed competition during the early growth window, it cushions the soil against the impact of heavy rainfall, and it adds organic matter to the topsoil as it decomposes. Without mulch, the same farm needs more irrigation, more weeding, more erosion repair and more fertiliser applied to the same soil \u2014 for the same cherry yield."}),(0,h.jsx)("p",{style:x,children:"That is why mulching is non-negotiable in GAP77. The question is what to mulch with."}),(0,h.jsx)("h2",{style:w,children:"Why eucalyptus leaves are the wrong mulch"}),(0,h.jsx)("p",{style:x,children:"Eucalyptus debris is acidic. As eucalyptus leaves decompose under coffee trees, they progressively lower the soil pH below the 5.5\u20136.5 band where coffee absorbs nitrogen, phosphorus and potassium efficiently. Across Weathersafe's soil sampling in Kenya and Rwanda since 2013, fields mulched with eucalyptus routinely return pH readings outside the band where applied fertiliser does any work."}),(0,h.jsx)("p",{style:x,children:"Eucalyptus mulch is the soil equivalent of fertilising with vinegar \u2014 the material lands on the field, but the longer it sits, the harder it is for the tree to feed itself. An unmulched field outperforms a eucalyptus-mulched field over a few seasons. The acidified soil costs more than the missing mulch."}),(0,h.jsx)("h2",{style:w,children:"Why banana intercropping is the better mulch source"}),(0,h.jsx)("p",{style:x,children:"Banana sits between the coffee trees at 3-metre spacing. Its leaves are alkaline and rich in potassium. As the farmer prunes the older yellowing or damaged leaves and lays them under the coffee \u2014 or as they fall on their own \u2014 they decompose into mulch that lifts the soil rather than acidifying it. The banana plant produces a continuous mulch supply throughout the year, on the farm, without any leaves needing to be gathered from a forest."}),(0,h.jsxs)("p",{style:x,children:["The same intercrop produces three other things at once: shade for the coffee through the hot months, a root system that holds the soil during heavy rain (the same erosion-control work the ",(0,h.jsx)(o.N_,{to:"/blog/fishbone-system-coffee-water",style:b,children:"Fishbone System"})," does at landscape scale), and fruit in year one \u2014 a cash income for the farmer while the coffee trees take three years to start producing."]}),(0,h.jsx)("p",{style:{...x,fontWeight:700,color:"#000"},children:"Eucalyptus debris takes from the soil. Banana debris adds to it."}),(0,h.jsx)("h2",{style:w,children:"The closed loop a banana intercrop enables"}),(0,h.jsx)("p",{style:x,children:"What makes banana intercropping interesting agronomically is that almost every part of the plant has a downstream use. The yellowing leaves and the husk become the farm's mulch supply. The pendulum \u2014 the flower stalk \u2014 is fed to Cali Redworm vermicomposting beds at the washing station, where it becomes worm castings that go back to the coffee transplant pits as Tera Preta 2.0. The fruit is cash income for the household."}),(0,h.jsx)("p",{style:x,children:"A coffee field intercropped with banana has its mulch, its shade, its erosion control, its supplementary income and a feedstock for the soil amendment that goes into next year's transplants \u2014 all from one planting decision."}),(0,h.jsx)("h2",{style:w,children:"Why this matters for the cherry that ends up in the buyer's cup"}),(0,h.jsx)("p",{style:x,children:"Soil pH determines whether a coffee tree can absorb the nitrogen in fertiliser. Below the right band, the same kilogram of NPK applied does less work \u2014 and the farmer pays for nutrient that the tree cannot use. Yield drops. Cherry size drops. Cup quality drops with it."}),(0,h.jsx)("p",{style:x,children:"Both eucalyptus and banana keep the soil covered. One keeps it productive."}),(0,h.jsxs)("p",{style:x,children:["This is one of the practice decisions in ",(0,h.jsx)(o.N_,{to:"/about-gap-77",style:b,children:"GAP77"}),". Others \u2014 tree density, the Fishbone System, the post-rain harvest window \u2014 are covered separately. ",(0,h.jsx)(o.N_,{to:"/blog/the-coffee-yield-gap",style:b,children:"Why coffee farms produce 8% of what they could"})," sets out the broader yield-gap frame these practices address. The ",(0,h.jsx)(o.N_,{to:"/methodology",style:b,children:"methodology"})," walks through how the practice layer beneath the satellite, weather and ground-scouting work was built."]})]})})})}),(0,h.jsx)(l.Cu,{className:"py-10 py-lg-90",style:{borderTop:"1px solid #f0f
10f0",borderBottom:"1px solid #f0f0f0"},children:(0,h.jsx)(l.Cu.Content,{children:(0,h.jsx)(i.A,{children:(0,h.jsxs)(a.A,{className:"align-items-start",children:[(0,h.jsxs)(r.A,{lg:"5",style:{marginTop:"-0.75rem"},children:[(0,h.jsxs)("h2",{style:{fontFamily:c,fontWeight:800,fontSize:"clamp(2.2rem, 4vw, 3.5rem)",letterSpacing:"-0.03em",lineHeight:1.05,color:"#000",marginBottom:"2rem"},children:["Both keep the",(0,h.jsx)("br",{}),"soil covered."]}),(0,h.jsxs)("div",{style:{display:"flex",gap:"1rem",flexWrap:"wrap"},children:[(0,h.jsx)(o.N_,{to:"/contact-us-solution",style:{fontFamily:c,fontWeight:600,fontSize:"0.95rem",color:"#fff",background:d,borderRadius:"6px",padding:"0.75rem 1.75rem",textDecoration:"none"},children:"Talk to us"}),(0,h.jsx)(o.N_,{to:"/methodology",style:{fontFamily:c,fontWeight:600,fontSize:"0.95rem",color:"#000",background:"#fff",border:"1px solid #d0d0d0",borderRadius:"6px",padding:"0.75rem 1.75rem",textDecoration:"none"},children:"Read the methodology"})]})]}),(0,h.jsx)(r.A,{lg:"5",className:"offset-lg-2",children:(0,h.jsx)("p",{style:{fontFamily:c,fontWeight:400,fontSize:"1.55rem",lineHeight:1.4,color:"#333",marginBottom:0},children:"One keeps it productive."})})]})})})})]})}}}]); 2//# sourceMappingURL=5788.1d35cf23.chunk.js.map
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