• Use winter weeds to improve soil

Use winter weeds to improve soil

  • December 16th, 2014

Winter weeds are a cheap way of improving and adding organic matter to soil. It is costly and difficult to sow a cover crop on the tree row, so let winter weeds do the job for you.

Most weeds support beneficial arbuscular mycorrhizal (AM) fungi, as do most other flowering [...]

  • Managing orchard weeds

Managing orchard weeds

Fruit growers are always looking for better, cheaper ways of controlling vegetation under the trees in their orchards, but, in general, weed control gets more expensive and more complicated.
  • New spray concept proves feasible

New spray concept proves feasible

  • September 1st, 2013

If we had to irrigate orchards by pulling tanks of water down the alleys, would we do it?

We do that now with pesticides and plant growth regulators, hauling loads of water with small amounts of chemicals in them, then blasting the mixtures into the trees.

Only about a year ago, [...]

  • Nothing easy about organic weed control

Nothing easy about organic weed control

  • May 1st, 2013

Research in a newly planted organic vineyard showed just how difficult and labor-intensive weed control is under organic conditions. Not only can weeds and cover crops compete with young vines and reduce growth, but also mechanical means to control weeds can injure the tender trunks.

Dr. Carol Miles, extension specialist [...]

  • Beware of weed resistance

Beware of weed resistance

  • April 15th, 2013

DON’T LET WEEDS
GET AWAY
It’s particularly important to keep up with weed control in a young orchard because the weeds compete with the trees for water, nutrients, and light. It doesn’t take long for a new planting to become dominated by weeds.Weeds are weeds for a reason—they’re very [...]

  • Weed ZAPPER

Weed ZAPPER

  • April 15th, 2013

Engineer Graham Brodie developed the microwave weed-killing machine. Four microwave horn antennae at the back end, each about four inches wide, transmit and direct two kilowatts of microwave energy to the ground.

Kitchen microwave ovens are routinely used to “zap” our food. They can heat leftover pizza or cook dinner [...]

  • Orchard ground covers

Orchard ground covers

  • April 15th, 2013

For 21 years now, Dr. Ian Merwin has tended a 320-tree apple orchard on the eastern shore of Cayuga Lake near Cornell ­University’s Ithaca campus. He’s been studying the long-term effects of four different orchard floor management systems.

A key question is, are there better arrangements than trees in herbicide-treated [...]