Jensen eric allen (24 résultats)

Paperback. Etat : Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Etat : New.

Etat : As New. Unread book in perfect condition.

Etat : New.

Etat : As New. Unread book in perfect condition.

Paperback. Etat : New. This collection features four peer-reviewed reviews on intercropping.The first chapter summarises data from over 50 field experiments undertaken since 2001 on cereal-grain legume intercropping using spring and winter cereal-grain legume intercrops. The chapter addresses the effects of intercropping on yields and quality, the agronomical performance of intercropping and cultivation practices in intercropping.The second chapter reviews the existing evidence on systems productivity, resource capture and use efficiency, between intercrops and sole crops for maize-legume-dominated cropping systems. The chapter also considers intercropping under different conditions, including those with heightened or reduced levels of moisture and nitrogen.The third chapter considers the effects of crop rotation and intercropping management practices on soil health, focussing on their impact on crop productivity, soil health enhancement and stability. The chapter also highlights the importance of leguminous crops and soil organic matter in maintaining healthy soils, sustaining crop productivity and enhancing biodiversity.The final chapter provides an overview of the economic and ecological benefits, challenges and major considerations of implementing alley cropping systems within North America. A case study detailing the performance evaluation of a pecan-cotton alley cropping system is also included.…

Etat : good. May show signs of wear, highlighting, writing, and previous use. This item may be a former library book with typical markings. No guarantee on products that contain supplements Your satisfaction is 100% guaranteed. Twenty-five year bookseller with shipments to over fifty million happy customers.…

Etat : New. In English.

Etat : Very Good. Second edition hard back binding in publisher's original midnight blue cloth covers, gilt title and author lettering to the spine. 8vo. 8'' x 5½''. Contains 338 printed pages of text. Shallow rubs to the softened spine ends and corners. Very Good condition book in Good condition period art work dust wrapper with two 15 mm pieces of paper missing from the top and foot of the spine, chips to the edges and corners with related crease lines, not price clipped 15/-. Dust wrapper supplied in archive acetate film protection, it does not adhere to the book or to the dust wrapper. Member of the P.B.F.A. AVIATION & AERONAUTICS.…

Etat : good. May show signs of wear, highlighting, writing, and previous use. This item may be a former library book with typical markings. No guarantee on products that contain supplements Your satisfaction is 100% guaranteed. Twenty-five year bookseller with shipments to over fifty million happy customers.…

Hardcover. Etat : Brand New. 250 pages. 9.25x6.25x1.00 inches. In Stock.

Etat : As New. Unread book in perfect condition.

Etat : New.

Paperback. Etat : New. This collection features four peer-reviewed reviews on intercropping.The first chapter summarises data from over 50 field experiments undertaken since 2001 on cereal-grain legume intercropping using spring and winter cereal-grain legume intercrops. The chapter addresses the effects of intercropping on yields and quality, the agronomical performance of intercropping and cultivation practices in intercropping.The second chapter reviews the existing evidence on systems productivity, resource capture and use efficiency, between intercrops and sole crops for maize-legume-dominated cropping systems. The chapter also considers intercropping under different conditions, including those with heightened or reduced levels of moisture and nitrogen.The third chapter considers the effects of crop rotation and intercropping management practices on soil health, focussing on their impact on crop productivity, soil health enhancement and stability. The chapter also highlights the importance of leguminous crops and soil organic matter in maintaining healthy soils, sustaining crop productivity and enhancing biodiversity.The final chapter provides an overview of the economic and ecological benefits, challenges and major considerations of implementing alley cropping systems within North America. A case study detailing the performance evaluation of a pecan-cotton alley cropping system is also included.…

Etat : As New. Unread book in perfect condition.

Etat : New.

Etat : New.

Etat : New.

Etat : As New. Unread book in perfect condition.

Etat : As New. Unread book in perfect condition.

Hardcover. Etat : Brand New. 250 pages. 9.25x6.25x1.00 inches. In Stock. This item is printed on demand.

Etat : New. Print on Demand.

Etat : New. Print on Demand.

Etat : New. PRINT ON DEMAND.