نتایج جستجو برای: field crops

تعداد نتایج: 819875  

Journal: :Indian journal of entomology 2023

Insect resistant crop plants form the core component of Integrated Pest Management (IPM) due to their ability reduce losses and associated insecticide costs in addition protecting environment. In this review, various types resistance being cited, mechanisms causal factors responsible with examples were discussed. Traits resistance, genetics inheritance patterns listed. Several sources including...

2014
Erik Alexandersson Dan Jacobson Melané A. Vivier Wolfram Weckwerth Erik Andreasson

The recent advances in gene expression analysis as well as protein and metabolite quantification enable genome-scale capturing of complex biological processes at the molecular level in crop field trials. This opens up new possibilities for understanding the molecular and environmental complexity of field-based systems and thus shedding light on the black box between genotype and environment, wh...

2011
D. W. Franzen

Nitrogen management continues to be diffi cult due to transformations of nitrogen fertilizers that are possible when applied to soil and the uncertainties of weather (Cabrera et al., 2008). Nitrogen (N) fertilizer in the form of urea is subject to ammonia volatilization through the activity of the urease enzyme found ubiquitously in soil (Kissel et al., 2008). Nitrate fertilizer is subject to l...

2004
B. S. Dear

Boron deficiency was first recorded in Australia in the 1930s in apple trees growing in Tasmania and New South Wales. Subsequently the deficiency was found in a wide range of pasture and crop plants. Crops with higher boron requirements such as lucerne, sunflowers, rapeseed, cauliflower and apples are most likely to respond to boron. Pine trees, which are commonly used in tree lots and as windb...

2000
Charles Allan Jones

`Growth and mineral nutrition of ®eld crops' deals with plants that constitute the basic staple food for most of the world population, and with some plants that are important as livestock feed or provide raw material for industrial processes. As stated by the authors in their Preface, the book takes an applied approach, and is supported in great part by experimental results obtained in Brazil, ...

Journal: :Netherlands Journal of Agricultural Science 1962

Journal: :Environment Control in Biology 1993

Journal: :Indian journal of entomology 2023

Insect pests, diseases, nematodes and weeds constitute major biotic stresses in crop production systems inflicting 15 to 25% or more yield losses. Adverse effects of pesticides can be countered through adoption integrated pest management (IPM), which emphasizes harmonious use safer environment friendly methods suppression. IPM works on the premise that all population levels are not injurious cr...

Journal: :Proceedings of the New Zealand Weed Control Conference 1963

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